CN107069203A - Miniaturization high-gain filtering is antenna integrated - Google Patents
Miniaturization high-gain filtering is antenna integrated Download PDFInfo
- Publication number
- CN107069203A CN107069203A CN201710246492.6A CN201710246492A CN107069203A CN 107069203 A CN107069203 A CN 107069203A CN 201710246492 A CN201710246492 A CN 201710246492A CN 107069203 A CN107069203 A CN 107069203A
- Authority
- CN
- China
- Prior art keywords
- microstrip line
- gain
- antenna integrated
- filtering
- miniaturization high
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/108—Combination of a dipole with a plane reflecting surface
Landscapes
- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
It is antenna integrated that the present invention discloses a kind of Miniaturization high-gain filtering.Miniaturization high-gain filtering is antenna integrated including upper and lower surface, and upper surface includes the first microstrip line, rectangle resonant ring and the second microstrip line；The lower surface includes ground, the 3rd microstrip line, the 4th microstrip line and the 5th microstrip line.The present invention in existing antenna by adding rectangle resonant ring so that antenna of the invention has with preferable filtering characteristic；One reflector is constituted by ground so that antenna of the invention has preferable radiation characteristic；By adding the 5th microstrip line one guider of formation, further raising antenna gain in the opposite side of dipole.
Description
Technical field
The present invention relates to frequency microwave communication technical field, more particularly to a kind of filtering of Miniaturization high-gain are antenna integrated.
Background technology
With the fast development of radio communication and electronic technology, the electronic equipment in system needs to meet a variety of need simultaneously
Will.In most of wireless communication systems, wave filter is typically directly connected on input or the output port of antenna.Wave filter and antenna
As two larger-size Primary Components, typically independent design, but used when wave filter and antenna are carried out cascade, it is past
It is past that impedance can be caused to lose matching.The match circuit for now needing introducing extra realizes impedance matching, and this causes system to answer
It is miscellaneous, increase weight, size and the loss of system.Therefore, wave filter and antenna are subjected to Integration Design, it is ensured that it radiates special
Property, filtering characteristic and high-gain, constitute filter antenna, then have very important significance.
However, existing filtering is antenna integrated can not to ensure good radiation characteristic, filtering characteristic and high-gain simultaneously.
The content of the invention
It is antenna integrated that the main object of the present invention provides a kind of Miniaturization high-gain filtering, it is intended to solves existing filtering collection
The technical problem of good radiation characteristic, filtering characteristic and high-gain can not be ensured simultaneously into antenna.
To achieve the above object, it is described to minimize height the invention provides a kind of filtering of Miniaturization high-gain is antenna integrated
Gain filter is antenna integrated including upper and lower surface, and the upper and lower surface is printed on dielectric-slab, it is described on
Surface includes the first microstrip line, rectangle resonant ring and the second microstrip line, and the rectangle resonant ring is arranged at the first microstrip line and the
Between two microstrip lines；Upper surface metallic vias is provided with second microstrip line；
The lower surface includes ground, the 3rd microstrip line, the 4th microstrip line and the 5th microstrip line；3rd microstrip line
One end be set to funnel type, the other end of the 3rd microstrip line is set to rectangle and connected with the lower bottom end of the funnel type
Connect to form connecting portion；The other end of 4th microstrip line and the 3rd microstrip line is arranged on the same line；Described 4th
The lower surface metal via matched with the upper surface metallic vias is provided with microstrip line；
The upper surface of the antenna is golden through the upper surface metallic vias and lower surface by metal copper post with lower surface
Belong to via to be connected so that second microstrip line, the 3rd microstrip line and the 4th microstrip line collectively form dipole；
5th microstrip line is arranged at the right side of the 3rd microstrip line and the 4th microstrip line, forms guider.
Preferably, first microstrip line and second microstrip line are " L-type " structure, including horizontal end and perpendicular end.
Preferably, the upper surface metallic vias is arranged at the horizontal end of second microstrip line away from the rectangle resonant ring
Termination.
Preferably, on the lower surface metal via is disposed in proximity to one end of the 3rd microstrip line connecting portion and is described
The corresponding position of surface metal via.
