CN203398305U - Trapezoid slot-type micro-strip antenna - Google Patents
Trapezoid slot-type micro-strip antenna Download PDFInfo
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- CN203398305U CN203398305U CN201320557050.0U CN201320557050U CN203398305U CN 203398305 U CN203398305 U CN 203398305U CN 201320557050 U CN201320557050 U CN 201320557050U CN 203398305 U CN203398305 U CN 203398305U
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Abstract
The utility model discloses a trapezoid slot-type micro-strip antenna. The trapezoid slot-type micro-strip antenna includes a substrate, a rectangular radiation paster, a trapezoid radiation paster, a vertical radiation paster, a horizontal radiation paster, a U-shaped ring radiation paster, an impedance match input transmission line and a rectangular metal ground plate. The surface of the substrate is provided with the rectangular radiation paster, the trapezoid radiation paster, the vertical radiation paster, the horizontal radiation paster, the U-shaped ring radiation paster and the impedance match input transmission line. The rectangular radiation paster is provided with an M-shaped slot. The back side of the substrate is provided with the rectangular metal ground plate. One end of the impedance match input transmission line is connected with the U-shaped ring radiation paster while the other end of the impedance match input transmission line is connected with the bottom end of the substrate. The bottom end of the rectangular metal ground plate is connected with the bottom end of the substrate. The trapezoid slot-type micro-strip antenna has stable radiation characteristics within a working band and is low in loss, simple in structure, small in size and convenient to manufacture.
Description
Technical field
The utility model relates to antenna, relates in particular to a kind of trapezoidal open flume type microstrip antenna.
Background technology
The concept of microstrip antenna was just put forward by Dcschalnps as far back as nineteen fifty-three, but do not cause the attention of engineering circles, in five sixties, only have some fragmentary researchs, but 20 years have been spent, when good theoretical model and to after applying the photoetching technique development of copper or deposit dielectric substrate, actual antenna just creates.The dielectric constant range value of this substrate is wider, has endothermic character, mechanical property and low loss tangent.Microstrip antenna is the earliest developed at early seventies by Howell and Munsonl, from then on, the research of microstrip antenna has had swift and violent development, the microstrip antenna of new model and new capability continues to bring out, the researcher in this field has delivered a large amount of scientific papers and research report, and this shows that microstrip antenna has become the attention that an important topic in antenna research is subject to each side.
Microstrip antenna is due to himself, and the advantage such as little, lightweight, simple in structure, cheap in thin profile, volume, so be widely used on its various communication equipment in wide wave band.But the most serious defect of microstrip antenna is that frequency band is narrow, with logarithm periodic antenna, waveguide openings horn antenna, the bandwidth that helical antenna etc. are generally operational in more than tens percent is compared, and the bandwidth of typical microstrip antenna only had for percent zero point several to a few percent.Therefore, people have done a large amount of research at the band spread technical elements of microstrip antenna in recent years, have proposed the method for many broadening microstrip antenna bandwidth.
Summary of the invention
The utility model is large in order to overcome prior art loss in WLAN (wireless local area network), and the low deficiency that gains provides a kind of trapezoidal open flume type microstrip antenna.
In order to achieve the above object, the technical solution of the utility model is as follows:
Trapezoidal open flume type microstrip antenna comprises substrate, rectangular radiation patch, trapezoidal radiation patch, vertical radiation paster, horizontal radiation paster, U-shaped ring radiation patch, impedance matching input transmission line, rectangular metal ground plate; The surface of substrate is provided with rectangular radiation patch, trapezoidal radiation patch, vertical radiation paster, horizontal radiation paster, U-shaped ring radiation patch, impedance matching input transmission line; Rectangular radiation patch is provided with M type fluting; The back side of substrate is provided with rectangular metal ground plate; One end of impedance matching input transmission line is connected with U-shaped ring radiation patch, and the impedance matching input other end of transmission line and the bottom of substrate are connected, and the bottom of rectangular metal ground plate is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and the length of substrate is 20mm～21mm, and width is 12mm～13mm.The length of described rectangular radiation patch is 5mm～6mm, and width is 10mm～11mm.The upper base length of described trapezoidal radiation patch is 6mm～7mm, and the length of going to the bottom is 10mm～11mm, is highly 4mm～5mm.The length of described M type fluting is 2mm～3mm, is highly 8mm～9mm, and width is 0.5mm～0.7mm.The length of described vertical radiation paster is 3mm～4mm, and width is 1mm～1.5mm.The length of described horizontal radiation paster is 0.5mm～0.7mm, and width is 4mm～5mm.The total length of described U-shaped ring radiation patch is 4mm～5mm, and total height is 6mm～7mm, and width is 0.3mm～0.5mm.The length of described impedance matching input transmission line is 7mm～8mm, and width is 1mm～2mm.The length of described rectangular metal ground plate is 5mm～6mm, and width is 12mm～13mm.
