CN110021817A - A kind of directed microstrip antenna of broken line type - Google Patents
A kind of directed microstrip antenna of broken line type Download PDFInfo
- Publication number
- CN110021817A CN110021817A CN201910303377.7A CN201910303377A CN110021817A CN 110021817 A CN110021817 A CN 110021817A CN 201910303377 A CN201910303377 A CN 201910303377A CN 110021817 A CN110021817 A CN 110021817A
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- broken line
- radiation patch
- microstrip antenna
- dielectric
- slab
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- 230000005855 radiation Effects 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 22
- 239000000523 sample Substances 0.000 claims abstract description 17
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 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
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- Waveguide Aerials (AREA)
Abstract
The present invention discloses a kind of directed microstrip antenna of broken line type, including radiation patch, feed probes, short circuit nail, dielectric-slab and metal floor, radiation patch and metal floor are respectively arranged on the upper and lower surfaces of dielectric-slab, short circuit nail links together metal floor and radiation patch across dielectric-slab, and feed probes pass through dielectric-slab and connect with radiation patch；The radiation patch is the broken line type structure being made of first group of broken line and second group of broken line.The present invention realizes higher gain and good pattern characteristics, and the antenna has front and back ratio characteristic well in working band；Also there is the characteristics of easy to process, low section.
Description
Technical field
The present invention relates to field of wireless communication devices, in particular to the directed microstrip antenna of a kind of broken line type.
Background technique
With the continuous development and popularization of cordless communication network, communication environments locating for antenna system become more and more multiple
It is miscellaneous, it will receive interference when electromagnetic wave is propagated in free space and generate decaying, if the energy radiated around can be concentrated
It sends, the anti-interference ability of signal will be enhanced.Under the biggish scene of user density, from the point of view of transmitting equipment, due to
It realizes point-to-point communication, also requires antenna that there are very good directional radiation properties at this time, to meet the needs of communication.
But direction is penetrated on side in the maximum direction of traditional microstrip antenna radiation, and end-on direction gain is then very low.
Summary of the invention
The main object of the present invention is the directed microstrip antenna for proposing a kind of broken line type, it is intended to overcome problem above.
To achieve the above object, the directed microstrip antenna of a kind of broken line type proposed by the present invention, including radiation patch, feed
Probe, short circuit nail, dielectric-slab and metal floor, radiation patch and metal floor are respectively arranged on the upper and lower surfaces of dielectric-slab, short circuit
Nail links together metal floor and radiation patch across dielectric-slab, and feed probes pass through dielectric-slab and connect with radiation patch；
The radiation patch is the broken line type being made of first group of broken line (b, c, d, e, f) and second group of broken line (h, i, j, k, l)
Structure.
Preferably, first group of broken line of the radiation patch and second group of broken line pass through two broadside (a, g) connections.Institute
Two groups of broken lines for stating radiation patch include vertical line segment (b, d, f, h, j, l) and oblique line section (c, e, i, k).
Preferably, the vertical line segment (b) distinguishes parallel and isometric, oblique line section (c) with (j), (f) with (h) with (l), (d)
It is parallel and isometric respectively with (i) with (k), (e).Wherein, the vertical line segment (b) and (f), (l) and (h) are isometric, oblique line section (c)
It is isometric with (e), (k) and (i).
Preferably, broadside (a) length of the radiation patch is 12.5mm, and the vertical line segment (b) connecting with broadside (a) is long
Degree is 8.5mm, and oblique line section (c) length connecting with vertical line segment (b) is 46.86mm, the vertical line segment connecting with oblique line section (c)
(d) length is 20mm, and the angle of the oblique line section (c) and vertical line segment (d) is 140 °.
Preferably, the short circuit nail is along the edge of first group of broken line (b, c, d, e, f) and the edge of two broadsides (a, g)
Period places, and extends vertically through dielectric-slab and connect with metal floor.Wherein, the radius of the short circuit nail is 0.5mm, and every two is adjacent
1.5mm is divided between the center of circle of short circuit nail.
Preferably, the feed probes sequentially pass through the upper and lower surfaces of dielectric-slab, connect radiation patch and metal floor.
Wherein, the feed probes are located on the middle line of vertical line segment (d), the broken line edge 6mm of distance load short circuit nail side.
