CN203339305U - Annular double-frequency micro-strip antenna with slot-type back - Google Patents
Annular double-frequency micro-strip antenna with slot-type back Download PDFInfo
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- CN203339305U CN203339305U CN2013201910965U CN201320191096U CN203339305U CN 203339305 U CN203339305 U CN 203339305U CN 2013201910965 U CN2013201910965 U CN 2013201910965U CN 201320191096 U CN201320191096 U CN 201320191096U CN 203339305 U CN203339305 U CN 203339305U
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Abstract
The utility model discloses an annular double-frequency micro-strip antenna with a slot-type back. The antenna provided by the utility model comprises a base plate, an annular radiation patch, circular seams with openings, an impedance matching input transmission line, a loading rectangular patch, a groove-type metal ground plate, and circular seam with rectangular openings. The upper surface of the base plate is provided with the annular radiation patch, the impedance matching input transmission line, and the loading rectangular patch. The lower surface of the base plate is provided with the groove-type metal ground plate. The central top end of the groove-type metal ground plate is provided with a groove. The lower end of the groove is symmetrically provided with two circular seams with the openings, and the groove is taken as a symmetry center. The micro-strip base plate of the antenna is made of Teflon materials, and the antenna is low in cost, good in radiation characteristic, simple in structure, and convenient to assemble.
Description
Technical field
The utility model relates to antenna, relates in particular to a kind of back side open flume type annular double-frequency micro-strip antenna.
Technical background
Microstrip antenna is a kind of antenna of microband paste as radiation element that use, it has advantages of, and section is low, volume is little, lightweight, be easy to processing, be convenient to obtain circular polarization, and be very beneficial for integratedly, occupy very important status in antenna applications.In space electronics, in bioelectronics and conventional field of antenna, obtain a wide range of applications at present.Characteristics on electric are to obtain unidirectional cross direction figure, are easy to realize linear polarization or circular polarization and two-frequency operation.
In recent years, because the multi-modulation scheme pattern appears in wireless terminal, this also just requires, on the performance of antenna, good coupling is arranged, the antenna of multiband is the emphasis of nowadays studying, and this has not only saved the effect that multiple utilization is also played in space.
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 back side open flume type annular double-frequency micro-strip antenna.
In order to achieve the above object, the technical solution of the utility model is as follows:
Back side open flume type annular double-frequency micro-strip antenna comprises substrate, the annular radiation patch, and the circular circumferential weld of opening, impedance matching input transmission line, load rectangular patch, groove type metal ground plate, rectangular aperture circumferential weld, the upper surface of substrate is provided with the annular radiation patch, impedance matching input transmission line and loading rectangular patch, the annular radiation patch is provided with the circular circumferential weld of opening, the bottom, center of annular radiation patch is connected with impedance matching input transmission line one end, the other end of impedance matching input transmission line is connected with the bottom of substrate, impedance matching input transmission line left end is provided with the loading rectangular patch, the lower surface of substrate is provided with the groove type metal ground plate, the top, center of groove type metal ground plate is provided with groove, the lower end of groove is provided with take groove as two symmetrical rectangular aperture circumferential welds.
Described substrate is Teflon (Taconic) material.The width of described substrate is 30mm～35mm, is highly 30mm～35mm.The outer shroud radius of described annular radiation patch is 5mm～8mm, and interior ring radius is 2mm～4mm.The circumferential weld width of the circular circumferential weld of described opening is 0.5mm～1mm, and opening length is 1mm～2mm, and interior ring radius is 2mm～5mm.The width of described impedance matching input transmission line is 2mm～3mm, and length is 12mm～15mm.The length of described loading rectangular patch is 2mm～3mm, and width is 1mm～3mm, apart from the bottom distance, is 5mm～8mm.The depth of groove of described groove type metal ground plate is 2mm～3mm, and width is 2mm～3mm.The circumferential weld width of described rectangular aperture circumferential weld is 0.2mm～0.3mm, and the length of rectangular circular seam and wide equating, the length of side is 2mm～3mm, and the length of split ring is 0.5mm～1mm.
The micro-belt substrate of the utility model is used the Teflon material, has a cost low, simple in structure small-sized, is convenient to integrated.
The accompanying drawing explanation:
Fig. 1 is the structural front view of back side open flume type annular double-frequency micro-strip antenna;
Fig. 2 is the structure rearview of back side open flume type annular double-frequency micro-strip antenna;
Fig. 3 is the insertion loss figure of back side open flume type annular double-frequency micro-strip antenna;
Fig. 4 is the E surface radiation directional diagram of back side open flume type annular double-frequency micro-strip antenna when 3.5GHz;
Fig. 5 is the H surface radiation directional diagram of back side open flume type annular double-frequency micro-strip antenna when 3.5GHz;
Fig. 6 is the E surface radiation directional diagram of back side open flume type annular double-frequency micro-strip antenna when 5GHz;
Fig. 7 is the H surface radiation directional diagram of back side open flume type annular double-frequency micro-strip antenna when 5GHz.