In the utility model working band, have stable radiation characteristic, loss is low, simple in structure, and volume is little, easy to make.
Accompanying drawing explanation:
Fig. 1 is the Facad structure figure of trapezoidal open flume type microstrip antenna;
Fig. 2 is the structure figure of trapezoidal open flume type microstrip antenna;
Fig. 3 is the loss figure of trapezoidal open flume type microstrip antenna;
Fig. 4 is the E surface radiation directional diagram of antenna when 4.9GHz;
Fig. 5 is the H surface radiation directional diagram of antenna when 4.9GHz;
Fig. 6 is the E surface radiation directional diagram of antenna when 7.8GHz;
Fig. 7 is the H surface radiation directional diagram of antenna when 7.8GHz.
Embodiment
As shown in Fig. 1～2, trapezoidal open flume type microstrip antenna comprises substrate 1, rectangular radiation patch 2, trapezoidal radiation patch 3, vertical radiation paster 5, horizontal radiation paster 6, U-shaped ring radiation patch 7, impedance matching input transmission line 8, rectangular metal ground plate 9; The surface of substrate 1 is provided with rectangular radiation patch 2, trapezoidal radiation patch 3, vertical radiation paster 5, horizontal radiation paster 6, U-shaped ring radiation patch 7, impedance matching input transmission line 8; Rectangular radiation patch 2 is provided with M type fluting 4; The back side of substrate 1 is provided with rectangular metal ground plate 9; One end of impedance matching input transmission line 8 is connected with U-shaped ring radiation patch 7, and the other end of impedance matching input transmission line 8 is connected with the bottom of substrate 1, and the bottom of rectangular metal ground plate 9 is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 20mm～21mm, and width is 12mm～13mm.The length of described rectangular radiation patch 2 is 5mm～6mm, and width is 10mm～11mm.The upper base length of described trapezoidal radiation patch 3 is 6mm～7mm, and the length of going to the bottom is 10mm～11mm, is highly 4mm～5mm.The length of described M type fluting 4 is 2mm～3mm, is highly 8mm～9mm, and width is 0.5mm～0.7mm.The length of described vertical radiation paster 5 is 3mm～4mm, and width is 1mm～1.5mm.The length of described horizontal radiation paster 6 is 0.5mm～0.7mm, and width is 4mm～5mm.The total length of described U-shaped ring radiation patch 7 is 4mm～5mm, and total height is 6mm～7mm, and width is 0.3mm～0.5mm.The length of described impedance matching input transmission line 8 is 7mm～8mm, and width is 1mm～2mm.The length of described rectangular metal ground plate 9 is 5mm～6mm, and width is 12mm～13mm.
Embodiment 1
Trapezoidal open flume type microstrip antenna:
Select the glass-epoxy material that dielectric constant is 4.2 to make micro-belt substrate, thickness is 1.7mm.The length of substrate is 20mm, and width is 12mm.The length of rectangular radiation patch is 5mm, and width is 10mm.The upper base length of trapezoidal radiation patch is 6mm, and the length of going to the bottom is 10mm, is highly 4mm.The length of M type fluting is 2mm, is highly 8mm, and width is 0.5mm.The length of vertical radiation paster is 3mm, and width is 1mm.The length of horizontal radiation paster is 0.5mm, and width is 4mm.The total length of U-shaped ring radiation patch is 4mm, and total height is 6mm, and width is 0.3mm.The length of impedance matching input transmission line is 7mm, and width is 1.5mm.The length of rectangular metal ground plate is 5mm, and width is 12mm.The property indices of trapezoidal open flume type microstrip antenna adopts CST software to test, and the damage curve of gained is as accompanying drawing 3.As seen from the figure, the working frequency range below-10dB is respectively 4.18GHz～4.24GHz, 10.32GHz～10.93GHz.Fig. 4-5 are depicted as E face and the H face directional diagram of trapezoidal open flume type microstrip antenna when 4.9GHz, as seen from the figure, when frequency is 4.9GHz, gain as 1.5dBi, and half power lobe width is 93.8 °; Fig. 6-7 are depicted as E face and the H face directional diagram of trapezoidal open flume type microstrip antenna when 7.8GHz, as seen from the figure, when frequency is 7.8GHz, gain as 1.8dBi, and half power lobe width is 73.7 °.
