CN107146945A - Three Mould Breadth bands step type slot antenna - Google Patents
Three Mould Breadth bands step type slot antenna Download PDFInfo
- Publication number
- CN107146945A CN107146945A CN201710225833.1A CN201710225833A CN107146945A CN 107146945 A CN107146945 A CN 107146945A CN 201710225833 A CN201710225833 A CN 201710225833A CN 107146945 A CN107146945 A CN 107146945A
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- CN
- China
- Prior art keywords
- hollow out
- dielectric
- rectangle hollow
- slab
- rectangle
- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
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- Waveguide Aerials (AREA)
Abstract
The present invention discloses a kind of stepped slot antenna of three Mould Breadths band, including dielectric-slab, hollow out sheet metal, L-shaped metal micro-strip line and SMA heads, the hollow out sheet metal fits in the upper surface of the dielectric-slab, and the L-shaped metal micro-strip line fits in the lower surface of the dielectric-slab；Stepped hollow out gap is etched with the hollow out sheet metal, the stepped hollow out gap is sequentially connected and constituted by the first rectangle hollow out, the second rectangle hollow out, the 3rd rectangle hollow out, the 4th rectangle hollow out and the 5th rectangle hollow out；The transverse part of the L-shaped metal micro-strip line is parallel with the long side of the lower surface of the dielectric-slab, and the vertical part of the L-shaped metal micro-strip line is vertical with the long side of the lower surface of the dielectric-slab；Described SMA is fixedly arranged on the dielectric-slab, and the hollow out sheet metal is electrically connected with the earth terminal of SMA, and the L-shaped metal micro-strip line is electrically connected with the feed end of SMA.The present invention can increase a mode of resonance, three frequencies can be covered simultaneously compared to traditional slot antenna.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of stepped slot antenna of three Mould Breadths band.
Background technology
For the ease of communication terminal and the large-scale promotion application of radio-frequency recognition system, the financial cost of terminal or system and
Volume size is all vital Consideration, as the antenna of wherein important component, before superior performance index is ensured
Put, it is necessary to be required for multifrequency, broadband, miniaturization.For traditional slot antenna, presented using microstrip line in slot edge
When electric, two fundamental resonance patterns can be produced, by the frequency spacing for tuning the two fundamental resonance patterns, it is possible to achieve wide
Band Antenna Design.However, the traditional slot antenna of prior art, the technologies of three fundamental resonance patterns can not be produced and ask by existing
Topic.
The content of the invention
The main object of the present invention provides a kind of three Mould Breadths band stepped slot antenna, it is intended to solve existing slot antenna
The technical problem of three fundamental resonance patterns can not be produced.
To achieve the above object, the invention provides a kind of stepped slot antenna of three Mould Breadths band, including dielectric-slab, hollow out
Sheet metal, L-shaped metal micro-strip line and SMA heads, the hollow out sheet metal fit in the upper surface of the dielectric-slab, the L-shaped gold
Category microstrip line fits in the lower surface of the dielectric-slab；Stepped hollow out gap, the rank are etched with the hollow out sheet metal
Engraved by the first rectangle hollow out, the second rectangle hollow out, the 3rd rectangle hollow out, the 4th rectangle hollow out and the 5th rectangle in ladder type hollow out gap
Sky is sequentially connected composition；The transverse part of the L-shaped metal micro-strip line is parallel with the long side of the lower surface of the dielectric-slab, the L-shaped
The vertical part of metal micro-strip line is vertical with the long side of the lower surface of the dielectric-slab；Described SMA is fixedly arranged on the dielectric-slab, institute
The earth terminal that hollow out sheet metal is stated with SMA is electrically connected, and the L-shaped metal micro-strip line is electrically connected with the feed end of SMA.
It is preferred that, the first rectangle hollow out, the second rectangle hollow out, the 3rd rectangle hollow out, the 4th rectangle hollow out and the 5th
The broadside of rectangle hollow out and the broadside axis parallel of the upper surface of the dielectric-slab；The first rectangle hollow out, the second rectangle
Hollow out, the 3rd rectangle hollow out, the 4th rectangle hollow out and the 5th rectangle hollow out are symmetrical on the broadside axis.
It is preferred that, the stepped slot antenna of the three Mould Breadths band is rectangular parallelepiped structure, the hollow out sheet metal and L-shaped metal
Microstrip line is copper.