Preferably, the perpendicular end of first microstrip line and the perpendicular end of second microstrip line respectively with the rectangle resonant ring
Long side be arranged in parallel, the horizontal end of the horizontal end of first microstrip line and second microstrip line respectively with the rectangle resonant ring
Short side be arranged in parallel.
Preferably, the length at the perpendicular end of first microstrip line is identical with the length at the perpendicular end of second microstrip line, and
The length on the long side of respectively less than described rectangle resonant ring.
Preferably, horizontal end one end of first microstrip line is arranged at the upper surface left side edge of the dielectric-slab.
Preferably, the horizontal end width of the horizontal end of first microstrip line and second microstrip line is w1=1.75mm.
Preferably, the width of the 4th microstrip line is w1=1.75mm.
Preferably, the dielectric constant of the dielectric-slab is 3.66, and thickness is 0.762mm, and material is RO4350B.
Compared to prior art, Miniaturization high-gain of the present invention filters antenna integrated use above-mentioned technical proposal, reaches
Following technique effect is arrived：The present invention in existing antenna by adding rectangle resonant ring so that antenna of the invention has and had
Preferable filtering characteristic；One reflector is constituted by ground so that antenna of the invention has preferable radiation characteristic；Pass through
The 5th microstrip line, which is added, in the opposite side of dipole constitutes a guider, further raising antenna gain.
Brief description of the drawings
Fig. 1 is that the upper surface geometry and size of the antenna integrated preferred embodiment of Miniaturization high-gain filtering of the present invention show
It is intended to；
Fig. 2 is that the lower surface geometry and size of the antenna integrated preferred embodiment of Miniaturization high-gain filtering of the present invention show
It is intended to；
Fig. 3 be emulation and test that Miniaturization high-gain of the present invention filters antenna integrated preferred embodiment reflectance factor with
Gain effect figure；
Fig. 4 is the directional diagram of emulation and test that Miniaturization high-gain of the present invention filters antenna integrated preferred embodiment.
The object of the invention is realized, functional characteristics and advantage will will in the lump join in embodiment part in conjunction with the embodiments
It is described further according to accompanying drawing.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that above-mentioned purpose is taken, below in conjunction with accompanying drawing
And preferred embodiment, embodiment, structure, feature and its effect to the present invention are described in detail.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
Shown in reference picture 1, Fig. 2, Fig. 1 is the upper surface that Miniaturization high-gain of the present invention filters antenna integrated preferred embodiment
Geometry and scale diagrams；Fig. 2 is that the lower surface of the antenna integrated preferred embodiment of Miniaturization high-gain filtering of the present invention is several
What structure snd size schematic diagram.
In the present embodiment, the Miniaturization high-gain filtering is antenna integrated is printed on dielectric-slab 00, the miniaturization
High-gain filtering is antenna integrated including upper and lower surface.The dielectric constant of the dielectric-slab 00 is preferably 3.66, and thickness is excellent
Elect 0.762mm as, material is preferably RO4350B.
In the present embodiment, the Miniaturization high-gain, which filters antenna integrated upper surface, includes the first microstrip line 10, square
The microstrip line 12 of shape resonant ring 11 and second, the rectangle resonant ring 11 be arranged at the first microstrip line 10 and the second microstrip line 12 it
Between.First microstrip line 10 and second microstrip line 12 are " L-type " structure, i.e., described first microstrip line 10 and described
Two microstrip lines 12 include horizontal end and perpendicular end.The perpendicular end of first microstrip line 10 and the perpendicular end of second microstrip line 12 difference
It is be arranged in parallel with the long side of the rectangle resonant ring 11, the length at the perpendicular end of first microstrip line 10 and second microstrip line
The length at 12 perpendicular end is respectively less than the length on the long side of the rectangle resonant ring 11, the length at the perpendicular end of first microstrip line 10
It is identical with the length at the perpendicular end of second microstrip line 12.The horizontal end of first microstrip line 10 and second microstrip line 12
Short side of the horizontal end respectively with the rectangle resonant ring 11 be arranged in parallel.Horizontal end one end of first microstrip line 10 is arranged at described
The upper surface left side edge of dielectric-slab 00.Termination of the horizontal end of second microstrip line 12 away from the rectangle resonant ring 11 is set
There is upper surface metallic vias 13.The upper surface of the antenna passes through the upper surface metallic vias 13 and antenna by metal copper post
Lower surface connects (as described below).