Compared with prior art, the beneficial effect of technical solution of the present invention is: present invention combination broken line dipole a period of time antenna
Radiation theory rectangular patch is changed to broken line type, compensated using space difference antenna current distribution difference to inhibit after
To radiation, enhance the ability of directed radiation.Higher gain and good pattern characteristics are realized, the day in working band
Line has front and back ratio characteristic well；Furthermore the present invention also has the characteristics of easy to process, low section.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the front schematic view of directed microstrip antenna described in the embodiment of the present invention；
Fig. 2 is the schematic rear view of directed microstrip antenna described in the embodiment of the present invention；
Fig. 3 is the side schematic view of directed microstrip antenna described in the embodiment of the present invention；
Fig. 4 is the reflection coefficient chart of directed microstrip antenna described in the embodiment of the present invention；
Fig. 5 is to compare curve graph before and after directed microstrip antenna described in the embodiment of the present invention；
Fig. 6 is the gain curve figure of directed microstrip antenna described in the embodiment of the present invention；
Fig. 7 is directed microstrip Antenna Operation described in the embodiment of the present invention in 5.15GHz, phi=90 ° of rolling angle plane
Antenna pattern；
Fig. 8 is directed microstrip Antenna Operation described in the embodiment of the present invention in 5.15GHz, theta=90 ° of azimuthal plane
Antenna pattern.
Wherein:
1, radiation patch；2, feed probes；3, short circuit nail；4, dielectric-slab；5, metal floor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
As shown in Figure 1 to Figure 3, the directed microstrip antenna of a kind of broken line type proposed by the present invention, including radiation patch 1, feedback
Electric probe 2, short circuit nail 3, dielectric-slab 4 and metal floor 5, radiation patch 1 and metal floor 5 are respectively arranged on the upper and lower of dielectric-slab 4
Surface, short circuit nail 3 pass through dielectric-slab 4 and metal floor 5 and radiation patch 1 link together, and feed probes 2 pass through dielectric-slab 4
It is connect with radiation patch 1.
In the present embodiment, as shown in Figure 1, radiation patch 1 is five sections of broken line type structures, by first group of broken line b, c, d,
E, the broken line type structure that f and second group of broken line h, i, j, k, l are constituted, first group of broken line and second group of broken line pass through two
Broadside a, g link together.Wherein, two groups of broken lines include vertical line segment b, d, f, h, j, l and oblique line section c, e, i, k；
The vertical line segment b and l, d and j, f and h difference are parallel and isometric, and oblique line section c and k, e and i difference are parallel and isometric；It is described perpendicular
Straightway b and f, l and h are isometric, and oblique line section c and e, k and i are isometric.Oblique line section c, k of the radiation patch 1 respectively with vertical line
The corner dimension of section d, j determines according to the front and back of antenna than performance, so that this antenna has preferably directed radiation performance and suitable
Working band.The width of the radiation patch 1 is determined according to the performance of antenna and impedance matching requirements, so that this antenna has
Biggish front and back than with wider impedance bandwidth.
In the present embodiment, the radiation patch 1 and metal floor 5 are planar structure, are close to dielectric-slab 4.By upper and lower
Metal covering is close to the surface of dielectric-slab 4 and the back side is integrated in one, and forms an overall compact structure, reduces the section of antenna,
Make that its windage is small, it is conformal with carrier to be easily achieved.The dielectric-slab 4 is solid dielectric, the surface of dielectric-slab 4 and metal floor
5 for etc. big rectangle.This antenna can be used printed-board technology and be made.
The short circuit nail 3 is periodically spaced apart the side of the broken line (first group of broken line b, c, d, e, f) on the left of antenna
The edge of edge and two broadsides a, g extends vertically through dielectric-slab 4 and connect with metal floor 5.The number and location of the short circuit nail 3
It is determined according to the performance of antenna and impedance matching requirements, so that this Antenna Operation is in corresponding band.
The position of the feed probes 2 is not at the center of antenna, but according to the performance and impedance matching requirements of antenna
Determine so that this antenna have biggish front and back than with wider impedance bandwidth.In the present embodiment, feed probes 2 sequentially pass through Jie
The upper and lower surfaces of scutum 4, connection radiation patch 1 and metal floor 5.The feeding classification is fed by coaxial probe.
The outdoor scene operation of a preferred embodiment of the invention is specific as follows:
The antenna mount is 2.33 in relative dielectric constant, long and wide respectively 140mm and 85mm, with a thickness of 1.57mm
Dielectric layer on；The broadside a length of aerial radiation patch 1 is 12.5mm, the vertical line segment b length of one section to connect with broadside a
For 8.5mm, the oblique line section c length connecting with vertical line segment b is 46.86mm, and the vertical line segment d length connecting with oblique line section c is
20mm.The preferable angle of oblique line section c and vertical line segment d are 140 ° or so.The radius of short circuit nail 3 is 0.5mm, and every two is adjacent short
1.5mm is divided between the center of circle of traffic stud.The feed probes 2 are located on the middle line of the vertical line segment d in middle part, distance load short circuit nail side
Broken line (line segment d) edge 6mm.
Fig. 4 is the reflection coefficient chart of antenna described in the embodiment of the present invention；
Fig. 5 is to compare curve graph before and after antenna described in the embodiment of the present invention；
Fig. 6 is the gain curve figure of antenna described in the embodiment of the present invention.
