CN203434283U - Opening rectangular ring coplanar type ultra wide band microstrip antenna - Google Patents
Opening rectangular ring coplanar type ultra wide band microstrip antenna Download PDFInfo
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- CN203434283U CN203434283U CN201320557047.9U CN201320557047U CN203434283U CN 203434283 U CN203434283 U CN 203434283U CN 201320557047 U CN201320557047 U CN 201320557047U CN 203434283 U CN203434283 U CN 203434283U
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- flanked ring
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Abstract
The utility model discloses an opening rectangular ring coplanar type ultra wide band microstrip antenna. The antenna comprises a substrate, a rectangular ring patch with a gap, an L-shape patch, an impedance matching input transmission line, a rectangular patch and an annular rectangular grounding plate with a gap. An upper surface of the substrate is provided with the rectangular ring patch with the gap, the L-shape patch, the impedance matching input transmission line, the rectangular patch and the annular rectangular grounding plate with the gap. A left end of the L-shape patch is connected with a right side of the rectangular ring patch with the gap. A bottom of the rectangular ring patch with the gap is connected with a top of the impedance matching input transmission line. A bottom of the impedance matching input transmission line is connected with a bottom of the substrate. A bottom of the annular rectangular grounding plate with the gap is connected with the bottom of the substrate. The antenna of the utility model possesses the following advantages that losses are low; a radiation characteristic is good; cost is low; the size is small; manufacturing is easy; integration is convenient to be achieved and so on.
Description
Technical field
The utility model relates to antenna, relates in particular to the coplanar formula ultra-wideband microstrip antenna of a kind of opening straight-flanked ring.
Background technology
Along with the application and development of wireless communication technology, frequency spectrum becomes a kind of extremely important and rare resource.From superhigh frequency band to millimere-wave band, a lot of frequency ranges have been developed and for various television systems, radio communication and Reconnaissance system.Owing to being operated in the increase of the mobile radio system of different frequency bands, in a building, need to install the signal that a plurality of antennas receive different mobile radio systems.And the increase of antenna amount will produce a series of problem, as: production cost, the capacity that increases indoor base station and electromagnetic compatibility problem etc. increased.So different communication networks is incorporated into less broadband or the ultra-wideband antenna of usage quantity in a system becomes a kind of trend gradually.
Microstrip antenna have volume little, be convenient to structure the formation, planar structure, be convenient to integrated, be convenient to and the many advantages such as carrier is conformal, therefore how to develop miniaturization, planar structure, low cost, high performance ultra-wideband microstrip antenna, also become the research direction of domestic and international researcher emphasis.The frequency range that the applied band limits of ultra-wideband antenna has comprised several other system places such as WiMAX and WLAN, for solving the problem of disturbing mutually occurring between these several different systems, the small-sized plane ultra-wideband microstrip antenna that can realize band resistance characteristic that had occurred in recent years multiple different structure, the ultra-wideband microstrip antenna in these civil areas with huge applications value is all the important subject of ultra broadband research field.
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 opening straight-flanked ring coplanar formula ultra-wideband microstrip antenna.
In order to achieve the above object, the technical solution of the utility model is as follows:
The coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring comprises substrate, band breach straight-flanked ring paster, L shaped paster, impedance matching input transmission line, rectangular patch, band breach annular rectangle ground plate; The upper surface of substrate is provided with band breach straight-flanked ring paster, L shaped paster, impedance matching input transmission line, rectangular patch, band breach annular rectangle ground plate, the left end of L shaped paster is connected with the right side with breach straight-flanked ring paster, bottom with breach straight-flanked ring paster is connected with the top of impedance matching input transmission line, the impedance matching input bottom of transmission line is connected with the bottom of substrate, with the bottom of the annular rectangle ground plate of breach, is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and the length of substrate is 40mm～45mm, and width is 40mm～45mm.The described total length with breach straight-flanked ring paster is 10mm～12mm, and overall width is 10mm～12mm, and paster width is 2mm～3mm, and right side notch length is 1mm～2mm.The total length of described L shaped paster is 5mm～10mm, and overall width is 4mm～8mm, and paster width is 2mm～3mm.The length of described impedance matching input transmission line is 6mm～10mm, and width is 2mm～4mm.The length of described rectangular patch is 8mm～12mm, and width is 2mm～3mm.Described band breach annular rectangle ground plate is opened a rectangular indentation by a straight-flanked ring base and is formed, and the total length of straight-flanked ring is 40mm～45mm, and overall width is 40mm～45mm, and paster width is 5mm～7mm, and gap width is 4mm～6mm.