Specifically, the horizontal end width of the horizontal end of first microstrip line 10 and second microstrip line 12 is w1, it is described
The length at the horizontal end of the first microstrip line 10 is lc, the length at the perpendicular end of first microstrip line 10 is lb, first microstrip line 10
Perpendicular end width be wb, the rectangle resonant ring 11 is micro- close to the external diameter on the long side of first microstrip line 10 and described first
The distance between external diameter at perpendicular end with line 10 is wc, the rectangle resonant ring 11 is close to the long side of second microstrip line 12
The distance between external diameter at perpendicular end of external diameter and second microstrip line 12 is wc, the width on the long side of the rectangle resonant ring 11
For wa, the outer diameter length on the long side of the rectangle resonant ring 11 is la, between the internal diameter on two long sides of the rectangle resonant ring 11
Distance be wd。
With reference to shown in Fig. 2, the Miniaturization high-gain, which filters antenna integrated lower surface, includes ground 20, the 3rd microstrip line
21st, the 4th microstrip line 22 and the 5th microstrip line 23.The ground 20 is arranged at one end on the left of the lower surface of the dielectric-slab 00,
Constitute reflector.The width on the ground 20 is l1, the length on the ground 20 is identical with the width of the dielectric-slab 00.It is described
One end of 3rd microstrip line 21 is set to funnel type 211, and the upper aperture widths of the funnel type 211 are w3, the funnel type
Lower length be l2, the other end of the 3rd microstrip line 21 be set to rectangle 212 and with the lower bottom of the funnel type 211
End connection forms connecting portion, and the connecting portion sets jagged 213, and the breach 213 is set to triangle grading structure, is conducive to
The matching of signal.The length of the other end of 3rd microstrip line 21 is l3, the width of the other end of the 3rd microstrip line 21
For w1.The other end of 4th microstrip line 22 and the 3rd microstrip line 21 is arranged on the same line.4th micro-strip
Line 22 is close to one end of the connecting portion of the 3rd microstrip line 21 and corresponding with the horizontal end port position of second microstrip line 12 sets
It is equipped with lower surface metal via 24.The width of 4th microstrip line 22 is w1。
The upper surface of the antenna and lower surface by a metal copper post through the upper surface metallic vias 13 and under
Surface metal via 24 is connected so that second microstrip line 12, the 3rd microstrip line 21 and the 4th microstrip line 22 are collectively formed
One dipole.
5th microstrip line 23 is arranged at the right side of the dipole, forms guider.5th microstrip line 23
Length is l4, the width of the 5th microstrip line 23 is w2.Between 5th microstrip line 23 and the 4th microstrip line 22 away from
From for w4。
The embodiment of the present invention causes antenna to have good filter effect by adding rectangle resonant ring 11 in existing antenna,
Possesses good filtering characteristic；One reflector is constituted by ground 20 so that antenna has the effect of orientation, possesses good
Radiation characteristic；A guider, further raising antenna are constituted by adding the 5th microstrip line 23 in the opposite side of dipole
Gain.
Illustrate that Miniaturization high-gain of the present invention filters antenna integrated technique effect with reference to specific embodiment.Reference
Shown in table 1, table 1 is that Miniaturization high-gain of the present invention filters antenna integrated preferred embodiment parameter value.
