CN206040959U - Broadside antenna - Google Patents
Broadside antenna Download PDFInfo
- Publication number
- CN206040959U CN206040959U CN201621012310.6U CN201621012310U CN206040959U CN 206040959 U CN206040959 U CN 206040959U CN 201621012310 U CN201621012310 U CN 201621012310U CN 206040959 U CN206040959 U CN 206040959U
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- rectangular metal
- metal
- medium substrate
- broadside antenna
- broadside
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Abstract
This discloses a broadside antenna. Broadside antenna includes: first medium base plate is equipped with the breach, including relative first surface and second surface, the metal paster is arranged to paste and is located the first surface, the ground plate is equipped with the slotted hole, and subsides are located the second surface, second medium base plate, with ground plate parallel arrangement, including relative third surface and fourth surface, second medium base plate is in projected subregion on the ground plate is located in the breach, magnetic dipole, subsides are located the third surface, the driving source, subsides are located the fourth surface, and coaxial cable, wear to locate the slotted hole and connect in the driving source. This open disclosed broadside antenna has low profile characteristic to and good end -fire radiation characteristic, through loading EBG technique, broadside antenna not only has good limit and penetrates radiation characteristic, has extremely wide beam width in addition, has solved present higher, the lower scheduling problem of radiant efficiency of antenna section.
Description
Technical field
A kind of it relates to field of antenna, in particular it relates to broad beam low section broadside antenna for being applied to phased array.
Background technology
Phased array be it is a kind of be made up of multiple antenna elements, wave beam can be carried out sweep by controlling relative phase between array element
The aerial array retouched.This array has the advantages such as high-gain, low sidelobe, high power, can widely be used in radar, aviation
The fields such as space flight, remote sensing remote measurement.Aircraft is typically all mounted with Planar Phased Array Antenna, and the antenna is by conventional microstrip antenna element
Constitute, be the visual plant of aircraft perception surrounding enviroment.But due to the limitation of antenna element, Planar Phased Array Antenna is swept
Narrow range is retouched, the space search region of phased array is significantly limit.
In order to break through this limitation, wide-angle scanning Phased Array Antenna is arisen at the historic moment, and it can greatly widen antenna ripple
Beam coverage, receives from ground and the signal of space in wide range comprehensively, therefore is able to be widely used in ground
In air defence system and spaceborne searching system, and the key of wide-angle scanning phased array is exactly the antenna list with broad beam characteristic
Unit.But, existing antenna element section is higher, and radiation efficiency is relatively low, and complex structure, extensively can't apply.
Utility model content
The purpose of the disclosure is to provide a kind of broadside antenna, the broadside antenna to solve existing antenna element section compared with
Height, structure are more complicated, the relatively low problem of radiation efficiency.
To achieve these goals, the disclosure provides a kind of broadside antenna, including：
First medium substrate, is provided with breach, including relative first surface and second surface；
Metal patch, arrangement are attached at the first surface；
Earth plate, is provided with slotted eye, is attached at the second surface；
Second medium substrate, is be arranged in parallel with the earth plate, including the 3rd relative surface and the 4th surface, described
Second medium substrate is located in the breach in the subregion of the projection on the earth plate；
Magnetic dipole, is attached at the 3rd surface；
Driving source, is attached at the 4th surface；And
Coaxial cable, is arranged in the slotted eye and is connected to the driving source.
Alternatively, the first medium substrate is half elliptic, and the breach is semicircle, the half elliptic center of circle
Overlap with the semicircular center of circle.
Alternatively, the magnetic dipole includes constituting two semicircular ring sheet metals of circular ring structure, two semicircular ring
There is a gap between the end of sheet metal；The end of each semicircular ring sheet metal is formed with towards the semicircle ring center gold for extending
Category minor matters, the second medium substrate is the circular slab being arranged concentrically with the magnetic dipole.
Alternatively, the radius of the second medium substrate is 16mm to 18mm, and the thickness of the second medium substrate is
0.5mm to 0.9mm.
Alternatively, the external diameter of the semicircular ring sheet metal is 14mm to 17mm, and the internal diameter of the semicircular ring sheet metal is
12mm to 14mm；The metal minor matters are rectangular metal bar, and the length of the rectangular metal band is 6mm to 7mm, the rectangle
The width of metal band is 0.2mm to 0.4mm, the distance between two rectangular metal bands 0.3mm to 0.8mm.