It is preferred that, the dielectric-slab is FR4 medium substrate, and the thickness of the dielectric-slab is 0.8mm and dielectric constant is
4.4。
It is preferred that, the length of the dielectric-slab and hollow out sheet metal is 74mm, the dielectric-slab and hollow out sheet metal width
Spend for 106mm；The length of the first rectangle hollow out is 52mm, and the width of the first rectangle hollow out is 44mm；Described second
The length of rectangle hollow out is 32mm, and the width of the second rectangle hollow out is 6mm；The length of the 3rd rectangle hollow out is
6.7mm, the width of the 3rd rectangle hollow out is 10.5mm；The length of the 4th rectangle hollow out is 2.6mm, the 4th square
The width of shape hollow out is 17.7mm；The length of the 5th rectangle hollow out is 9.6mm, and the width of the 5th rectangle hollow out is
1.5mm。
It is preferred that, the distance of the lower long edges and the lower long edges of the upper surface of the dielectric-slab in stepped hollow out gap is
6.3mm。
It is preferred that, the width of the L-shaped metal micro-strip line is 1.32mm, the length of the transverse part of the L-shaped metal micro-strip line
For 27.6mm, the vertical part length of the L-shaped metal micro-strip line is 11.32mm.
It is preferred that, the vertical part of the L-shaped metal micro-strip line and the distance of the left side broadside of the lower surface of the dielectric-slab are
20.4mm。
Compared to prior art, the stepped slot antenna of three Mould Breadths band of the invention is by setting stepped hollow out gap humorous
Shake, and utilize feed microstrip line, three modes of resonance can be produced, a resonant mode more than traditional bimodulus slot antenna
Formula.The present invention can increase a mode of resonance, can produce three fundamental resonance moulds compared to traditional bimodulus slot antenna
Formula, realizes the stepped slot antenna of three Mould Breadth bands.
Brief description of the drawings
Fig. 1 is the structural representation of the stepped slot antenna preferred embodiment of three Mould Breadths band of the invention；
Fig. 2 is the structural representation of the hollow out sheet metal preferred embodiment of the stepped slot antenna of three Mould Breadths band of the invention；
Fig. 3 is the structural representation of the L-shaped metal micro-strip line preferred embodiment of the stepped slot antenna of three Mould Breadths band of the invention
Figure；
Fig. 4 is the reflectance factor simulation result schematic diagram of the stepped slot antenna of three Mould Breadths band of the invention；
Fig. 5 is the reflectance factor simulation result schematic diagram of the stepped slot antenna L0 parameters of three Mould Breadths band of the invention；
Fig. 6 is the reflectance factor simulation result schematic diagram of the stepped slot antenna d1 parameters of three Mould Breadths band of the invention；
Fig. 7 is the reflectance factor simulation result schematic diagram of the stepped slot antenna W4 parameters of three Mould Breadths band of the invention.
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. 1 is the planar structure signal of the stepped slot antenna preferred embodiment of three Mould Breadths band of the invention
Figure.In the present embodiment, the stepped slot antenna 1 of three Mould Breadth bands, including dielectric-slab 10, hollow out sheet metal 20, L-shaped metal micro-strip
Line 30 and SMA (Sub-Miniature-A) first 40.The stepped slot antenna 1 of the three Mould Breadths band is rectangular parallelepiped structure (in Fig. 1
Illustrate only floor map), the hollow out sheet metal 20 and L-shaped metal micro-strip line 30 are copper.The dielectric-slab 10 is
FR4 medium substrate, the thickness of dielectric-slab 10 is 0.8mm and dielectric constant is preferably 4.4.The SMA first 40 is coaxially to connect
Connect device.The hollow out sheet metal 20 fits in the upper surface of the dielectric-slab 10, and the L-shaped metal micro-strip line 30 fits in described
The lower surface of dielectric-slab 10；Stepped hollow out gap 21, the stepped hollow out gap are etched with the hollow out sheet metal 20
21 by the first rectangle hollow out 211, the second rectangle hollow out 212, the 3rd rectangle hollow out 213, the 4th rectangle hollow out 214 and the 5th rectangle
Hollow out 215 is sequentially connected composition；Put down on the long side of the transverse part 31 of the L-shaped metal micro-strip line and the lower surface of the dielectric-slab 10
OK, the vertical part 32 of the L-shaped metal micro-strip line is vertical with the long side of the lower surface of the dielectric-slab 10；The SMA first 40 is worn
In on the dielectric-slab 10, the hollow out sheet metal 20 is electrically connected with SMA first 40 earth terminal, the L-shaped metal micro-strip line 30
Electrically connected with SMA first 40 feed end.
