CN109687131A - A kind of stacked microstrip antenna of broadband dual-frequency - Google Patents
A kind of stacked microstrip antenna of broadband dual-frequency Download PDFInfo
- Publication number
- CN109687131A CN109687131A CN201811605015.5A CN201811605015A CN109687131A CN 109687131 A CN109687131 A CN 109687131A CN 201811605015 A CN201811605015 A CN 201811605015A CN 109687131 A CN109687131 A CN 109687131A
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- Prior art keywords
- radiation patch
- driving
- parasitic
- microstrip antenna
- parasitic radiation
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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
- 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
- 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
-
- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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Abstract
The present invention provides a kind of stacked microstrip antennas of broadband dual-frequency, including what is stacked gradually from top to bottom: upper layer medium substrate, middle layer medium substrate and layer dielectric substrate；The upper surface of upper layer medium substrate is provided with the first parasitic radiation patch and the second parasitic radiation patch, the upper surface of layer dielectric substrate is provided with the first driving radiation patch and the second driving radiation patch, first parasitic radiation patch and the central point of the first driving radiation patch are on same vertical line, and the central point of the second parasitic radiation patch and the second driving radiation patch is on same vertical line；First parasitic radiation patch and the first driving radiation patch and the second parasitic radiation patch and the second driving radiation patch constitute double-frequency resonance.The present invention uses stacked microstrip structure, realizes miniaturization；Double frequency, high bandwidth are realized using stacked and biradial patch；Structure is simple, easy for installation.
Description
Technical field
The present invention relates to satellite communication antena technical fields, and in particular, to a kind of stacking of minimized wide-band double frequency declines
Band antenna.
Background technique
With the fast development of wireless communication technique, traditional paraboloid satellite communication antenna causes that volume is big, difficult processing
The disadvantages such as degree is big, economic cost is high, and antenna performance is undesirable are gradually eliminated.Microstrip antenna has small in size, structure simply, easily
Processing, and various high performance characteristics etc. are easily achieved by changing feeding network, structure design and beamforming technique
Advantage has obtained extensive research and has been applied to wireless communication every field Antenna Design.But traditional single layer structure micro-strip
Antenna, which exists, realizes the disadvantages such as double-frequency resonance volume big, narrowband, gain be low.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of stacked micro-strip days of minimized wide-band double frequency
Line.
The stacked microstrip antenna of a kind of broadband dual-frequency provided according to the present invention, including what is stacked gradually from top to bottom: on
Layer medium substrate, middle layer medium substrate and layer dielectric substrate；
The upper surface of the upper layer medium substrate is provided with the first parasitic radiation patch and the second parasitic radiation patch, described
The upper surface of layer dielectric substrate is provided with the first driving radiation patch and the second driving radiation patch, first parasitic radiation
Patch and the central point of the first driving radiation patch are on same vertical line, the second parasitic radiation patch and described second
Drive the central point of radiation patch on same vertical line；
The first parasitic radiation patch and it is described first driving radiation patch and the second parasitic radiation patch and
The second driving radiation patch constitutes double-frequency resonance.
Preferably, the first parasitic radiation patch is identical with the size shape of the second parasitic radiation patch, it is described
First driving radiation patch is identical with the size shape of the second driving radiation patch.
Preferably, further including power division network, the power division network is set to the upper surface of the layer dielectric substrate, described
Power division network is connect with the first driving radiation patch and the second driving radiation patch respectively.
Preferably, the power division network has a feeding point, the feeding point apart from the first parasitic radiation patch and
The second parasitic radiation patch is equidistant, apart from the first driving radiation patch and the second driving radiation patch
Be equidistant.
Preferably, the corner for forming the microstrip line of the power division network is right angle, and each corner 45 is outside one's consideration
Beveling cuts off an isosceles right triangle.
Preferably, further including earth plate, the earth plate is set to the lower surface of the layer dielectric substrate.
Preferably, further including aluminium alloy mounting plate, the aluminium alloy mounting plate is set to the lower surface of the earth plate, institute
It states and offers screw hole on aluminium alloy mounting plate.
Preferably, further including feed port, the feed port is located at the center below the earth plate, by same
Mandrel connector is connect with the earth plate and the power division network.
Preferably, the shape of the parasitic radiation patch and the driving radiation patch includes polygon or round.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention uses stacked microstrip structure, realizes miniaturization；Double frequency, height are realized using stacked and biradial patch
Bandwidth；Structure is simple, easy for installation；Selected material can replace medium substrate and installation according to real economy budget and be closed with aluminium
The selection of golden plate, and it is possible to pass through the fine tuning of the associated antennas performances such as bandwidth in theoretical calculation and the Realization of Simulation frequency band；This hair
The antenna element of the bright transmitting-receiving array antenna that can be also used for beam-forming system.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the perspective view under depression angle of the present invention；
Fig. 2 is side view of the invention；
Fig. 3 is normalized gain figure of the invention；
Fig. 4 is voltage standing wave ratio figure of the invention.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As depicted in figs. 1 and 2, a kind of stacked microstrip antenna of minimized wide-band double frequency provided by the invention, including by upper
It is stacked gradually under: upper layer medium substrate 4, middle layer medium substrate 5 and layer dielectric substrate 6.Three pieces of medium substrates are respectively
The cuboid of homogeneous media, and the length of three pieces of medium substrates and width are equal, thickness changes according to characteristic requirements.