Alternatively, the thickness of the first medium substrate is 0.5mm to 1mm；The half elliptic major semiaxis is 42mm
To 44mm, the half elliptic semi-minor axis is 36mm to 39mm；The semicircular radius is 18mm to 21mm.
Alternatively, the metal patch is the rectangular metal sheet of equidistant arrangement, and the length of the rectangular metal sheet and width are equal
For 3mm to 7mm, the spacing between the rectangular metal sheet is 0.2mm to 4mm.
Alternatively, the earth plate has the rectangular metal plate of rectangle groove for middle etch.
Alternatively, a length of 85mm to 88mm of the rectangular metal plate, a width of 54mm to 58mm of the rectangular metal plate；
A length of 68mm to 72mm of the rectangle groove, a width of 0.5mm to 1.5mm of the rectangle groove.
Alternatively, the driving source includes two rectangle gold on the 4th surface for being attached at the second medium substrate parallel
Category band；
The rectangular metal band is included positioned at the medial extremity of the second medium substrate center and relative to the inner side
The outboard end at end；The inside and outside core of the coaxial cable is connected to the medial extremity of two rectangular metal bands.
Alternatively, the length of the metal band is 15mm to 17mm, the width of the metal band be 0.4mm extremely
0.9mm。
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect：
1) there is low section characteristic, section height can be 3.98% λ0, it is adapted to be close to the mobile objects such as tank, satellite
Surface so that do not affect aerodynamic performance in high-speed cruising.
2) by loading EBG technologies, not only there is the broadside antenna good side to penetrate radiation characteristic, and have extremely wide
Beam angle, at resonance frequency, radiation direction gain directly over the broadside antenna can reach 1.90dBi, compare in front and back
Can be 16.52dB, the half-power beam width in ZOX faces can be 251 ° (- 125 °～126 °), the half-power beam in ZOY faces
Width can be 198 ° (- 109 °～89 °) so that the broadside antenna can apply to wide-angle phase-array scanning and base station system
In system.
3) there is high radiation efficiency, at resonance frequency, radiation efficiency can reach 85.57%, and antenna structure is compact,
Easily fabricated processing.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute the part of description, with following tool
Body embodiment is used for explaining the disclosure together, but does not constitute restriction of this disclosure.In the accompanying drawings：
Fig. 1 is a kind of structural representation of the broadside antenna according to an exemplary embodiment.
Fig. 2 is the first medium substrate and magnetic dipole that a kind of broadside antenna according to an exemplary embodiment includes
Top view.
Fig. 3 is a kind of upward view of the driving source of the broadside antenna according to an exemplary embodiment.
Fig. 4 is a kind of top view of the earth plate of the broadside antenna according to an exemplary embodiment.
Fig. 5 is a kind of S parameter curve chart of the broadside antenna according to an exemplary embodiment.
Fig. 6 is a kind of E planes of the broadside antenna according to an exemplary embodiment, the Far-field radiation pattern of H planes.
Specific embodiment
Here in detail exemplary embodiment will be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.Conversely, they be only with as appended by
The example of consistent apparatus and method in terms of some described in detail in claims, the disclosure.
Fig. 1 is a kind of structural representation of the broadside antenna according to an exemplary embodiment, as shown in figure 1, described
Broadside antenna includes：
First medium substrate 1, is provided with breach, including relative first surface and second surface；
Metal patch 3, arrangement are attached at the first surface；
Earth plate 4, is provided with slotted eye, is attached at the second surface；
Second medium substrate 2, is be arranged in parallel with the earth plate 4, including the 3rd relative surface and the 4th surface, described
Second medium substrate 2 is located in the breach in the subregion of the projection on the earth plate 4；
Magnetic dipole 5, is attached at the 3rd surface；
Driving source 6, is attached at the 4th surface；And
Coaxial cable 7, is arranged in the slotted eye and is connected to the driving source 6.
Refer to Fig. 1 and Fig. 2, Fig. 2 are first Jie that a kind of broadside antenna according to an exemplary embodiment includes
The top view of matter substrate and magnetic dipole.As depicted in figs. 1 and 2, the first medium substrate 1 can be half elliptic, described
Breach can be semicircle, and the half elliptic center of circle is overlapped with the semicircular center of circle.The first medium substrate 1
Material can be The Rogers Duroid5880 (Rogers 5880), and its relative dielectric constant is 2.2, and relative permeability is
1.0, loss angle tangent is 0.0009.