As the preferred embodiments of the present invention, the vertical part 32 of the L-shaped metal micro-strip line extends to the dielectric-slab 10
The long side in bottom of lower surface, the SMA first 40 is arranged under the vertical part 32 of the L-shaped metal micro-strip line and the dielectric-slab 10
On the dielectric-slab 10 of the long side intersection location in bottom on surface, the first feed port is formed.
The stepped slot antenna of three Mould Breadth bands of the invention utilizes microstrip line by setting stepped hollow out gap resonance
Feed, can produce three modes of resonance, a mode of resonance more than traditional bimodulus slot antenna.Therefore, the present invention is compared
In traditional bimodulus slot antenna, a mode of resonance can be increased, three fundamental resonance patterns can be produced, three Mould Breadths are realized
The stepped slot antenna of band.
Shown in reference picture 2, Fig. 2 is that the structure of the hollow out sheet metal preferred embodiment of the stepped slot antenna of three Mould Breadth bands is shown
It is intended to.In the present embodiment, the first rectangle hollow out 211, the second rectangle hollow out 212, the 3rd rectangle hollow out 213, the 4th square
The broadside of the rectangle hollow out 215 of shape hollow out 214 and the 5th and the broadside axis parallel of the upper surface of the dielectric-slab 10；Described
One rectangle hollow out 211, the second rectangle hollow out 212, the 3rd rectangle hollow out 213, the 4th rectangle hollow out 214 and the 5th rectangle hollow out
214 is symmetrical on the broadside axis.
The length W of the dielectric-slab 10 and hollow out sheet metal 20 is 74mm, the dielectric-slab 10 and hollow out sheet metal 20
Width L is 106mm；The length W0 of the first rectangle hollow out 211 is 52mm, and the width L0 of the first rectangle hollow out 211 is
44mm；The length W1 of the second rectangle hollow out 212 is 32mm, and the width L1 of the second rectangle hollow out 212 is 6mm；It is described
The length W2 of 3rd rectangle hollow out 213 is 6.7mm, and the width L2 of the 3rd rectangle hollow out 213 is 10.5mm；4th square
The length W3 of shape hollow out 214 is 2.6mm, and the width L3 of the 4th rectangle hollow out 214 is 17.7mm；The 5th rectangle hollow out
215 length W4 is 9.6mm, and the width L4 of the 5th rectangle hollow out 215 is 1.5mm.The stepped hollow out gap 21
Lower long edges are 6.3mm apart from dx with the lower long edges of the upper surface of the dielectric-slab 10.
Shown in reference picture 3, Fig. 3 is the knot of the L-shaped metal micro-strip line preferred embodiment of the stepped slot antenna of three Mould Breadth bands
Structure schematic diagram.The width WP1 of the L-shaped metal micro-strip line 30 is 1.32mm, the length of the transverse part 31 of the L-shaped metal micro-strip line
D2 is 27.6mm, and the length d1 of the vertical part 32 of the L-shaped metal micro-strip line is 11.32mm.The vertical part of the L-shaped metal micro-strip line
32 be 20.4mm apart from d0 with the left side broadside of the lower surface of the dielectric-slab 10.
With reference to shown in Fig. 4, Fig. 4 is the reflectance factor simulation result signal of the stepped slot antenna of three Mould Breadths band of the invention
Figure.From fig. 4, it can be seen that the reflectance factor of the stepped slot antenna 1 of the three Mould Breadths band is below -10dB, working frequency can
To cover 1.15GHz to 2.93GHz, tri- modes of resonance of fm1, fm2, fm3 are realized, relative bandwidth can reach 86.9%,
Realize broadband performance.