Fig. 7 is present invention work in 5.15GHz, the antenna pattern of phi=90 ° of rolling angle plane.
Fig. 8 is present invention work in 5.15GHz, the antenna pattern of theta=90 ° of azimuthal plane.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of directed microstrip antenna of broken line type, which is characterized in that including radiation patch (1), feed probes (2), short circuit nail
(3), dielectric-slab (4) and metal floor (5), radiation patch (1) and metal floor (5) are respectively arranged on the upper and lower table of dielectric-slab (4)
Face, short circuit nail (3) pass through dielectric-slab (4) and metal floor (5) and radiation patch (1) link together, and feed probes (2) pass through
Dielectric-slab (4) is connect with radiation patch (1)；The radiation patch (1) is by first group of broken line (b, c, d, e, f) and second group
The broken line type structure that broken line (h, i, j, k, l) is constituted.
2. the directed microstrip antenna of broken line type as described in claim 1, which is characterized in that (1) first group of the radiation patch
Broken line and second group of broken line pass through two broadside (a, g) connections.
3. the directed microstrip antenna of broken line type as claimed in claim 2, which is characterized in that two groups of the radiation patch (1)
Broken line includes vertical line segment (b, d, f, h, j, l) and oblique line section (c, e, i, k).
4. the directed microstrip antenna of broken line type as claimed in claim 3, which is characterized in that the vertical line segment (b) and (l),
(d) parallel and isometric respectively with (h) with (j), (f), oblique line section (c) and (k), (e) are parallel and isometric respectively with (i).
5. the directed microstrip antenna of broken line type as claimed in claim 4, which is characterized in that the vertical line segment (b) and (f),
(l) isometric with (h), oblique line section (c) and (e), (k) and (i) are isometric.
6. the directed microstrip antenna of broken line type as described in claim 4 or 5, which is characterized in that the width of the radiation patch (1)
Side (a) length is 12.5mm, and vertical line segment (b) length connecting with broadside (a) is 8.5mm, is connect with vertical line segment (b) oblique
Line segment (c) length be 46.86mm, vertical line segment (d) length connect with oblique line section (c) be 20mm, the oblique line section (c) and erect
The angle of straightway (d) is 140 °.
7. the directed microstrip antenna of broken line type as claimed in claim 3, which is characterized in that the short circuit nail (3) is along first group
Broken line (b, c, d1, e, edge f) and two broadsides (a, g) edge period place, extend vertically through dielectric-slab (4) and metal
Floor (5) connection.
8. the directed microstrip antenna of broken line type as claimed in claim 7, which is characterized in that it is described short circuit nail radius be
0.5mm, every two are divided into 1.5mm between the adjacent short-circuit center of circle followed closely.
9. the directed microstrip antenna of broken line type as claimed in claim 3, which is characterized in that the feed probes (2) are successively worn
The upper and lower surfaces of dielectric-slab (4) are crossed, radiation patch (1) and metal floor (5) is connected.
10. the directed microstrip antenna of broken line type as claimed in claim 9, which is characterized in that the feed probes are located at vertical
On the middle line of line segment (d), the broken line edge 6mm of distance load short circuit nail side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303377.7A CN110021817B (en) | 2019-04-16 | 2019-04-16 | Fold line type directional microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303377.7A CN110021817B (en) | 2019-04-16 | 2019-04-16 | Fold line type directional microstrip antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110021817A true CN110021817A (en) | 2019-07-16 |
| CN110021817B CN110021817B (en) | 2020-08-18 |
Family
ID=67191465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910303377.7A Active CN110021817B (en) | 2019-04-16 | 2019-04-16 | Fold line type directional microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110021817B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009292A (en) * | 2014-06-05 | 2014-08-27 | 太原理工大学 | Miniaturized broadband microstrip antenna |
| CN104466418A (en) * | 2014-12-12 | 2015-03-25 | 南京大学 | Magnetic-field-adjustable half-mode substrate integrated waveguide antenna |
-
2019
- 2019-04-16 CN CN201910303377.7A patent/CN110021817B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009292A (en) * | 2014-06-05 | 2014-08-27 | 太原理工大学 | Miniaturized broadband microstrip antenna |
| CN104466418A (en) * | 2014-12-12 | 2015-03-25 | 南京大学 | Magnetic-field-adjustable half-mode substrate integrated waveguide antenna |
Non-Patent Citations (1)
| Title |
|---|
| SHWETA YADAV ET-AL: "《Design of Dual Band Sawtooth Patch Antenna Using PBG》", 《2015 2ND INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND INTEGRATED NETWORKS (SPIN)》 * |
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| Publication number | Publication date |
|---|---|
| CN110021817B (en) | 2020-08-18 |
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