Claims (10)
1. a trapezoidal open flume type microstrip antenna, it is characterized in that comprising substrate (1), rectangular radiation patch (2), trapezoidal radiation patch (3), vertical radiation paster (5), horizontal radiation paster (6), U-shaped ring radiation patch (7), impedance matching input transmission line (8), rectangular metal ground plate (9); The surface of substrate (1) is provided with rectangular radiation patch (2), trapezoidal radiation patch (3), vertical radiation paster (5), horizontal radiation paster (6), U-shaped ring radiation patch (7), impedance matching input transmission line (8); Rectangular radiation patch (2) is provided with M type fluting (4); The back side of substrate (1) is provided with rectangular metal ground plate (9); One end of impedance matching input transmission line (8) is connected with U-shaped ring radiation patch (7), the other end of impedance matching input transmission line (8) is connected with the bottom of substrate (1), and the bottom of rectangular metal ground plate (9) is connected with the bottom of substrate (1).
2. a kind of trapezoidal open flume type 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 20mm～21mm, and width is 12mm～13mm.
3. a kind of trapezoidal open flume type microstrip antenna as claimed in claim 1, is characterized in that the length of described rectangular radiation patch (2) is 5mm～6mm, and width is 10mm～11mm.
4. a kind of trapezoidal open flume type microstrip antenna as claimed in claim 1, is characterized in that the upper base length of described trapezoidal radiation patch (3) is 6mm～7mm, and the length of going to the bottom is 10mm～11mm, is highly 4mm～5mm.
5. a kind of trapezoidal open flume type microstrip antenna as claimed in claim 1, is characterized in that the length of described M type fluting (4) is 2mm～3mm, is highly 8mm～9mm, and width is 0.5mm～0.7mm.
6. a kind of trapezoidal open flume type microstrip antenna as claimed in claim 1, is characterized in that the length of described vertical radiation paster (5) is 3mm～4mm, and width is 1mm～1.5mm.
7. a kind of trapezoidal open flume type microstrip antenna as claimed in claim 1, is characterized in that the length of described horizontal radiation paster (6) is 0.5mm～0.7mm, and width is 4mm～5mm.
8. a kind of trapezoidal open flume type microstrip antenna as claimed in claim 1, is characterized in that the total length of described U-shaped ring radiation patch (7) is 4mm～5mm, and total height is 6mm～7mm, and width is 0.3mm～0.5mm.
9. a kind of trapezoidal open flume type microstrip antenna as claimed in claim 1, is characterized in that the length of described impedance matching input transmission line (8) is 7mm～8mm, and width is 1mm～2mm.
10. a kind of trapezoidal open flume type microstrip antenna as claimed in claim 1, is characterized in that the length of described rectangular metal ground plate (9) is 5mm～6mm, and width is 12mm～13mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557050.0U CN203398305U (en) | 2013-09-04 | 2013-09-04 | Trapezoid slot-type micro-strip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557050.0U CN203398305U (en) | 2013-09-04 | 2013-09-04 | Trapezoid slot-type micro-strip antenna |
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| Publication Number | Publication Date |
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| CN203398305U true CN203398305U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320557050.0U Expired - Fee Related CN203398305U (en) | 2013-09-04 | 2013-09-04 | Trapezoid slot-type micro-strip antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207470A (en) * | 2016-08-30 | 2016-12-07 | 中南大学 | A kind of small-sized three trap UWB antennas |
-
2013
- 2013-09-04 CN CN201320557050.0U patent/CN203398305U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207470A (en) * | 2016-08-30 | 2016-12-07 | 中南大学 | A kind of small-sized three trap UWB antennas |
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| Date | Code | Title | Description |
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| 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: 20140115 Termination date: 20140904 |
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| EXPY | Termination of patent right or utility model |