With reference to shown in Fig. 5, Fig. 5 is the reflectance factor simulation result of the stepped slot antenna L0 parameters of three Mould Breadths band of the invention
Schematic diagram.From figure 5 it can be seen that the width L0 by adjusting the first rectangle hollow out 211, it is possible to achieve to the only of fm2
Vertical tuning, it may thus be appreciated that fm2 is the fundamental resonance frequency of the gap resonator.
With reference to shown in Fig. 6, Fig. 6 is the reflectance factor simulation result of the stepped slot antenna d1 parameters of three Mould Breadths band of the invention
Schematic diagram.From fig. 6 it can be seen that the length d1 of the vertical part 32 by adjusting L-shaped metal micro-strip line, it is possible to achieve to fm3's
Independent tuning, is produced it may thus be appreciated that fm3 is the virtual short gap resonator formed in gap.
With reference to shown in Fig. 7, Fig. 7 is the reflectance factor simulation result of the stepped slot antenna W4 parameters of three Mould Breadths band of the invention
Schematic diagram.It can be seen from figure 7 that the length W4 by adjusting the 5th rectangle hollow out 215, three Mould Breadths band step type seam
Gap antenna 1 forms a new resonant frequency fm1 at low frequency relative to traditional slot antenna, can be described by regulation
5th rectangle engraves 215 length W4 to realize the tuning to fm1.
The stepped slot antenna of three Mould Breadth bands of the invention utilizes microstrip line by setting stepped hollow out gap resonance
Feed, can be achieved working frequency covering 1.15GHz to 2.93GHz, realizes tri- modes of resonance of fm1, fm2, fm3, opposite band
It is wide to reach 86.9%, realize the stepped slot antenna of broadband performance.
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 (8)
1. a kind of stepped slot antenna of three Mould Breadths band, including dielectric-slab, hollow out sheet metal, L-shaped metal micro-strip line and SMA heads,
It is characterized in that：
The hollow out sheet metal fits in the upper surface of the dielectric-slab, and the L-shaped metal micro-strip line fits in the dielectric-slab
Lower surface；
Stepped hollow out gap is etched with the hollow out sheet metal, the stepped hollow out gap is by the first rectangle hollow out,
Two rectangle hollow outs, the 3rd rectangle hollow out, the 4th rectangle hollow out and the 5th rectangle hollow out are sequentially connected composition；
The transverse part of the L-shaped metal micro-strip line is parallel with the long side of the lower surface of the dielectric-slab, the L-shaped metal micro-strip line
Vertical part is vertical with the long side of the lower surface of the dielectric-slab；
Described SMA is fixedly arranged on the dielectric-slab, and the hollow out sheet metal is electrically connected with the earth terminal of SMA, the L-shaped gold
Category microstrip line is electrically connected with the feed end of SMA.
2. the stepped slot antenna of three Mould Breadths band as claimed in claim 1, it is characterised in that the first rectangle hollow out, the
Two rectangle hollow outs, the 3rd rectangle hollow out, the upper surface of the broadside of the 4th rectangle hollow out and the 5th rectangle hollow out and the dielectric-slab
Broadside axis parallel；The first rectangle hollow out, the second rectangle hollow out, the 3rd rectangle hollow out, the 4th rectangle hollow out and
Five rectangle hollow outs are symmetrical on the broadside axis.
3. the stepped slot antenna of three Mould Breadths band as claimed in claim 1, it is characterised in that the three Mould Breadths band step type seam
Gap antenna is rectangular parallelepiped structure, and the hollow out sheet metal and L-shaped metal micro-strip line are copper.
4. the stepped slot antenna of three Mould Breadths band as claimed in claim 1, it is characterised in that the dielectric-slab is FR4 Jie
Matter substrate, the thickness of the dielectric-slab is 0.8mm and dielectric constant is 4.4.
5. the stepped slot antenna of three Mould Breadth bands as described in claim any one of 1-4, it is characterised in that the dielectric-slab and
The length of hollow out sheet metal is 74mm, and the width of the dielectric-slab and hollow out sheet metal is 106mm；The first rectangle hollow out
Length is 52mm, and the width of the first rectangle hollow out is 44mm；The length of the second rectangle hollow out is 32mm, described second
The width of rectangle hollow out is 6mm；The length of the 3rd rectangle hollow out is 6.7mm, and the width of the 3rd rectangle hollow out is
10.5mm；The length of the 4th rectangle hollow out is 2.6mm, and the width of the 4th rectangle hollow out is 17.7mm；Described 5th
The length of rectangle hollow out is 9.6mm, and the width of the 5th rectangle hollow out is 1.5mm.