As depicted in figs. 1 and 2, the thickness of the first medium substrate 1 is 4mm to 6mm；The half elliptic major semiaxis
L1 is 42mm to 44mm, and the half elliptic semi-minor axis W5 is 36mm to 39mm；The semicircular radius R4 be 18mm extremely
21mm.Alternatively, the thickness of the first medium substrate 1 is 5mm；The half elliptic major semiaxis L1 is 43mm, described half
Oval semi-minor axis W5 is 39mm；The semicircular radius R4 is 20mm.
As depicted in figs. 1 and 2, the first surface and second surface of the first medium substrate 1 is sticked respectively and has the gold
Category paster 3 and the earth plate 4, and then constitute EBG (Electromagnetic Band Gap；Electro-magnetic bandgap) structure, enter
And pass through to load EBG technologies so that not only there is the broadside antenna of the disclosure good side to penetrate radiation characteristic, Er Qieyou
Extremely wide beam angle.
As shown in Fig. 2 rectangular metal sheet of the metal patch 3 for equidistantly arrangement, the length of the rectangular metal sheet and
Width can be 3mm to 7mm, and spacing W4 between the rectangular metal sheet can be 0.2mm to 4mm.Alternatively, the rectangle
The length of sheet metal and width can be 5.5mm, and spacing W4 between the rectangular metal sheet is 2mm.
Fig. 4 is refer to, Fig. 4 is a kind of top view of the earth plate of the broadside antenna according to an exemplary embodiment.
As shown in figure 4, the earth plate 4 has the rectangular metal plate of rectangle groove 40 for middle etch.
As shown in figure 4, the long L3 of the rectangular metal plate is 85mm to 88mm, the wide W8 of the rectangular metal plate is 54mm
To 58mm；The long L4 of the rectangle groove 40 is 68mm to 72mm, and the wide W9 of the rectangle groove is 0.5mm to 1.5mm.It is optional
Ground, the long L3 of the rectangular metal plate is 86mm, and the wide W8 of the rectangular metal plate is 56mm；The long L4 of the rectangle groove 40
For 70mm, the wide W9 of the rectangle groove is 1mm.
As depicted in figs. 1 and 2, the magnetic dipole 5 include constitute circular ring structure two semicircular ring sheet metals 51, two
There is a gap between the end of the semicircular ring sheet metal 51；The end of each semicircular ring sheet metal 51 is formed with direction should
The metal minor matters 52 that semicircle ring center extends, the second medium substrate 2 is the circle being arranged concentrically with the magnetic dipole 5
Plate.
As depicted in figs. 1 and 2, the external diameter R2 of the semicircular ring sheet metal 51 be 14mm to 17mm, the semicircular ring metal
The internal diameter R3 of piece 51 is 12mm to 14mm；The metal minor matters 52 are rectangular metal bar, and the length of the rectangular metal bar is 6mm
To 7mm, the width W1 of the rectangular metal bar is 0.2mm to 0.4mm, and the distance between two described rectangular metal bands are
0.3mm to 0.8mm.
Alternatively, the external diameter R2 of the semicircular ring sheet metal 51 is 16mm, and the internal diameter R3 of the semicircular ring sheet metal 51 is
13.5mm.The distance of the relative end of two semicircular ring sheet metals 51 is 0.5mm.The length of the rectangular metal bar is
11.5mm, the width W1 of the rectangular metal bar is 0.3mm.
As depicted in figs. 1 and 2, the radius R1 of the second medium substrate 2 be 16mm to 18mm, the second matter substrate 2
Thickness be 0.5mm to 0.9mm.Alternatively, the radius R1 of the second medium substrate 2 is 17mm, and thickness is 0.787mm.Institute
The material for stating second medium substrate 2 can select The Rogers Duroid 5880, and relative dielectric constant is 2.2, with respect to magnetic
Conductance is 1.0, and loss angle tangent is 0.0009.
Alternatively, as shown in figure 1, the upper surface of the lower surface of the second medium substrate 2 and the first medium substrate 1
Between stagger one height, i.e., have between the 4th surface and first surface stagger height, between the 4th surface and first surface
Distance can be 0.26mm to 2mm.Alternatively, the distance between the 4th surface and first surface can be 1mm.
