CN209448008U - Dual-frequency dual-mode microstrip patch antenna based on mushroom structure - Google Patents
Dual-frequency dual-mode microstrip patch antenna based on mushroom structure Download PDFInfo
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- CN209448008U CN209448008U CN201920092767.XU CN201920092767U CN209448008U CN 209448008 U CN209448008 U CN 209448008U CN 201920092767 U CN201920092767 U CN 201920092767U CN 209448008 U CN209448008 U CN 209448008U
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- 235000001674 Agaricus brunnescens Nutrition 0.000 title claims abstract description 117
- 239000002184 metal Substances 0.000 claims abstract description 118
- 229910052751 metal Inorganic materials 0.000 claims abstract description 118
- 239000000758 substrate Substances 0.000 claims abstract description 69
- 230000000737 periodic effect Effects 0.000 claims abstract description 23
- 230000009977 dual effect Effects 0.000 claims description 30
- 230000001413 cellular effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 23
- 238000010586 diagram Methods 0.000 abstract description 8
- 238000004891 communication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a dual-frenquency bimodulus microstrip patch antenna based on mushroom structure. The antenna comprises a feed microstrip, a lower-layer dielectric substrate, a metal layer and an upper-layer mushroom metal structure loading dielectric substrate which are stacked from bottom to top, wherein a periodic mushroom unit resonance structure array and metal walls on two sides are arranged in the upper-layer mushroom metal structure loading dielectric substrate, and each mushroom unit resonance structure in the mushroom unit resonance structure array consists of 1 metal cylinder and 1 rectangular metal patch; the center of the metal layer is provided with a rectangular gap. The utility model has the advantages of dual-frenquency bimodulus radiation characteristic has increased the radiation performance of antenna end fire mode on the basis of traditional limit fire mode, has realized the two-way radiation characteristic of antenna end fire mode to double-frenquency bimodulus function has been realized, and has simple structure, low section, the selective advantage of directional diagram.
Description
Technical field
The utility model relates to dual-band dual mode microstrip antenna technical fields, especially a kind of to be loaded based on mushroom structure
Dual-band dual mode micro-strip paster antenna.
Background technique
With the arrival in 5G epoch, the rapid development of intelligent ecological system, large number of equipment by wireless network and terminal into
Row information exchange, therefore more stringent requirements are proposed to wireless communication system.Antenna in conventional terminal equipment is no longer able to satisfy
The actual needs of new communication system, it is large capacity, multi-functional and integrated have become its development trend.This requires antennas cannot
It is confined to traditional single working frequency range and operating mode again, the communication service of various occasions requires mobile whole at one simultaneously
It holds to carry out information exchange, highly integrated integrated multi-functional antenna becomes following development trend.Traditional microstrip antenna
Working frequency range is more single with radiation mode, is not able to satisfy multi-functional actual demand, and therefore, multi-frequency multi-mode microstrip antenna is met the tendency of
And it gives birth to.Multi-frequency multi-mode antenna, the antenna for being exactly brought together multiple working frequency range, radiation mode or even polarization mode,
The integrated level for improving antenna keeps terminal more compact, is convenient for integra-tion application.
For manual electromagnetic structure to realize that the multi-frequency multi-mode characteristic of microstrip antenna provides new thinking, manual electromagnetic structure is more
Frequency multimode antenna was increasingly becoming one of the research hotspot of antenna industry in recent years.Coaxial single feedback based on manual electromagnetic structure is more
Frequency multimode multi-polarization antenna is compared to traditional antenna for having single multifrequency, multimode or multipolarization function, and theoretical system is more
Add kind, design method is simpler, and has the characteristics that low section, directional diagram be alternative and polarization diversity.It is existing
In paster antenna, mushroom structural unit or periodic unit can be also used, the different mode of antenna generally has list simultaneously
To radiation or omni-directional mode, or even it can be realized the characteristic that different mode is respectively provided with linear polarization and circular polarisation.However, at present
Manual electromagnetic structure Multi-Function Antenna, at the same there is side to penetrate there is not been reported with the dual-band dual mode scheme of endfire mode.
Utility model content
The purpose of this utility model is to provide it is a kind of simultaneously have side penetrate with end-fire radiation mode characteristic based on
The dual-band dual mode micro-strip paster antenna of mushroom structure.