6. the stepped slot antenna of three Mould Breadths band as claimed in claim 5, it is characterised in that the stepped hollow out gap
The distance of lower long edges and the lower long edges of the upper surface of the dielectric-slab is 6.3mm.
7. the stepped slot antenna of three Mould Breadths band as claimed in claim 6, it is characterised in that the L-shaped metal micro-strip line
Width is 1.32mm, and the length of the transverse part of the L-shaped metal micro-strip line is 27.6mm, and the vertical part of the L-shaped metal micro-strip line is long
Spend for 11.32mm.
8. the stepped slot antenna of three Mould Breadths band as claimed in claim 7, it is characterised in that the L-shaped metal micro-strip line
The distance of vertical part and the left side broadside of the lower surface of the dielectric-slab is 20.4mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225833.1A CN107146945A (en) | 2017-04-07 | 2017-04-07 | Three Mould Breadth bands step type slot antenna |
| PCT/CN2017/101988 WO2018184358A1 (en) | 2017-04-07 | 2017-09-16 | Three-mode wideband stepped-slot antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225833.1A CN107146945A (en) | 2017-04-07 | 2017-04-07 | Three Mould Breadth bands step type slot antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107146945A true CN107146945A (en) | 2017-09-08 |
Family
ID=59774600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710225833.1A Withdrawn CN107146945A (en) | 2017-04-07 | 2017-04-07 | Three Mould Breadth bands step type slot antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107146945A (en) |
| WO (1) | WO2018184358A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018184370A1 (en) * | 2017-04-07 | 2018-10-11 | 深圳市景程信息科技有限公司 | Stepped and slotted tri-mode wide-band antenna using microstrip feed |
| WO2018184358A1 (en) * | 2017-04-07 | 2018-10-11 | 深圳市景程信息科技有限公司 | Three-mode wideband stepped-slot antenna |
| CN110474161A (en) * | 2019-09-29 | 2019-11-19 | 集美大学 | A kind of ultra-wideband antenna of gap loaded microstrip structure |
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| CN101697380A (en) * | 2009-10-09 | 2010-04-21 | 清华大学 | Dual-polarized built-in slot antenna used for mobile terminal of wireless local area network |
| CN105680165A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Radiator |
| CN106486763A (en) * | 2016-11-24 | 2017-03-08 | 华南理工大学 | A kind of pocket super-broadband MIMO rectigradation formula slot antenna |
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| CN101345345B (en) * | 2008-09-09 | 2012-02-22 | 南京邮电大学 | Ultra-broadband half-lap antipodal slit antenna and preparation thereof |
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| CN104241827B (en) * | 2014-09-18 | 2016-07-27 | 厦门大学 | A kind of multifrequency compatibility stacked microstrip antenna |
| CN107146945A (en) * | 2017-04-07 | 2017-09-08 | 深圳市景程信息科技有限公司 | Three Mould Breadth bands step type slot antenna |
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- 2017-04-07 CN CN201710225833.1A patent/CN107146945A/en not_active Withdrawn
- 2017-09-16 WO PCT/CN2017/101988 patent/WO2018184358A1/en active Application Filing
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| CN101697380A (en) * | 2009-10-09 | 2010-04-21 | 清华大学 | Dual-polarized built-in slot antenna used for mobile terminal of wireless local area network |
| CN105680165A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Radiator |
| CN106486763A (en) * | 2016-11-24 | 2017-03-08 | 华南理工大学 | A kind of pocket super-broadband MIMO rectigradation formula slot antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018184370A1 (en) * | 2017-04-07 | 2018-10-11 | 深圳市景程信息科技有限公司 | Stepped and slotted tri-mode wide-band antenna using microstrip feed |
| WO2018184358A1 (en) * | 2017-04-07 | 2018-10-11 | 深圳市景程信息科技有限公司 | Three-mode wideband stepped-slot antenna |
| CN110474161A (en) * | 2019-09-29 | 2019-11-19 | 集美大学 | A kind of ultra-wideband antenna of gap loaded microstrip structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018184358A1 (en) | 2018-10-11 |
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Application publication date: 20170908 |