The upper surface of upper layer medium substrate 4 is provided with a pair of of 1: the first parasitic radiation patch of parasitic radiation patch and second and posts
Raw radiation patch, the upper surface of layer dielectric substrate 6 are provided with a pair of of driving radiation patch 2: the first and drive radiation patch and the
On same vertical line, second posts the central point of two driving radiation patch, the first parasitic radiation patch and the first driving radiation patch
The central point of raw radiation patch and the second driving radiation patch is on same vertical line；First parasitic radiation patch and the first driving spoke
It penetrates patch and the second parasitic radiation patch and the second driving radiation patch constitutes double-frequency resonance.
In the present invention, the size shape of the first parasitic radiation patch and the second parasitic radiation patch is identical, the first driving
Radiation patch is identical with the size shape of the second driving radiation patch.It is in the present embodiment all rectangle, in other embodiments
In can be round, triangle or other polygons.
Power division network 3 is set to the upper surface of layer dielectric substrate 6, and power division network 3 drives radiation patch 2 with first respectively
It is connected with the second driving radiation patch.Power division network 3 has a feeding point, feeding point distance the first parasitic radiation patch and second
Parasitic radiation patch is equidistant, and distance first drives radiation patch and second to drive being equidistant for radiation patch.Composition
The corner of the microstrip line of power division network is right angle, and each corner 45 is outside one's consideration beveling, one isosceles right triangle of excision, from
And control the discontinuous bring return loss of micro-strip line impedance.
Earth plate 7 is set to the lower surface of layer dielectric substrate 6.Aluminium alloy mounting plate 9 is set to the following table of earth plate 7
Face offers screw hole 8 on aluminium alloy mounting plate 9.
The deposited copper thickness of radiation patch and earth plate is 17um or 35um, upper layer medium substrate and interlayer base
Other high-frequency low-consumption medium substrates that plate is Rogers 5880 or dielectric constant is 2.2 or so, layer dielectric substrate
Other high-frequency low-consumption medium substrates for being 6.15 or so for Taconic RF-60 or dielectric constant, the gold contacted with floor
Belong to aluminium alloy plate and guarantees that electric conductivity is good, lighter weight.
In the present embodiment, the full-size of antenna is about 83.5*23*8.23mm3, aluminium alloy plate 9 with a thickness of 3mm,
The length and width of three pieces of medium substrates are 65*25mm2, upper layer medium substrate 4, interlayer substrate 5, layer dielectric substrate 6
Thickness respectively may be about 0.787mm, 3.175mm, 1.27mm, because the irresistible objective factor such as processing technology precision causes to be situated between
Matter substrate thickness changes within the scope of tolerable.
A pair of of parasitic radiation patch 1 of the upper surface of upper layer medium substrate 4, the upper surface of layer dielectric substrate 6 drive spoke
The earth plate 7 for penetrating the power division network 3 of the upper surface of patch 2, layer dielectric substrate 6 and the lower surface of layer dielectric substrate applies respectively
Copper thickness is 17um.In simulation process, ideal radiation layer generally is set by radiation patch and earth plate, i.e., with a thickness of 0
Perfact conductor.
Parasitic radiation patch 1 and driving radiation patch 2 are rectangle, can be round, triangle in other embodiments
Shape or other polygons；The corresponding patch center of upper layer and lower layer is alignment, and distance center feeding point is apart from identical, together
Two radiation patch size shapes are identical in one plane.
Parasitic radiation patch 1 is to increase the beamwidth of antenna and gain, and the thickness control of intermediate medium substrate can also be used
To change the beamwidth of antenna and gain.
Coaxial feed port 10 is located at the center position of entire antenna structure, (a kind of by the SMA head of 50 ohmages
Coaxial connector) power division network 3 and earth plate 7 that input impedance is 50 ohm are connected, input power is divided by power division network 3
The phases two paths of signals such as width.
In order to eliminate the influence of microstrip discontinuities, 45 ° of operations of outer beveling are carried out to every section of bending microstrip line.
Entire antenna is fixed by four screws 8 of metal aluminum alloy plate surrounding.
By emulation, the maximum gain of the antenna reaches 9.36dBi.
It is illustrated in figure 3 the normalized gain figure of antenna, it is known that, -3dB beam angle of the example antenna in the face E and the face H
Respectively 41.5 ° and 94.5 °.
It is illustrated in figure 4 the voltage standing wave ratio figure of antenna, the voltage standing wave ratio between 4.4-5GHz is respectively less than 1.5.
In the present embodiment, the antenna size obtained is small, structure is simple, with roomy, high gain, and easy processing, installation.