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 the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring;
Fig. 2 is the loss figure of the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring;
Fig. 3 is the E surface radiation directional diagram of the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring when 2.85GHz;
Fig. 4 is the H surface radiation directional diagram of the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring when 2.85GHz;
Fig. 5 is the E surface radiation directional diagram of the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring when 8.3GHz;
Fig. 6 is the H surface radiation directional diagram of the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring when 8.3GHz.
Embodiment
As shown in Figure 1, the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring comprises substrate 1, band breach straight-flanked ring paster 2, L shaped paster 3, impedance matching input transmission line 4, rectangular patch 5, band breach annular rectangle ground plate 6; The upper surface of substrate 1 is provided with band breach straight-flanked ring paster 2, L shaped paster 3, impedance matching input transmission line 4, rectangular patch 5, band breach annular rectangle ground plate 6, the left end of L shaped paster 3 is connected with the right side with breach straight-flanked ring paster 2, bottom with breach straight-flanked ring paster 2 is connected with the top of impedance matching input transmission line 4, the bottom of impedance matching input transmission line 4 is connected with the bottom of substrate 1, with the bottom of the annular rectangle ground plate 6 of breach, is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 40mm～45mm, and width is 40mm～45mm.The described total length with breach straight-flanked ring paster 2 is 10mm～12mm, and overall width is 10mm～12mm, and paster width is 2mm～3mm, and right side notch length is 1mm～2mm.The total length of described L shaped paster 3 is 5mm～10mm, and overall width is 4mm～8mm, and paster width is 2mm～3mm.The length of described impedance matching input transmission line 4 is 6mm～10mm, and width is 2mm～4mm.The length of described rectangular patch 5 is 8mm～12mm, and width is 2mm～3mm.Described band breach annular rectangle ground plate 6 is opened a rectangular indentation by a straight-flanked ring base and is formed, and the total length of straight-flanked ring is 40mm～45mm, and overall width is 40mm～45mm, and paster width is 5mm～7mm, and gap width is 4mm～6mm.Embodiment 1
Select the glass-epoxy material that dielectric constant is 4.4 to make micro-belt substrate, thickness is 1mm.The length of substrate is 40mm, and width is 40mm.Total length with breach straight-flanked ring paster is 11mm, and overall width is 10mm, and paster width is 2mm, and right side notch length is 2mm.The total length of L shaped paster is 8mm, and overall width is 5mm, and paster width is 2mm.The length of impedance matching input transmission line is 7mm, and width is 3mm.The length of rectangular patch is 9mm, and width is 2mm.Band breach annular rectangle ground plate is opened a rectangular indentation by a straight-flanked ring base and is formed, and the total length of straight-flanked ring is 40mm, and overall width is 40mm, and paster width is 5mm, and gap width is 4mm.The property indices of the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring adopts CST software to test, and the damage curve of gained as shown in Figure 2.As seen from the figure ,-working frequency range below 10dB is 2.63GHz～4.61GHz and 7.4GHz～10.52GHz.Fig. 3-4 are depicted as E face and the H face directional diagram of the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring when 2.85GHz, as seen from the figure, when frequency is 2.85GHz, gain as 3.6dBi, and half power lobe width is 83.6 °.Fig. 5-6 are depicted as E face and the H face directional diagram of the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring when 8.3GHz, as seen from the figure, when frequency is 8.3GHz, gain as 5.9dBi, and half power lobe width is 62.1 °.
