CN203707326U - Pier-shaped triple-frequency microstrip antenna - Google Patents
Pier-shaped triple-frequency microstrip antenna Download PDFInfo
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- CN203707326U CN203707326U CN201420113729.5U CN201420113729U CN203707326U CN 203707326 U CN203707326 U CN 203707326U CN 201420113729 U CN201420113729 U CN 201420113729U CN 203707326 U CN203707326 U CN 203707326U
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Abstract
The utility model discloses a pier-shaped triple-frequency microstrip antenna which comprises a substrate, an inverted L-shaped patch, a pier-shaped patch, an S-shaped patch, a hooked coupling patch, an impedance matching input transmission line and a rectangular ground plate, wherein the inverted L-shaped patch, the pier-shaped patch, the S-shaped patch, the hooked coupling patch and the impedance matching input transmission line are arranged on the upper surface of the substrate, the left end of the S-shaped patch is connected with the top end of the left side of the pier-shaped patch, the top end of the right side of the pier-shaped patch is connected with the left end of the inverted L-shaped patch, the bottom end of the inverted L-shaped patch is connected with the top end of the impedance matching input transmission line, and the bottom end of the impedance matching input transmission line is connected with the bottom end of the substrate; and the rectangular ground plate is arranged on the lower surface of the substrate, and the bottom end of the rectangular ground plate is connected with the bottom end of the substrate. The pier-shaped triple-frequency microstrip antenna has the advantages of low loss, good radiation characteristic, low cost, small size, easiness in manufacture, convenience in integration and the like.
Description
Technical field
The utility model relates to antenna, relates in particular to a kind of pier shape three frequency microstrip antenna.
Background technology
Along with the develop rapidly of modern communication technology, antenna technology, as a part for wireless communication system, has also obtained and has developed rapidly.Antenna, as the medium of radio wave and wire transmission, is an indispensable part in communication system.Nowadays antenna has been widely used in national defense and military technology and the civilian wireless communication fields such as satellite, navigation, broadcast, radar, ECM (Electronic Countermeasures), universe astrosurveillance.As the up-and-coming youngster in antenna family, microstrip antenna so that its volume is little, lightweight, section is low, easy of integration, the easy a series of advantage such as conformal, multiband work, be subject to more and more domestic and international Antenna Design teacher's favor.
The application of microstrip antenna constantly expands in recent years, not simple designs in the past, for the designing requirement of different communication systems, the requirement of the property indices such as size to antenna, frequency band, gain, antenna pattern, polarization mode characteristic is also more and more higher.If adopt conventional simple microstrip antenna designs method, system requirements cannot be met, correspondingly, need to adopt some complicated Antenna Construction Designs, and the complicated design to microstrip antenna undoubtedly, machining accuracy and the debugging work of structure have brought huge challenge.
Summary of the invention
The utility model provides a kind of pier shape three frequency microstrip antenna, and technical scheme is as follows:
Pier shape three frequency microstrip antenna comprises substrate, inverted L-shaped paster, pier shape paster, S shape paster, hook-shaped coupling paster, impedance matching input transmission line, rectangle ground plate; The upper surface of substrate is provided with inverted L-shaped paster, pier shape paster, S shape paster, hook-shaped coupling paster, impedance matching input transmission line, the left end of S shape paster is connected with the top, left side of pier shape paster, the top, right side of pier shape paster is connected with the left end of inverted L-shaped paster, the bottom of inverted L-shaped paster is connected with the top of impedance matching input transmission line, and the impedance matching input bottom of transmission line and the bottom of substrate are connected; The lower surface of substrate is provided with rectangle ground plate, and the bottom of rectangle ground plate is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and the length of substrate is 48mm～52mm, and width is 28mm～32mm.The total length of described inverted L-shaped paster is 7mm～9mm, and overall width is 3mm～5mm, and paster width is 0.5mm～1.5mm.The horizontal rectangular patch that described pier shape paster is equated by width and longitudinally rectangular patch are formed by connecting, total length is 7mm～10mm, the width of paster is 0.5mm～1.5mm, and laterally the length of rectangular patch is 2mm～3mm, and longitudinally the length of rectangular patch is 3mm～5mm.Described S shape paster is formed by connecting by three horizontal rectangular patches and two longitudinal rectangular patches, and laterally the length of rectangular patch is 10mm～18mm, and longitudinally the length of rectangular patch is 2mm～4mm, and paster width is 0.5mm～1.5mm.Described hook-shaped coupling paster is formed by connecting by two horizontal rectangular patches and two longitudinal rectangular patches, and laterally the length of rectangular patch is 3mm～8mm, and longitudinally the length of rectangular patch is 4mm～10mm, and paster width is 0.5mm～1.5mm.The length of described impedance matching input transmission line is 34mm～38mm, and width is 2mm～5mm.The length of described rectangle ground plate is 34mm～38mm, and width is 28mm～32mm.