Realize the technical solution of the utility model aim are as follows: a kind of dual-band dual mode micro-strip based on mushroom structure
Paster antenna, including fed microstrip, layer dielectric substrate, metal layer and the upper layer mushroom metal being stacked from top to bottom
Structure loaded medium substrate；The metal layer center is equipped with rectangular aperture；
The mushroom that 4 × 4 periodic arrangements are provided in the upper layer mushroom metal structure loaded medium substrate is mono-
First resonance structure array, each mushroom unit resonance structure includes 1 metal in mushroom unit resonance structure array
Cylinder and 1 rectangular metal patch, the rectangular metal patch of 4 × 4 periodic arrangements are located at the load of upper layer mushroom metal structure
Dielectric substrate upper surface forms mushroom metal patch periodic array；The upper layer mushroom metal structure loaded medium
Two of the mushroom unit resonance structure of periodic arrangement non-radiant edged are provided with metal wall in substrate.
Further, the layer dielectric substrate and upper layer mushroom metal structure loaded medium substrate shape are square
Shape, size are identical.
Further, the layer dielectric substrate and upper layer mushroom metal structure loaded medium substrate are using identical
Material, dielectric substrate thickness is identical.
Further, the radius of the metal cylinder is 0.3mm, a length of 5mm, the width 5mm of the rectangular metal patch.
Further, the metal wall, the metal wall cylinder that every row's metal wall is equidistantly arranged by 16 form, metal
The radius of wall cylinder is 0.5mm, and the spacing of adjacent metal wall cylinder is 1.5mm.
Further, the rectangular aperture, a length of 16mm, width 1.5mm.
Further, in the upper layer mushroom metal structure loaded medium substrate mushroom cellular construction spacing
For 5.5mm；By the spacing of adjusting mushroom cellular construction, the dispersion curve of mushroom structural unit can be changed, into
And adjust the working frequency points of side emission mode and endfire mode.
Further, the layer dielectric substrate and upper layer mushroom metal structure loaded medium substrate is a length of
40mm, width 30mm.
Further, the thickness of the layer dielectric substrate and upper layer mushroom metal structure loaded medium substrate is equal
For 1mm.
Compared with existing antenna, the utility model has following the utility model has the advantages that (1) is in conventional microsthp patch antennas
On the basis of, mushroom metal patch periodic array is introduced as radiating layer and replaces traditional metal patch, is realized multi-functional
Radiation characteristic；(2) by adjusting the parameter of upper layer mushroom metal structure loaded medium substrate, change mushroom structure list
The dispersion curve of member, and then realize the common activation of side emission mode and endfire mode；(3) have structure simple, directional diagram is more
The advantage of sample.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dual-band dual mode micro-strip paster antenna of the utility model based on mushroom structure.
Fig. 2 is the top view of dual-band dual mode micro-strip paster antenna of the utility model based on mushroom structure.
Fig. 3 is the side view of dual-band dual mode micro-strip paster antenna of the utility model based on mushroom structure.
Fig. 4 is the reflection system of the dual-band dual mode micro-strip paster antenna based on mushroom structure in the utility model embodiment
Number curve figure.
Fig. 5 is the dual-band dual mode micro-strip paster antenna endfire mode based on mushroom structure in the utility model embodiment
Gain curve figure.
Fig. 6 is the dual-band dual mode micro-strip paster antenna side emission mode based on mushroom structure in the utility model embodiment
Gain curve figure.
Fig. 7 is the dual-band dual mode micro-strip paster antenna endfire mode based on mushroom structure in the utility model embodiment
E surface radiation directional diagram.
Fig. 8 is the dual-band dual mode micro-strip paster antenna endfire mode based on mushroom structure in the utility model embodiment
H surface radiation directional diagram.
Fig. 9 is the dual-band dual mode micro-strip paster antenna side emission mode based on mushroom structure in the utility model embodiment
E surface radiation directional diagram.
Figure 10 is that mould is penetrated on the dual-band dual mode micro-strip paster antenna side based on mushroom structure in the utility model embodiment
The H surface radiation directional diagram of formula.