Claims (7)
1. the coplanar formula ultra-wideband microstrip antenna of opening straight-flanked ring, is characterized in that comprising substrate (1), band breach straight-flanked ring paster (2), L shaped paster (3), impedance matching input transmission line (4), rectangular patch (5), band breach annular rectangle ground plate (6); The upper surface of substrate (1) is provided with band breach straight-flanked ring paster (2), L shaped paster (3), impedance matching input transmission line (4), rectangular patch (5), band breach annular rectangle ground plate (6), the left end of L shaped paster (3) is connected with the right side of band breach straight-flanked ring paster (2), the bottom of band breach straight-flanked ring paster (2) is connected with the top of impedance matching input transmission line (4), the bottom of impedance matching input transmission line (4) is connected with the bottom of substrate (1), and the bottom of band breach annular rectangle ground plate (6) is connected with the bottom of substrate (1).
2. the coplanar formula ultra-wideband microstrip antenna of a kind of opening straight-flanked ring as claimed in claim 1, is characterized in that described substrate (1) is glass-epoxy material, and the length of substrate (1) is 40mm～45mm, and width is 40mm～45mm.
3. the coplanar formula ultra-wideband microstrip antenna of a kind of opening straight-flanked ring as claimed in claim 1, the total length that it is characterized in that described band breach straight-flanked ring paster (2) is 10mm～12mm, overall width is 10mm～12mm, and paster width is 2mm～3mm, and right side notch length is 1mm～2mm.
4. the coplanar formula ultra-wideband microstrip antenna of a kind of opening straight-flanked ring as claimed in claim 1, is characterized in that the total length of described L shaped paster (3) is 5mm～10mm, and overall width is 4mm～8mm, and paster width is 2mm～3mm.
5. the coplanar formula ultra-wideband microstrip antenna of a kind of opening straight-flanked ring as claimed in claim 1, is characterized in that the length of described impedance matching input transmission line (4) is 6mm～10mm, and width is 2mm～4mm.
6. the coplanar formula ultra-wideband microstrip antenna of a kind of opening straight-flanked ring as claimed in claim 1, is characterized in that the length of described rectangular patch (5) is 8mm～12mm, and width is 2mm～3mm.
7. the coplanar formula ultra-wideband microstrip antenna of a kind of opening straight-flanked ring as claimed in claim 1, band breach annular rectangle ground plate (6) described in it is characterized in that is opened a rectangular indentation by a straight-flanked ring base and is formed, the total length of straight-flanked ring is 40mm～45mm, overall width is 40mm～45mm, paster width is 5mm～7mm, and gap width is 4mm～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557047.9U CN203434283U (en) | 2013-09-04 | 2013-09-04 | Opening rectangular ring coplanar type ultra wide band microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557047.9U CN203434283U (en) | 2013-09-04 | 2013-09-04 | Opening rectangular ring coplanar type ultra wide band microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434283U true CN203434283U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320557047.9U Expired - Fee Related CN203434283U (en) | 2013-09-04 | 2013-09-04 | Opening rectangular ring coplanar type ultra wide band microstrip antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916908A (en) * | 2015-03-11 | 2015-09-16 | 浙江大学 | Ultrahigh-frequency broadband circularly-polarized RFID reader antenna |
| CN105870611A (en) * | 2015-01-21 | 2016-08-17 | 冠捷投资有限公司 | Broadband microstrip antenna |
-
2013
- 2013-09-04 CN CN201320557047.9U patent/CN203434283U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870611A (en) * | 2015-01-21 | 2016-08-17 | 冠捷投资有限公司 | Broadband microstrip antenna |
| CN105870611B (en) * | 2015-01-21 | 2019-03-22 | 冠捷投资有限公司 | Broadband microstrip antenna |
| CN104916908A (en) * | 2015-03-11 | 2015-09-16 | 浙江大学 | Ultrahigh-frequency broadband circularly-polarized RFID reader antenna |
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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: 20140212 Termination date: 20140904 |
|
| EXPY | Termination of patent right or utility model |