The utlity model has loss low, radiation characteristic is good, and cost is low, and size is little, is easy to make, and is convenient to the advantages such as integrated.
Accompanying drawing explanation
Fig. 1 is the Facad structure figure of pier shape three frequency microstrip antenna;
Fig. 2 is the structure figure of pier shape three frequency microstrip antenna;
Fig. 3 is the return loss plot of pier shape three frequency microstrip antenna;
Fig. 4 is E face and the H surface radiation directional diagram of antenna in the time of 1.63GHz;
Fig. 5 is E face and the H surface radiation directional diagram of antenna in the time of 3.17GHz;
Fig. 6 is E face and the H surface radiation directional diagram of antenna in the time of 3.65GHz;
Fig. 7 is the Surface current distribution figure of antenna in the time of 1.63GHz;
Fig. 8 is the Surface current distribution figure of antenna in the time of 3.17GHz;
Fig. 9 is the Surface current distribution figure of antenna in the time of 3.65GHz.
Embodiment
As shown in Fig. 1～2, pier shape three frequency microstrip antenna comprises substrate 1, inverted L-shaped paster 2, pier shape paster 3, S shape paster 4, hook-shaped coupling paster 5, impedance matching input transmission line 6, rectangle ground plate 7; The upper surface of substrate 1 is provided with inverted L-shaped paster 2, pier shape paster 3, S shape paster 4, hook-shaped coupling paster 5, impedance matching input transmission line 6, the left end of S shape paster 4 is connected with the top, left side of pier shape paster 3, the top, right side of pier shape paster 3 is connected with the left end of inverted L-shaped paster 2, the bottom of inverted L-shaped paster 2 is connected with the top of impedance matching input transmission line 6, and the bottom of impedance matching input transmission line 6 is connected with the bottom of substrate 1; The lower surface of substrate 1 is provided with rectangle ground plate 7, and the bottom of rectangle ground plate 7 is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 48mm～52mm, and width is 28mm～32mm.The total length of described inverted L-shaped paster 2 is 7mm～9mm, and overall width is 3mm～5mm, and paster width is 0.5mm～1.5mm.The horizontal rectangular patch that described pier shape paster 3 is equated by width and longitudinally rectangular patch are formed by connecting, total length is 7mm～10mm, the width of paster is 0.5mm～1.5mm, and laterally the length of rectangular patch is 2mm～3mm, and longitudinally the length of rectangular patch is 3mm～5mm.Described S shape paster 4 is formed by connecting by three horizontal rectangular patches and two longitudinal rectangular patches, and laterally the length of rectangular patch is 10mm～18mm, and longitudinally the length of rectangular patch is 2mm～4mm, and paster width is 0.5mm～1.5mm.Described hook-shaped coupling paster 5 is formed by connecting by two horizontal rectangular patches and two longitudinal rectangular patches, and laterally the length of rectangular patch is 3mm～8mm, and longitudinally the length of rectangular patch is 4mm～10mm, and paster width is 0.5mm～1.5mm.The length of described impedance matching input transmission line 6 is 34mm～38mm, and width is 2mm～5mm.The length of described rectangle ground plate 7 is 34mm～38mm, and width is 28mm～32mm.
Embodiment 1
Pier shape three frequency microstrip antenna:
Select the glass-epoxy material that dielectric constant is 4.4 to make micro-belt substrate, thickness is 1mm.The length of substrate is 50mm, and width is 30mm.The total length of inverted L-shaped paster is 8mm, and overall width is 4mm, and paster width is 1mm.The horizontal rectangular patch that pier shape paster is equated by width and longitudinally rectangular patch are formed by connecting, and total length is 8.5mm, and the width of paster is 1mm, and laterally the length of rectangular patch is 2.5mm, and longitudinally the length of rectangular patch is 4mm.S shape paster is formed by connecting by three horizontal rectangular patches and two longitudinal rectangular patches, the length of the horizontal rectangular patch in top is 15mm, the length of intermediate lateral rectangular patch is 11.5mm, the length of the horizontal rectangular patch in bottom is 13.5mm, longitudinally the length of rectangular patch is 3mm, and paster width is 1mm.Hook-shaped coupling paster is formed by connecting by two horizontal rectangular patches and two longitudinal rectangular patches, the length of the horizontal rectangular patch in top is 6.5mm, the length of the horizontal rectangular patch in bottom is 3mm, the length of the longitudinal rectangular patch of left end is 4.5mm, the length of the longitudinal rectangular patch of right-hand member is 8mm, and paster width is 1mm.The length of impedance matching input transmission line is 36mm, and width is 3.6mm.The length of rectangle ground plate is 36mm, and width is 30mm.The property indices of pier shape three frequency microstrip antenna adopts CST software to test, and the damage curve of gained as shown in Figure 3.As seen from the figure ,-working frequency range below 10dB is 1.578GHz～1.676GHz, 3.094GHz～3.228GHz and 3.602GHz～3.708GHz.Figure 4 shows that E face and the H surface radiation directional diagram of antenna in the time of 1.63GHz, as seen from the figure, gain as 2.2dBi, half power lobe width is 85.7 °.Figure 5 shows that E face and the H surface radiation directional diagram of antenna in the time of 3.17GHz, as seen from the figure, gain as 2.4dBi, half power lobe width is 91.9 °.Figure 6 shows that E face and the H surface radiation directional diagram of antenna in the time of 3.65GHz, as seen from the figure, gain as 3.2dBi, half power lobe width is 71.5 °.The Surface current distribution figure of antenna in the time of 1.63GHz, 3.17GHz and 3.65GHz respectively as shown in Figure 7, Figure 8 and Figure 9.