The Miniaturization high-gain of the present invention of table 1 filters antenna integrated preferred embodiment parameter value
As shown in figure 3, Fig. 3 is the emulation and test that Miniaturization high-gain of the present invention filters antenna integrated preferred embodiment
Reflectance factor and gain effect figure.The preferred embodiment is from the parameter value shown in table 1.Emulation and measured result from Fig. 3 can
To find out, Miniaturization high-gain of the present invention filters antenna integrated reflectance factor | S11| there are two resonance frequencies, resonance exists respectively
2.35GHz and 2.45GHz.This is due to that the present invention is integrated with rectangle resonant ring on the basis of existing antenna, equivalent to integrated
The wave filter of one bimodulus high selectivity, because the value of parity mode is different, causes antenna can be with resonance on two frequency bins, body
Good filtering characteristic is showed.From Fig. 3 it can also be seen that surveyed antenna gain is flat in working band, outside working band
Dramatic decrease, embodies the high selectivity of antenna.If removing rectangle resonant ring, directly connected with microstrip line, it can be seen that day
Line does not have filtering performance and Out-of-band rejection performance.
The emulation of antenna integrated preferred embodiment is filtered with testing as shown in figure 4, Fig. 4 is Miniaturization high-gain of the present invention
Directional diagram.The preferred embodiment is from the parameter value shown in table 1.From fig. 4, it can be seen that the antenna of the present invention has fixed in y directions
To effect, good radiation characteristic is embodied.The gain of emulation is 5.87dB, front and rear than being 16.3dB.Emulation and measured result
Some deviations, this is due to that the loss of connector causes with mismachining tolerance.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or the equivalent function conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of filtering of Miniaturization high-gain is antenna integrated, the antenna integrated upper surface that includes of Miniaturization high-gain filtering is with
Surface, the upper and lower surface is printed on dielectric-slab, it is characterised in that：
The upper surface includes the first microstrip line, rectangle resonant ring and the second microstrip line, and the rectangle resonant ring is arranged at first
Between microstrip line and the second microstrip line；Upper surface metallic vias is provided with second microstrip line；
The lower surface includes ground, the 3rd microstrip line, the 4th microstrip line and the 5th microstrip line；The one of 3rd microstrip line
End is set to funnel type, and the other end of the 3rd microstrip line is set to rectangle and is connected shape with the lower bottom end of the funnel type
Into connecting portion；The other end of 4th microstrip line and the 3rd microstrip line is arranged on the same line；4th micro-strip
The lower surface metal via matched with the upper surface metallic vias is provided with line；
The upper surface of the antenna passes through the upper surface metallic vias and lower surface metal mistake with lower surface by metal copper post
Hole is connected so that second microstrip line, the 3rd microstrip line and the 4th microstrip line collectively form dipole；
5th microstrip line is arranged at the right side of the 3rd microstrip line and the 4th microstrip line, forms guider.
2. Miniaturization high-gain filtering as claimed in claim 1 is antenna integrated, it is characterised in that first microstrip line and institute
It is " L-type " structure to state the second microstrip line, including horizontal end and perpendicular end.
3. Miniaturization high-gain filtering as claimed in claim 2 is antenna integrated, it is characterised in that the upper surface metallic vias
It is arranged at termination of the horizontal end away from the rectangle resonant ring of second microstrip line.
4. Miniaturization high-gain filtering as claimed in claim 3 is antenna integrated, it is characterised in that the lower surface metal via
It is disposed in proximity to one end and position corresponding with the upper surface metallic vias of the 3rd microstrip line connecting portion.
5. Miniaturization high-gain as claimed in claim 2 filtering is antenna integrated, it is characterised in that first microstrip line it is perpendicular
The long side of end and the perpendicular end of second microstrip line respectively with the rectangle resonant ring be arranged in parallel, the horizontal stroke of first microstrip line
The short side of end and the horizontal end of second microstrip line respectively with the rectangle resonant ring be arranged in parallel.
6. Miniaturization high-gain as claimed in claim 2 filtering is antenna integrated, it is characterised in that first microstrip line it is perpendicular
The length at end is identical with the length at the perpendicular end of second microstrip line, and the length on the long side of respectively less than described rectangle resonant ring.
7. Miniaturization high-gain filtering as claimed in claim 2 is antenna integrated, it is characterised in that the horizontal stroke of first microstrip line
End one end is arranged at the upper surface left side edge of the dielectric-slab.
8. Miniaturization high-gain filtering as claimed in claim 2 is antenna integrated, it is characterised in that the horizontal stroke of first microstrip line
The horizontal end width of end and second microstrip line is w1=1.75mm.