Figure label: 1, fed microstrip；2, layer dielectric substrate；3, intermediate metal layer；4, rectangular aperture；5, upper layer
Mushroom metal structure loaded medium substrate；6, mushroom metal patch periodic array；7, metal cylinder；8, rectangular metal
Patch；9, metal wall.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
In conjunction with Fig. 1, Fig. 2, Fig. 3, dual-band dual mode micro-strip paster antenna of the utility model based on mushroom structure, including
Fed microstrip 1, layer dielectric substrate 2, metal layer 3 and the load of upper layer mushroom metal structure being stacked from top to bottom are situated between
Matter substrate 5；3 center of metal layer is equipped with rectangular aperture 4；
The mushroom that 4 × 4 periodic arrangements are provided in the upper layer mushroom metal structure loaded medium substrate 5 is mono-
First resonance structure array, each mushroom unit resonance structure is by 1 round metal in mushroom unit resonance structure array
Column 7 and 1 rectangular metal patch 8 forms, and the rectangular metal patch 8 of 4 × 4 periodic arrangement is located at upper layer mushroom metal
5 upper surface of structure loaded medium substrate forms mushroom metal patch periodic array 6；The upper layer mushroom metal knot
Two of the mushroom unit resonance structure of periodic arrangement non-radiant edged are provided with metal wall 9 in structure loaded medium substrate 5.
The layer dielectric substrate 2 and the load of upper layer mushroom metal structure are situated between as a preferred implementation manner,
5 shape of matter substrate is rectangle, and size is identical, a length of 40mm, width 30mm.
The layer dielectric substrate 2 and the load of upper layer mushroom metal structure are situated between as a preferred implementation manner,
The dielectric substrate of matter substrate 5 selects identical material, and dielectric substrate thickness is identical, is 1mm.
The radius of the metal cylinder 7 is 0.3mm as a preferred implementation manner,；The rectangular metal patch 8
A length of 5mm, width 5mm.
The metal wall 9 as a preferred implementation manner, the metal that every row's metal wall 9 is equidistantly arranged by 16
Wall cylinder composition, the radius of metal wall cylinder are 0.5mm, and the spacing of metal wall cylinder is 1.5mm.
The rectangular aperture 4 as a preferred implementation manner, a length of 16mm, width 1.5mm.
Mushroom in the upper layer mushroom metal structure loaded medium substrate 5 as a preferred implementation manner,
The spacing of cellular construction is 5.5mm；By adjusting the spacing of mushroom cellular construction, mushroom structural unit can be changed
Dispersion curve, and then adjust side emission mode and endfire mode working frequency points.
By 1 feed-in of fed microstrip, in the crossover location of fed microstrip 1 and rectangular aperture 4 energy coupling occurs for the energy of antenna
It closes, energy is coupled in upper layer mushroom metal structure loaded medium substrate 5 by layer dielectric substrate 2, is then passed through
Mushroom metal patch periodic array 6 is radiate.
As a preferred implementation manner, due to mushroom metal structure loaded medium substrate 5 and mushroom metal
Patch periodic array 6, antenna have dual-band dual mode radiation characteristic, and antenna is in low frequency point, with two-way end-fire radiation mode, and
There is high frequency points unidirectional side to penetrate radiation mode.
The rectangle gold in upper layer mushroom metal structure loaded medium substrate 5 is adjusted as a preferred implementation manner,
Belong to the size of patch 8, the thickness of 7 size of metal cylinder and upper layer mushroom metal structure loaded medium substrate 5, Neng Gougai
Become the dispersion curve of mushroom structural unit, and then regulate and control the working frequency points of bimodulus radiation characteristic, as needed in two mesh
Mark frequency range has motivated side to penetrate the radiated electromagnetic wave with endfire mode respectively.
As a preferred implementation manner, by the way that day can be enhanced in mushroom periodic structure two sides metal-loaded wall
The radiance of line end emission mode, so that two main beams under the endfire mode work of antenna are oriented to the radiating side side of antenna
To realization end-fire bidirectional radiation characteristic.
Further, change mushroom cell spacing, the coupling effect between mushroom unit can be changed, adjust
The resonance frequency of two modes.
Further, the length in gap and the width in gap in rectangular aperture 4, the feed of adjustable antenna are adjusted
Can, Broadband Matching effect is realized, to realize the radiation of electromagnetic wave.
Further, rectangular aperture 4 is arranged in the center of metal layer 3, to realize the symmetrical drive of antenna, is guaranteed
Gain and bandwidth performance.
Further, the width for adjusting fed microstrip 1 can make it meet the input with 50 ohm at the operating frequencies
Impedance operator；The length of fed microstrip 1 is matched according to the working frequency range of antenna.
When Antenna Operation, energy is inputted by fed microstrip, is coupled, is swashed by being located at the rectangular aperture of center of metal layer
Upper layer mushroom metal structure loaded medium substrate is encouraged, Net long wave radiation is generated.Positioned at layer dielectric substrate and upper layer
Metal layer between mushroom metal structure loaded medium substrate constitutes fed microstrip and upper layer mushroom metal structure
Loaded medium substrate is publicly.By loading upper layer mushroom metal structure loaded medium substrate, patch is efficiently controlled
The mode of resonance of antenna.By adjusting mushroom unit resonance structure parameter, the characteristic of antenna dual-band dual mode is realized.
Embodiment 1
In conjunction with Fig. 1, Fig. 2, Fig. 3, a kind of resonance frequency is present embodiments provided respectively in the base of 9.8GHz and 11.95GHz
In the dual-band dual mode micro-strip paster antenna of mushroom structure, including be stacked from top to bottom fed microstrip 1, layer dielectric
Substrate 2, metal layer 3 and upper layer mushroom metal structure loaded medium substrate 5；
3 center of metal layer is equipped with rectangular aperture 4；
The mushroom that 4 × 4 periodic arrangements are provided in the upper layer mushroom metal structure loaded medium substrate 5 is mono-
First resonance structure array, each mushroom unit resonance structure is by 1 round metal in mushroom unit resonance structure array
Column 7 and 1 rectangular metal patch 8 forms, and the rectangular metal patch 8 of 4 × 4 periodic arrangement is located at upper layer mushroom metal
5 upper surface of structure loaded medium substrate forms mushroom metal patch periodic array 6；The upper layer mushroom metal knot
Two of the mushroom unit resonance structure of periodic arrangement non-radiant edged are provided with metal wall 9 in structure loaded medium substrate 5.
Further, the layer dielectric substrate 2 and upper layer mushroom metal structure loaded medium 5 shapes of substrate are equal
For rectangle, size is identical, a length of 40mm, width 30mm.
Further, the medium of the layer dielectric substrate 2 and upper layer mushroom metal structure loaded medium substrate 5
Substrate selects identical material, and dielectric substrate thickness is identical, is 1mm.
Further, the radius of the metal cylinder 7 is 0.3mm；A length of 5mm of the rectangular metal patch 8, width are
5mm。
Further, the metal wall 9, the metal wall cylinder that every row's metal wall 9 is equidistantly arranged by 16 form, gold
The radius for belonging to wall cylinder is 0.5mm, and the spacing of metal wall cylinder is 1.5mm.
Further, the rectangular aperture 4, a length of 16mm, width 1.5mm.
Further, in the upper layer mushroom metal structure loaded medium substrate 5 between mushroom cellular construction
Away from for 5.5mm.
In conjunction with Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10, a kind of resonance frequency of the present embodiment is respectively in 9.8GHz
With the dual-band dual mode micro-strip paster antenna based on mushroom structure of 11.95GHz, low-frequency range, the radiation with two-way end-fire
Mode, gain reach 5dBi or so；In high band, with the radiation mode that unidirectional side is penetrated, gain reaches 10dBi or so；Two
Frequency range cross-polarization performance is good, wherein endfire mode is more than 30dB at maximum direction, side emission mode is more than 40dB.
The utility model provides a kind of Multi-Function Antenna based on mushroom structure, while there is side to penetrate radiation mode
With end-fire radiation mode, the planar structure of antenna is conducive to array design, has potential application in future wireless system
Demand and prospect.
Claims (9)
1. a kind of dual-band dual mode micro-strip paster antenna based on mushroom structure, which is characterized in that including being laminated from top to bottom
Fed microstrip (1), layer dielectric substrate (2), metal layer (3) and the upper layer mushroom metal structure loaded medium substrate of setting
(5)；Metal layer (3) center is equipped with rectangular aperture (4)；
The mushroom unit of 4 × 4 periodic arrangements is provided in the upper layer mushroom metal structure loaded medium substrate (5)
Resonance structure array, each mushroom unit resonance structure includes 1 round metal in mushroom unit resonance structure array
Column (7) and 1 rectangular metal patch (8), the rectangular metal patch (8) of 4 × 4 periodic arrangements are located at upper layer mushroom metal knot
Structure loaded medium substrate (5) upper surface forms mushroom metal patch periodic array (6)；The upper layer mushroom metal
Two of the mushroom unit resonance structure of periodic arrangement non-radiant edged are provided with metal wall in structure loaded medium substrate (5)
(9)。
2. the dual-band dual mode micro-strip paster antenna according to claim 1 based on mushroom structure, which is characterized in that institute
Stating layer dielectric substrate (2) and upper layer mushroom metal structure loaded medium substrate (5) shape is rectangle, and size is identical.
3. the dual-band dual mode micro-strip paster antenna according to claim 1 based on mushroom structure, which is characterized in that institute
The layer dielectric substrate (2) and upper layer mushroom metal structure loaded medium substrate (5) stated use identical material, medium base
Piece thickness is identical.
4. the dual-band dual mode micro-strip paster antenna according to claim 1 based on mushroom structure, which is characterized in that institute
The radius for stating metal cylinder (7) is 0.3mm, a length of 5mm, the width 5mm of the rectangular metal patch (8).
5. the dual-band dual mode micro-strip paster antenna according to claim 1 based on mushroom structure, which is characterized in that institute
The metal wall (9) stated, the metal wall cylinder that every row's metal wall (9) is equidistantly arranged by 16 form, the radius of metal wall cylinder
For 0.5mm, the spacing of adjacent metal wall cylinder is 1.5mm.
6. the dual-band dual mode micro-strip paster antenna according to claim 1 based on mushroom structure, which is characterized in that institute
The rectangular aperture (4) stated, a length of 16mm, width 1.5mm.
7. the dual-band dual mode micro-strip paster antenna according to claim 1 based on mushroom structure, which is characterized in that institute
The spacing for stating mushroom cellular construction in upper layer mushroom metal structure loaded medium substrate (5) is 5.5mm；Pass through adjusting
The spacing of mushroom cellular construction, can change the dispersion curve of mushroom structural unit, so adjust side emission mode and
The working frequency points of endfire mode.
8. the dual-band dual mode micro-strip paster antenna according to claim 2 based on mushroom structure, which is characterized in that institute
State a length of 40mm of layer dielectric substrate (2) and upper layer mushroom metal structure loaded medium substrate (5), width 30mm.
9. the dual-band dual mode micro-strip paster antenna according to claim 3 based on mushroom structure, which is characterized in that institute
The thickness of the layer dielectric substrate (2) and upper layer mushroom metal structure loaded medium substrate (5) stated is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920092767.XU CN209448008U (en) | 2019-01-21 | 2019-01-21 | Dual-frequency dual-mode microstrip patch antenna based on mushroom structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920092767.XU CN209448008U (en) | 2019-01-21 | 2019-01-21 | Dual-frequency dual-mode microstrip patch antenna based on mushroom structure |
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| Publication Number | Publication Date |
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| CN209448008U true CN209448008U (en) | 2019-09-27 |
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| CN201920092767.XU Active CN209448008U (en) | 2019-01-21 | 2019-01-21 | Dual-frequency dual-mode microstrip patch antenna based on mushroom structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629391A (en) * | 2021-07-15 | 2021-11-09 | 北京交通大学 | Novel low-profile patch antenna |
| CN114759352A (en) * | 2022-04-25 | 2022-07-15 | 中国人民解放军陆军工程大学 | Planar microstrip patch antenna with reconfigurable edge-fire end-fire |
-
2019
- 2019-01-21 CN CN201920092767.XU patent/CN209448008U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629391A (en) * | 2021-07-15 | 2021-11-09 | 北京交通大学 | Novel low-profile patch antenna |
| CN114759352A (en) * | 2022-04-25 | 2022-07-15 | 中国人民解放军陆军工程大学 | Planar microstrip patch antenna with reconfigurable edge-fire end-fire |
| CN114759352B (en) * | 2022-04-25 | 2023-08-11 | 中国人民解放军陆军工程大学 | Planar microstrip patch antenna with edge-emitting end-emitting reconfiguration |
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