Claims (8)
1. a pier shape three frequency microstrip antenna, it is characterized in that comprising substrate (1), inverted L-shaped paster (2), pier shape paster (3), S shape paster (4), hook-shaped coupling paster (5), impedance matching input transmission line (6), rectangle ground plate (7), the upper surface of substrate (1) is provided with inverted L-shaped paster (2), pier shape paster (3), S shape paster (4), hook-shaped coupling paster (5), impedance matching input transmission line (6), the left end of S shape paster (4) is connected with the top, left side of pier shape paster (3), the top, right side of pier shape paster (3) is connected with the left end of inverted L-shaped paster (2), the bottom of inverted L-shaped paster (2) is connected with the top of impedance matching input transmission line (6), the bottom of impedance matching input transmission line (6) is connected with the bottom of substrate (1), the lower surface of substrate (1) is provided with rectangle ground plate (7), and the bottom of rectangle ground plate (7) is connected with the bottom of substrate (1).
2. a kind of pier shape three frequency microstrip antenna as claimed in claim 1, is characterized in that described substrate (1) is glass-epoxy material, and the length of substrate (1) is 48mm～52mm, and width is 28mm～32mm.
3. a kind of pier shape three frequency microstrip antenna as claimed in claim 1, is characterized in that the total length of described inverted L-shaped paster (2) is 7mm～9mm, and overall width is 3mm～5mm, and paster width is 0.5mm～1.5mm.
4. a kind of pier shape three frequency microstrip antenna as claimed in claim 1, it is characterized in that horizontal rectangular patch and longitudinal rectangular patch that described pier shape paster (3) is equated by width are formed by connecting, total length is 7mm～10mm, the width of paster is 0.5mm～1.5mm, laterally the length of rectangular patch is 2mm～3mm, and longitudinally the length of rectangular patch is 3mm～5mm.
5. a kind of pier shape three frequency microstrip antenna as claimed in claim 1, it is characterized in that described S shape paster (4) is formed by connecting by three horizontal rectangular patches and two longitudinal rectangular patches, laterally the length of rectangular patch is 10mm～18mm, longitudinally the length of rectangular patch is 2mm～4mm, and paster width is 0.5mm～1.5mm.
6. a kind of pier shape three frequency microstrip antenna as claimed in claim 1, it is characterized in that described hook-shaped coupling paster (5) is formed by connecting by two horizontal rectangular patches and two longitudinal rectangular patches, laterally the length of rectangular patch is 3mm～8mm, longitudinally the length of rectangular patch is 4mm～10mm, and paster width is 0.5mm～1.5mm.
7. a kind of pier shape three frequency microstrip antenna as claimed in claim 1, is characterized in that the length of described impedance matching input transmission line (6) is 34mm～38mm, and width is 2mm～5mm.
8. a kind of pier shape three frequency microstrip antenna as claimed in claim 1, is characterized in that the length of described rectangle ground plate (7) is 34mm～38mm, and width is 28mm～32mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113729.5U CN203707326U (en) | 2014-03-11 | 2014-03-11 | Pier-shaped triple-frequency microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113729.5U CN203707326U (en) | 2014-03-11 | 2014-03-11 | Pier-shaped triple-frequency microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707326U true CN203707326U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420113729.5U Expired - Fee Related CN203707326U (en) | 2014-03-11 | 2014-03-11 | Pier-shaped triple-frequency microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707326U (en) |
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2014
- 2014-03-11 CN CN201420113729.5U patent/CN203707326U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150311 |
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| EXPY | Termination of patent right or utility model |