Fig. 3 is a kind of upward view of the driving source of the broadside antenna according to an exemplary embodiment, such as Fig. 1 and Fig. 3
Shown, the driving source 6 is thickness identical with the magnetic dipole 5 and covers Copper thin film.The driving source 6 includes being sticked parallel
In two rectangular metal bands on the 4th surface of the second medium substrate 2.The rectangular metal band and the metal branch
Section 52 can align on the thickness direction of the second medium substrate 2, it is also possible on the thickness direction of the medium substrate 2
State in not lining up.
As shown in figure 3, the rectangular metal band is included positioned at the medial extremity in 2 central authorities of second medium substrate and relative
In the outboard end of the medial extremity；The inside and outside core of the coaxial cable 7 is connected to the inner side of two rectangular metal bands
End.
As shown in figure 3, length L2 of the rectangular metal band is 15mm to 17mm, the width of the rectangular metal band
W6 is 0.4mm to 0.9mm, and the distance between two rectangular metal bands W7 is 1.1mm to 1.5mm.Alternatively, the rectangle gold
Length L2 of category band is 16mm, and the width W6 of the rectangular metal band is 0.6mm, between two rectangular metal bands away from
It is 1.3mm from W7.
After completing above-mentioned initial designs, simulation analysis are carried out using high-frequency electromagnetic simulation software HFSS13.0, pass through
It is as shown in the table that parameters size is obtained after simulation optimization：
The each parameter optimum size table of 1 disclosure of table
With reference to Fig. 2, Fig. 3 and Fig. 4, L1 represents the half elliptic major semiaxis, and L2 represents the rectangular metal band
Length, L3 represent the length of the rectangular metal plate, and L4 represents the length of the rectangle groove 40, and W1 represents the rectangular metal
The width of bar, W2 represent sum of the distance plus two W1 between two rectangular metal bars, and W3 represents the rectangular metal sheet
Length and width, W4 represents the spacing between the rectangular metal sheet, and half elliptic semi-minor axis described in W5, W6 represent the rectangle
The width of metal band, W7 represent the distance between two rectangular metal bands, and W8 represents the width of the rectangular metal plate, W9 generations
The width of rectangle groove described in table, R1 represent the radius of the second medium substrate 2, and R2 represents the outer of the semicircular ring sheet metal 51
Footpath, R3 represent the internal diameter of the semicircular ring sheet metal 51, and R4 represents the semicircular radius.
According to above-mentioned parameter, using HFSS to the designed end-fire low section favour for being applied to wireless power transmission system more
The reflection coefficient of this source antenna | S11| characterisitic parameter carries out simulation analysis, and its analysis result is as follows：
Fig. 5 is a kind of S parameter curve chart of the broadside antenna according to an exemplary embodiment, as shown in figure 5, this public affairs
The resonance frequency of the broadside antenna opened is 1.755GHz, and reflection loss value is -12.14dB.Fig. 6 is according to an exemplary embodiment
A kind of E planes of the broadside antenna for illustrating, the Far-field radiation pattern of H planes, from fig. 6 it can be seen that day is penetrated on the side of the disclosure
At resonance frequency, radiation direction gain directly over antenna reaches 1.90dBi to line, in front and back than 16.52dB, radiation efficiency
The half-power beam width in 87.57%, ZOX face is 251 ° (- 125 °～126 °), and the half-power beam width in ZOY faces is 198 °
(- 109 °～89 °).It can be seen that the broadside antenna of the disclosure has good radiance, and there is broad beam characteristic, it is same with this
When, antenna section is low, compact conformation.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect：
1) there is low section characteristic, section height can be 3.98% λ0, it is adapted to be close to the mobile objects such as tank, satellite
Surface so that do not affect aerodynamic performance in high-speed cruising.
2) by loading EBG technologies, not only there is the broadside antenna good side to penetrate radiation characteristic, and have extremely wide
Beam angle, at resonance frequency, radiation direction gain directly over the broadside antenna can reach 1.90dBi, compare in front and back
Can be 16.52dB, the half-power beam width in ZOX faces can be 251 ° (- 125 °～126 °), the half-power beam in ZOY faces
Width can be 198 ° (- 109 °～89 °) so that the broadside antenna can apply to wide-angle phase-array scanning and base station system
In system.
3) there is high radiation efficiency, at resonance frequency, radiation efficiency can reach 87.57%, and antenna structure is compact,
Easily fabricated processing.
The preferred implementation of the disclosure is described in detail above in association with accompanying drawing, but, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, various letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The compound mode of energy is no longer separately illustrated.