9. Miniaturization high-gain filtering as claimed in claim 1 is antenna integrated, it is characterised in that the width of the 4th microstrip line
Spend for w1=1.75mm.
10. the Miniaturization high-gain filtering as described in claim any one of 1-9 is antenna integrated, it is characterised in that the medium
The dielectric constant of plate is 3.66, and thickness is 0.762mm, and material is RO4350B.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710246492.6A CN107069203A (en) | 2017-04-15 | 2017-04-15 | Miniaturization high-gain filtering is antenna integrated |
| PCT/CN2017/107196 WO2018188304A1 (en) | 2017-04-15 | 2017-10-21 | Miniature, high-gain, integrated filter antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710246492.6A CN107069203A (en) | 2017-04-15 | 2017-04-15 | Miniaturization high-gain filtering is antenna integrated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107069203A true CN107069203A (en) | 2017-08-18 |
Family
ID=59599572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710246492.6A Withdrawn CN107069203A (en) | 2017-04-15 | 2017-04-15 | Miniaturization high-gain filtering is antenna integrated |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107069203A (en) |
| WO (1) | WO2018188304A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188303A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Integrated filter antenna |
| WO2018188302A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | High-gain filter antenna |
| WO2018188305A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Miniature integrated filter antenna |
| WO2018188304A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Miniature, high-gain, integrated filter antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0918203A (en) * | 1995-06-30 | 1997-01-17 | Nec Corp | Polar band pass filter |
| CN102800951A (en) * | 2012-08-06 | 2012-11-28 | 哈尔滨工业大学 | Printed Yagi antenna of vibrator loading type balance microstrip line feed |
| CN105070985A (en) * | 2015-07-21 | 2015-11-18 | 天津大学 | High-dielectric-constant ceramics-based microstrip dual-bandpass filter |
| CN105186118A (en) * | 2015-08-10 | 2015-12-23 | 哈尔滨工业大学 | Printed quasi-yagi antenna with parabolic boundary reflector |
| CN105449379A (en) * | 2015-11-30 | 2016-03-30 | 华南理工大学 | Filtering antenna capable of restraining high frequency harmonic waves |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533939B (en) * | 2009-04-09 | 2012-10-17 | 山西大学 | Collaboratively designed double frequency-band antenna-filter device |
| US8836596B2 (en) * | 2013-01-15 | 2014-09-16 | Cubic Corporation | Filter antenna |
| CN104681972B (en) * | 2015-02-15 | 2017-06-23 | 重庆大学 | There is the groove loading ultra-wideband monopole antenna of stabilising direction figure and good Out-of-band rejection ability simultaneously |
| CN107069203A (en) * | 2017-04-15 | 2017-08-18 | 深圳市景程信息科技有限公司 | Miniaturization high-gain filtering is antenna integrated |
-
2017
- 2017-04-15 CN CN201710246492.6A patent/CN107069203A/en not_active Withdrawn
- 2017-10-21 WO PCT/CN2017/107196 patent/WO2018188304A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0918203A (en) * | 1995-06-30 | 1997-01-17 | Nec Corp | Polar band pass filter |
| CN102800951A (en) * | 2012-08-06 | 2012-11-28 | 哈尔滨工业大学 | Printed Yagi antenna of vibrator loading type balance microstrip line feed |
| CN105070985A (en) * | 2015-07-21 | 2015-11-18 | 天津大学 | High-dielectric-constant ceramics-based microstrip dual-bandpass filter |
| CN105186118A (en) * | 2015-08-10 | 2015-12-23 | 哈尔滨工业大学 | Printed quasi-yagi antenna with parabolic boundary reflector |
| CN105449379A (en) * | 2015-11-30 | 2016-03-30 | 华南理工大学 | Filtering antenna capable of restraining high frequency harmonic waves |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188303A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Integrated filter antenna |
| WO2018188302A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | High-gain filter antenna |
| WO2018188305A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Miniature integrated filter antenna |
| WO2018188304A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Miniature, high-gain, integrated filter antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018188304A1 (en) | 2018-10-18 |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170818 |
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