Antenna has good characteristic in 4.4-5GHz wave band, is highly suitable to be applied in band band limits in satellite communication.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (9)
1. a kind of stacked microstrip antenna of broadband dual-frequency, which is characterized in that including what is stacked gradually from top to bottom: top dielectric base
Plate, middle layer medium substrate and layer dielectric substrate；
The upper surface of the upper layer medium substrate is provided with the first parasitic radiation patch and the second parasitic radiation patch, the lower layer
The upper surface of medium substrate is provided with the first driving radiation patch and the second driving radiation patch, the first parasitic radiation patch
Central point with the first driving radiation patch is on same vertical line, the second parasitic radiation patch and second driving
The central point of radiation patch is on same vertical line；
The first parasitic radiation patch and the first driving radiation patch and the second parasitic radiation patch and described
Second driving radiation patch constitutes double-frequency resonance.
2. the stacked microstrip antenna of broadband dual-frequency according to claim 1, which is characterized in that the first parasitic radiation patch
Piece is identical with the size shape of the second parasitic radiation patch, the first driving radiation patch and the second driving radiation
The size shape of patch is identical.
3. the stacked microstrip antenna of broadband dual-frequency according to claim 1, which is characterized in that it further include power division network, institute
The upper surface that power division network is set to the layer dielectric substrate is stated, the power division network is pasted with the first driving radiation respectively
Piece is connected with the second driving radiation patch.
4. the stacked microstrip antenna of broadband dual-frequency according to claim 3, which is characterized in that the power division network has one
Feeding point, the feeding point are equidistant apart from the first parasitic radiation patch and the second parasitic radiation patch, away from
Being equidistant for radiation patch is driven from the first driving radiation patch and described second.
5. the stacked microstrip antenna of broadband dual-frequency according to claim 3, which is characterized in that form the power division network
The corner of microstrip line is right angle, and each corner 45 is outside one's consideration beveling, one isosceles right triangle of excision.
6. the stacked microstrip antenna of broadband dual-frequency according to claim 4, which is characterized in that it further include earth plate, it is described
Earth plate is set to the lower surface of the layer dielectric substrate.
7. the stacked microstrip antenna of broadband dual-frequency according to claim 6, which is characterized in that further include aluminium alloy installation
Plate, the aluminium alloy mounting plate are set to the lower surface of the earth plate, offer screw hole on the aluminium alloy mounting plate.
8. the stacked microstrip antenna of broadband dual-frequency according to claim 6, which is characterized in that it further include feed port, institute
The center that feed port is located at below the earth plate is stated, coaxial connector and the earth plate and the function point are passed through
Network connection.
9. the stacked microstrip antenna of broadband dual-frequency according to claim 1, which is characterized in that the parasitic radiation patch and
The shape of the driving radiation patch includes polygon or round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605015.5A CN109687131A (en) | 2018-12-26 | 2018-12-26 | A kind of stacked microstrip antenna of broadband dual-frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605015.5A CN109687131A (en) | 2018-12-26 | 2018-12-26 | A kind of stacked microstrip antenna of broadband dual-frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109687131A true CN109687131A (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811605015.5A Pending CN109687131A (en) | 2018-12-26 | 2018-12-26 | A kind of stacked microstrip antenna of broadband dual-frequency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018512A (en) * | 2020-08-14 | 2020-12-01 | 中北大学 | Small-size planar medical directional microwave resonance antenna |
| CN117996424A (en) * | 2023-11-30 | 2024-05-07 | 中国科学院国家空间科学中心 | Three-dimensional microstrip positioning antenna and manufacturing method thereof |
Citations (3)
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|---|---|---|---|---|
| US5382959A (en) * | 1991-04-05 | 1995-01-17 | Ball Corporation | Broadband circular polarization antenna |
| CN201191649Y (en) * | 2008-03-31 | 2009-02-04 | 大连交通大学 | High-gain wide-band microstrip antenna array |
| CN105186109A (en) * | 2015-09-29 | 2015-12-23 | 大连海事大学 | E-type patch based horizontally-polarized digital television transmitting antenna array |
-
2018
- 2018-12-26 CN CN201811605015.5A patent/CN109687131A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382959A (en) * | 1991-04-05 | 1995-01-17 | Ball Corporation | Broadband circular polarization antenna |
| CN201191649Y (en) * | 2008-03-31 | 2009-02-04 | 大连交通大学 | High-gain wide-band microstrip antenna array |
| CN105186109A (en) * | 2015-09-29 | 2015-12-23 | 大连海事大学 | E-type patch based horizontally-polarized digital television transmitting antenna array |
Non-Patent Citations (2)
| Title |
|---|
| PRAMENDRA TILANTHE ET AL: "An ultra broadband stacked circular patch antenna", 《2009 INTERNATIONAL MULTIMEDIA,SIGNAL PROCESSING AND COMMUNICATION TECHNOLOGIES》 * |
| 李校林等: "基于腔模理论的小型双频宽带微带天线的研究与设计", 《重庆邮电大学学报(自然科学版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018512A (en) * | 2020-08-14 | 2020-12-01 | 中北大学 | Small-size planar medical directional microwave resonance antenna |
| CN117996424A (en) * | 2023-11-30 | 2024-05-07 | 中国科学院国家空间科学中心 | Three-dimensional microstrip positioning antenna and manufacturing method thereof |
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Application publication date: 20190426 |
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