Additionally, combination in any between a variety of embodiments of the disclosure, can also be carried out, as long as which is without prejudice to this
Disclosed thought, which should equally be considered as disclosure disclosure of that.
Claims (11)
1. a kind of broadside antenna, it is characterised in that include：
First medium substrate, is provided with breach, including relative first surface and second surface；
Metal patch, arrangement are attached at the first surface；
Earth plate, is provided with slotted eye, is attached at the second surface；
Second medium substrate, is be arranged in parallel with the earth plate, and including the 3rd relative surface and the 4th surface, described second is situated between
Matter substrate is located in the breach in the subregion of the projection on the earth plate；
Magnetic dipole, is attached at the 3rd surface；
Driving source, is attached at the 4th surface；And
Coaxial cable, is arranged in the slotted eye and is connected to the driving source.
2. broadside antenna according to claim 1, it is characterised in that the first medium substrate is half elliptic, described
Breach is semicircle, and the half elliptic center of circle is overlapped with the semicircular center of circle.
3. broadside antenna according to claim 2, it is characterised in that the magnetic dipole includes constituting the two of circular ring structure
Individual semicircular ring sheet metal, has a gap between the end of two semicircular ring sheet metals；The end of each semicircular ring sheet metal
The metal minor matters for extending are formed with towards the semicircle ring center, and the second medium substrate is to be arranged concentrically with the magnetic dipole
Circular slab.
4. broadside antenna according to claim 3, it is characterised in that the radius of the second medium substrate be 16mm extremely
18mm, the thickness of the second medium substrate is 0.5mm to 0.9mm.
5. broadside antenna according to claim 3, it is characterised in that the external diameter of the semicircular ring sheet metal be 14mm extremely
17mm, the internal diameter of the semicircular ring sheet metal is 12mm to 14mm；The metal minor matters be rectangular metal bar, the rectangular metal
The length of band is 6mm to 7mm, and the width of the rectangular metal band is 0.2mm to 0.4mm, two rectangular metal bars
The distance between band 0.3mm to 0.8mm.
6. broadside antenna according to claim 2, it is characterised in that the thickness of the first medium substrate be 4mm extremely
6mm；The half elliptic major semiaxis is 42mm to 44mm, and the half elliptic semi-minor axis is 36mm to 39mm；Described half
Circular radius is 18mm to 21mm.
7. broadside antenna according to claim 1, it is characterised in that the metal patch is the rectangle gold of equidistant arrangement
Category piece, the length of the rectangular metal sheet and width are 3mm to 7mm, and the spacing between the rectangular metal sheet is 0.2mm to 4mm.
8. broadside antenna according to claim 1, it is characterised in that the earth plate has rectangle groove for middle etch
Rectangular metal plate.
9. broadside antenna according to claim 8, it is characterised in that a length of 85mm to 88mm of the rectangular metal plate,
A width of 54mm to 58mm of the rectangular metal plate；A length of 68mm to 72mm of the rectangle groove, the width of the rectangle groove
For 0.5mm to 1.5mm.
10. broadside antenna according to claim 1, it is characterised in that the driving source includes being attached at described parallel
Two rectangular metal bands on the 4th surface of second medium substrate；
The rectangular metal band is included positioned at the medial extremity of the second medium substrate center and relative to the medial extremity
Outboard end；The inside and outside core of the coaxial cable is connected to the medial extremity of two rectangular metal bands.
11. broadside antennas according to claim 10, it is characterised in that the length of the metal band be 15mm extremely
17mm, the width of the metal band is 0.4mm to 0.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012310.6U CN206040959U (en) | 2016-08-31 | 2016-08-31 | Broadside antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012310.6U CN206040959U (en) | 2016-08-31 | 2016-08-31 | Broadside antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206040959U true CN206040959U (en) | 2017-03-22 |
Family
ID=58300480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621012310.6U Expired - Fee Related CN206040959U (en) | 2016-08-31 | 2016-08-31 | Broadside antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206040959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252862A (en) * | 2016-08-31 | 2016-12-21 | 重庆大学 | Broadside antenna |
-
2016
- 2016-08-31 CN CN201621012310.6U patent/CN206040959U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252862A (en) * | 2016-08-31 | 2016-12-21 | 重庆大学 | Broadside antenna |
| CN106252862B (en) * | 2016-08-31 | 2023-04-07 | 重庆大学 | Side-emitting antenna |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |