CN109004354A - A kind of band folding buttock line p-shaped structural antenna - Google Patents
A kind of band folding buttock line p-shaped structural antenna Download PDFInfo
- Publication number
- CN109004354A CN109004354A CN201810890185.6A CN201810890185A CN109004354A CN 109004354 A CN109004354 A CN 109004354A CN 201810890185 A CN201810890185 A CN 201810890185A CN 109004354 A CN109004354 A CN 109004354A
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- patch
- rectangular
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- side radiation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The present invention, which discloses, has invented a kind of band folding buttock line p-shaped structural antenna.It includes left side radiation patch, right side radiation patch, microstrip feed line, medium substrate, earth plate.The upper surface of FR4 medium substrate is equipped with left side radiation patch, and right side radiation patch, microstrip feed line, the lower surface of substrate is equipped with the rectangular metal earth plate for having rectangular slot；Left side radiation patch is folded by ten rectangular patches, and right side radiation patch is semi-circular shape paster structure；Left side radiation patch is connected with the upper end of microstrip feed line, p-shaped structure is connected to form on the right side of the upper end of right side radiation patch and microstrip feed line, the bottom end of microstrip feed line is connected with the bottom end of medium substrate, and the bottom end of rectangular metal earth plate is connected with the bottom end of substrate, and antenna feed point is located at microstrip feed line bottom end.A kind of band of the invention, which folds buttock line p-shaped structural antenna, has loss low, and radiation characteristic is good, multiband, advantages of simple structure and simple, meets wireless communication needs.
Description
Technical field
The present invention relates to patch antenna design fields more particularly to a kind of band to fold buttock line p-shaped structural antenna.
Background technique
Due to flourishing for Information of Science and Technology, the progress of wireless communication technique is driven, mobile communications device becomes
The tool of communications of modern's indispensability.Therefore, function of cellular phone demand is also increasingly increased.Since the electric wave of wireless communication is necessary
Raising frequency, carrier wave can just do effective multiplexing transmission, so these movements must just can be carried out by antenna.Therefore antenna is
Considerable element in wireless telecom equipment.Antenna is usually to be made of RF component and its fixed bracket of matrix.Radio frequency member
Part is the metalwork or flexible printed circuit board or printed circuit board of certain shapes.Recently mold interconnecting circuit element has been developed
The manufacturing technology of antenna, to configure antenna on the casing of mobile communications device.The production master of mold interconnecting circuit element antenna
If the metal layer of antenna is formed by chemical plating mode on injection moulding plastic part surface.
The most basic structure of microstrip antenna is exactly the additional thin metal patch on the dielectric substrate of metal covering with ground, is passed through
Certain feeding classification, the areas of dielectric underexcitation between patch and grounding metal plane play radio frequency electromagnetic field, this passes through patch
The gap that edge and ground plane are formed is to external radiation.In view of some special performance requirements and installation in practical applications
The limitation of environment, for example, effectively to inhibit interfering with each other between signal, some antenna requirements work in single frequency range.For this purpose,
Microstrip antenna with different shape radiation patch is studied, and designs the micro-strip that can be suitable for different application with this
Antenna just seems especially urgent and significant.
Summary of the invention
The present invention provides a kind of band folding buttock line p-shaped structural antenna to overcome the shortage of prior art.
In order to achieve the above object, technical scheme is as follows:
Band folds buttock line p-shaped structural antenna, it is characterised in that including left side radiation patch, right side radiation patch, microstrip feed line, Jie
Matter substrate, earth plate.The upper surface of FR4 medium substrate is equipped with left side radiation patch, right side radiation patch, microstrip feed line, substrate
Lower surface be equipped with one have rectangular slot rectangular metal earth plate；Left side radiation patch folded by ten rectangular patches and
At right side radiation patch is semi-circular shape paster structure；Left side radiation patch is connected with the upper end of microstrip feed line, right side radiation patch
It is connected to form p-shaped structure on the right side of the upper end of piece and microstrip feed line, the bottom end of microstrip feed line is connected with the bottom end of medium substrate, rectangle
The bottom end of metal ground plate is connected with the bottom end of substrate, and antenna feed point is located at microstrip feed line bottom end.
The FR4 medium substrate length is 28 ~ 38mm, and width is 17 ~ 23mm, with a thickness of 1.6 ~ 2.4mm.The left side
Side radiation patch is folded by ten rectangular patches, and the width of the first rectangular patch is 0.6mm ~ 1.0mm, length be 6mm ~
9mm, the width of the second rectangular patch are 0.6mm ~ 1.0mm, and length is 0.6mm ~ 1.5mm, and the width of third rectangular patch is
0.6mm ~ 1.0mm, length are 5.4mm ~ 6.2mm, and the width of the 4th rectangular patch is 0.6mm ~ 1.0mm, length be 0.6mm ~
1.5mm, the width of the 5th rectangular patch are 0.6mm ~ 1.0mm, and length is 5.4mm ~ 6.2mm, and the width of the 6th rectangular patch is
0.6mm ~ 1.0mm, length are 0.6mm ~ 1.5mm, and the width of the 7th rectangular patch is 0.6mm ~ 1.0mm, length be 5.4mm ~
6.2mm, the width of the 8th rectangular patch are 0.6mm ~ 1.0mm, and length is 0.6mm ~ 1.5mm, and the width of the 9th rectangular patch is
0.6mm ~ 1.0mm, length are 5.4mm ~ 6.2mm, and the width of the tenth rectangular patch is 0.6mm ~ 1.0mm, length be 1.5mm ~
2.5mm.The right side radiation patch is a semi-circular shape patch, and internal diameter is 4mm ~ 6mm, and outer diameter is 10mm ~ 13mm.Institute
The width for the microstrip feed line stated is 2mm ~ 4mm, a length of 17mm ~ 20mm, left side radiation patch and right side radiation patch and microstrip feed line
Distance of the tie point apart from microstrip feed line bottom end be 10mm ~ 12mm.The width of the rectangular metal earth plate be 17mm ~
23mm, a length of 6 ~ 10mm, the width of rectangular slot are 1mm ~ 3mm, a length of 1mm ~ 3mm.Rectangular slot is apart from rectangular metal earth plate
Right side is 3mm ~ 5mm.
Detailed description of the invention
Fig. 1 is that band folds buttock line p-shaped structural antenna structural schematic diagram；
Fig. 2 is that band folds buttock line p-shaped structural antenna structure bottom view；
Fig. 3 is with the S11 performance curve for folding buttock line p-shaped structural antenna；
The current distribution of antenna when Fig. 4 is 2.45GHz frequency；
The current distribution of antenna when Fig. 5 is 3.55GHz frequency；
The current distribution of antenna when Fig. 6 is 5.45GHz frequency；
The directional diagram of antenna when Fig. 7 is 2.45GHz frequency；
The directional diagram of antenna when Fig. 8 is 3.55GHz frequency；
The directional diagram of antenna when Fig. 9 is 5.45GHz frequency.
Specific embodiment
As shown in Figure 1 and 2, it includes left side radiation patch 1, right side radiation patch 2, micro-strip that band, which folds buttock line p-shaped structural antenna,
Feeder line 3, medium substrate 4, earth plate 5.The upper surface of FR4 medium substrate 4 be equipped with left side radiation patch 1, right side radiation patch 2,
Microstrip feed line 3, the lower surface of substrate are equipped with the rectangular metal earth plate 5 for having rectangular slot 6；Left side radiation patch 1 by
Ten rectangular patches fold, and right side radiation patch 2 is semi-circular shape paster structure；Left side radiation patch 1 and microstrip feed line 3
Upper end be connected, be connected to form p-shaped structure, the bottom end of microstrip feed line 3 on the right side of the upper end of right side radiation patch 2 and microstrip feed line 3
It is connected with the bottom end of medium substrate 4, the bottom end of rectangular metal earth plate 5 is connected with the bottom end of substrate 4, and antenna feed point is located at micro-
3 bottom end of ribbon feeder.
4 length of FR4 medium substrate is 28 ~ 38mm, and width is 17 ~ 23mm, with a thickness of 1.6 ~ 2.4mm.Left side spoke
Patch 1 to be penetrated to be folded by ten rectangular patches, the width of the first rectangular patch is 0.6mm ~ 1.0mm, and length is 6mm ~ 9mm,
The width of second rectangular patch is 0.6mm ~ 1.0mm, and length is 0.6mm ~ 1.5mm, the width of third rectangular patch be 0.6mm ~
1.0mm, length are 5.4mm ~ 6.2mm, and the width of the 4th rectangular patch is 0.6mm ~ 1.0mm, and length is 0.6mm ~ 1.5mm, the
The width of five rectangular patches is 0.6mm ~ 1.0mm, and length is 5.4mm ~ 6.2mm, the width of the 6th rectangular patch be 0.6mm ~
1.0mm, length are 0.6mm ~ 1.5mm, and the width of the 7th rectangular patch is 0.6mm ~ 1.0mm, and length is 5.4mm ~ 6.2mm, the
The width of eight rectangular patches is 0.6mm ~ 1.0mm, and length is 0.6mm ~ 1.5mm, the width of the 9th rectangular patch be 0.6mm ~
1.0mm, length are 5.4mm ~ 6.2mm, and the width of the tenth rectangular patch is 0.6mm ~ 1.0mm, and length is 1.5mm ~ 2.5mm.Institute
The right side radiation patch 2 stated is a semi-circular shape patch, and internal diameter is 4mm ~ 6mm, and outer diameter is 10mm ~ 13mm.Described is micro-
The width of ribbon feeder 3 is 2mm ~ 4mm, a length of 17mm ~ 20mm, left side radiation patch 1 and right side radiation patch 2 and microstrip feed line 3
Distance of the tie point apart from 3 bottom end of microstrip feed line is 10mm ~ 12mm.The width of the rectangular metal earth plate 5 be 17mm ~
23mm, a length of 6 ~ 10mm, the width of rectangular slot 6 are 1mm ~ 3mm, a length of 1mm ~ 3mm.Rectangular slot 6 is grounded apart from rectangular metal
It is 3mm ~ 5mm on the right side of plate 5.
Embodiment 1
Band folds buttock line p-shaped structural antenna:
Antenna is optimized by simulation software CST and simulation analysis, finally obtains the optimized dimensions of antenna.FR4 is situated between
Matter substrate length is 31mm, width 20mm, with a thickness of 1.6mm.Left side radiation patch is folded by ten rectangular patches, the
The width of one rectangular patch is 0.8mm, and length 7.5mm, the width of the second rectangular patch is 0.8mm, length 1mm, third
The width of rectangular patch is 0.8mm, and length 5.8mm, the width of the 4th rectangular patch is 0.8mm, length 1mm, the 5th square
The width of shape patch is 0.8mm, and length 5.8mm, the width of the 6th rectangular patch is 0.8mm, length 1mm, the 7th rectangle
The width of patch is 0.8mm, and length 5.8mm, the width of the 8th rectangular patch is 0.8mm, length 1mm, the 9th rectangle patch
The width of piece is 0.8mm, and length 5.8mm, the width of the tenth rectangular patch is 0.8mm, length 2mm.Right side radiation patch
For a semi-circular shape patch, internal diameter 5mm, outer diameter 11mm.The width of microstrip feed line is 3mm, a length of 18.5mm, left side spoke
Penetrating distance of the tie point of patch and right side radiation patch and microstrip feed line apart from microstrip feed line bottom end is 11mm.Rectangular metal connects
The width on floor is 20mm, and a length of 8mm, the width of rectangular slot is 2mm, a length of 2.5mm.Rectangular slot is apart from rectangular metal earth plate
Right side is 4mm.Performance indexes with the p-shaped structural antenna for folding buttock line is tested using CST software, resulting reflection
Coefficient curve such as attached drawing 3.As seen from the figure, -10dB working frequency range below be 2.39GHz~2.52GHz, 3.3GHz~
4.47GHz and 5.15GHz~6.0GHz.
Wherein Fig. 4 indicates the current distribution of antenna when 2.45GHz frequency, and Fig. 5 indicates the electric current of antenna when 3.55GHz frequency
Distribution, Fig. 6 indicate the current distribution of antenna when 5.45GHz frequency, and Fig. 7 indicates the directional diagram of antenna, Fig. 8 when 2.45GHz frequency
Indicate that the directional diagram of antenna when 3.55GHz frequency, Fig. 9 indicate the directional diagram of antenna when 5.45GHz frequency.
Claims (6)
1. a kind of band folds buttock line p-shaped structural antenna, it is characterised in that including left side radiation patch (1), right side radiation patch
(2), microstrip feed line (3), medium substrate (4), earth plate (5)；The upper surface of FR4 medium substrate (4) is equipped with left side radiation patch
(1), right side radiation patch (2), microstrip feed line (3), the lower surface of substrate are equipped with the rectangular metal for having rectangular slot (6)
Earth plate (5)；Left side radiation patch (1) is folded by ten rectangular patches, and right side radiation patch (2) is semi-circular shape patch
Structure；Left side radiation patch (1) is connected with the upper end of microstrip feed line (3), and right side radiation patch (2) is upper with microstrip feed line (3)
End right side is connected to form p-shaped structure, and the bottom end of microstrip feed line (3) is connected with the bottom end of medium substrate (4), rectangular metal earth plate
(5) bottom end is connected with the bottom end of substrate (4), and antenna feed point is located at microstrip feed line (3) bottom end.
2. a kind of band as described in claim 1 folds buttock line p-shaped structural antenna, it is characterised in that FR4 medium substrate (4) length
For 28 ~ 38mm, width is 17 ~ 23mm, with a thickness of 1.6 ~ 2.4mm.
3. a kind of band as described in claim 1 folds buttock line p-shaped structural antenna, it is characterised in that left side radiation patch (1) by
Ten rectangular patches fold, and the width of the first rectangular patch is 0.6mm ~ 1.0mm, and length is 6mm ~ 9mm, the second rectangle patch
The width of piece is 0.6mm ~ 1.0mm, and length is 0.6mm ~ 1.5mm, and the width of third rectangular patch is 0.6mm ~ 1.0mm, length
For 5.4mm ~ 6.2mm, the width of the 4th rectangular patch is 0.6mm ~ 1.0mm, and length is 0.6mm ~ 1.5mm, the 5th rectangular patch
Width be 0.6mm ~ 1.0mm, length is 5.4mm ~ 6.2mm, and the width of the 6th rectangular patch is 0.6mm ~ 1.0mm, and length is
0.6mm ~ 1.5mm, the width of the 7th rectangular patch are 0.6mm ~ 1.0mm, and length is 5.4mm ~ 6.2mm, the 8th rectangular patch
Width is 0.6mm ~ 1.0mm, and length is 0.6mm ~ 1.5mm, and the width of the 9th rectangular patch is 0.6mm ~ 1.0mm, and length is
5.4mm ~ 6.2mm, the width of the tenth rectangular patch are 0.6mm ~ 1.0mm, and length is 1.5mm ~ 2.5mm.
4. a kind of band as described in claim 1 folds buttock line p-shaped structural antenna, it is characterised in that right side radiation patch (2) is
One semi-circular shape patch, internal diameter are 4mm ~ 6mm, and outer diameter is 10mm ~ 13mm.
5. a kind of band as described in claim 1 folds buttock line p-shaped structural antenna, it is characterised in that the width of microstrip feed line (3) is
The tie point of 2mm ~ 4mm, a length of 17mm ~ 20mm, left side radiation patch (1) and right side radiation patch (2) and microstrip feed line (3) away from
It is 10mm ~ 12mm with a distance from microstrip feed line (3) bottom end.
6. a kind of band as described in claim 1 folds buttock line p-shaped structural antenna, it is characterised in that rectangular metal earth plate (5)
Width be 17mm ~ 23mm, a length of 6 ~ 10mm, the width of rectangular slot (6) is 1mm ~ 3mm, a length of 1mm ~ 3mm；Rectangular slot (6) away from
It is 3mm ~ 5mm from rectangular metal earth plate (5) right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890185.6A CN109004354A (en) | 2018-08-07 | 2018-08-07 | A kind of band folding buttock line p-shaped structural antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890185.6A CN109004354A (en) | 2018-08-07 | 2018-08-07 | A kind of band folding buttock line p-shaped structural antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109004354A true CN109004354A (en) | 2018-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810890185.6A Pending CN109004354A (en) | 2018-08-07 | 2018-08-07 | A kind of band folding buttock line p-shaped structural antenna |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985960A (en) * | 2014-05-20 | 2014-08-13 | 中国舰船研究设计中心 | Double-band filter antenna with anti-interference feature |
| CN203942017U (en) * | 2014-05-29 | 2014-11-12 | 华南理工大学 | A kind of imitative biology three frequency band monopole antennas |
| CN104733857A (en) * | 2015-03-26 | 2015-06-24 | 电子科技大学 | Miniaturized high-isolation dual-band MOMO antenna |
| US20160294057A1 (en) * | 2015-03-30 | 2016-10-06 | Hung-Hsien Chiu | Multi-Arm Trap Antenna |
| CN106469849A (en) * | 2016-09-30 | 2017-03-01 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of multi-frequency monopole sub-antenna dividing shape to radiate Bending minor matters with KOCH |
| CN106876954A (en) * | 2015-12-14 | 2017-06-20 | 哈尔滨飞羽科技有限公司 | A kind of new monopole ultra-wideband antenna |
-
2018
- 2018-08-07 CN CN201810890185.6A patent/CN109004354A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985960A (en) * | 2014-05-20 | 2014-08-13 | 中国舰船研究设计中心 | Double-band filter antenna with anti-interference feature |
| CN203942017U (en) * | 2014-05-29 | 2014-11-12 | 华南理工大学 | A kind of imitative biology three frequency band monopole antennas |
| CN104733857A (en) * | 2015-03-26 | 2015-06-24 | 电子科技大学 | Miniaturized high-isolation dual-band MOMO antenna |
| US20160294057A1 (en) * | 2015-03-30 | 2016-10-06 | Hung-Hsien Chiu | Multi-Arm Trap Antenna |
| CN106876954A (en) * | 2015-12-14 | 2017-06-20 | 哈尔滨飞羽科技有限公司 | A kind of new monopole ultra-wideband antenna |
| CN106469849A (en) * | 2016-09-30 | 2017-03-01 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of multi-frequency monopole sub-antenna dividing shape to radiate Bending minor matters with KOCH |
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Application publication date: 20181214 |
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