Embodiment
As shown in Figure 1, back side open flume type annular double-frequency micro-strip antenna comprises substrate 1, annular radiation patch 2, and the circular circumferential weld 3 of opening, impedance matching input transmission line 4, load rectangular patch 5, groove type metal ground plate 6, rectangular aperture circumferential weld 7, the upper surface of substrate 1 is provided with annular radiation patch 2, impedance matching input transmission line 4 and loading rectangular patch 5, annular radiation patch 2 is provided with the circular circumferential weld 3 of opening, the bottom, center of annular radiation patch 2 is connected with impedance matching input transmission line 4 one ends, the other end of impedance matching input transmission line 4 is connected with the bottom of substrate 1, impedance matching input transmission line 4 left ends are provided with and load rectangular patch 5, the lower surface of substrate 1 is provided with groove type metal ground plate 6, the top, center of groove type metal ground plate 6 is provided with groove, the lower end of groove is provided with take groove as two symmetrical rectangular aperture circumferential welds 7.
Described substrate 1 is Teflon (Taconic) material.The width of described substrate 1 is 30mm～35mm, is highly 30mm～35mm.The outer shroud radius of described annular radiation patch 2 is 5mm～8mm, and interior ring radius is 2mm～4mm.The circumferential weld width of the circular circumferential weld 3 of described opening is 0.5mm～1mm, and opening length is 1mm～2mm, and interior ring radius is 2mm～5mm.The width of described impedance matching input transmission line 4 is 2mm～3mm, and length is 12mm～15mm.The length of described loading rectangular patch 5 is 2mm～3mm, and width is 1mm～3mm, apart from the bottom distance, is 5mm～8mm.The depth of groove of described groove type metal ground plate 6 is 2mm～3mm, and width is 2mm～3mm.The circumferential weld width of described rectangular aperture circumferential weld 7 is 0.2mm～0.3mm, and the length of rectangular circular seam and wide equating, the length of side is 2mm～3mm, and the length of split ring is 0.5mm～1mm.
Back side open flume type annular double-frequency micro-strip antenna:
Select the Teflon material that dielectric constant is 2.65 to make micro-belt substrate, thickness is 1.6mm.The width of substrate is 30mm, is highly 30mm.The outer shroud radius of annular radiation patch is 7.5mm, and interior ring radius is 3mm.The circumferential weld width of the circular circumferential weld of opening is 0.5mm, and opening length is 1.5mm, and the width that interior ring radius is the described impedance matching input of 3mm transmission line is 3mm, and length is 14.8mm.The length that loads rectangular patch is 3mm, and width is 2.4mm, apart from the bottom distance, is 7.2mm.The depth of groove of groove type metal ground plate is 2mm, and width is 2mm.The circumferential weld width of rectangular aperture circumferential weld is 0.2mm, and the length of rectangular circular seam and wide equating, the length of side is 3mm, and the length of split ring is 0.5mm.The property indices of back side open flume type annular double-frequency micro-strip antenna adopts CST software to be tested, and the insertion loss curve of gained is as accompanying drawing 3.As seen from the figure, the following working frequency range of-10dB is 3.2122-4.1152GHz and 4.513-6.5771GHz.Fig. 4-7 are depicted as the back side open flume type annular double-frequency micro-strip antenna E face when 3.5GHz and 5GHz and H face directional diagram respectively, as seen from the figure, when frequency is 3.5GHz, gain as 3.0dBi, and the half power lobe width is 84.8 °; When frequency is 5GHz, gain as 3.9dBi, the half power lobe width is 75.3 °.
Claims (9)
1. a back side open flume type annular double-frequency micro-strip antenna, it is characterized in that comprising substrate (1), annular radiation patch (2), the circular circumferential weld (3) of opening, impedance matching input transmission line (4), load rectangular patch (5), groove type metal ground plate (6), rectangular aperture circumferential weld (7), the upper surface of substrate (1) is provided with annular radiation patch (2), impedance matching input transmission line (4) and loading rectangular patch (5), annular radiation patch (2) is provided with the circular circumferential weld (3) of opening, the bottom, center of annular radiation patch (2) is connected with impedance matching input transmission line (4) one ends, the other end of impedance matching input transmission line (4) is connected with the bottom of substrate (1), impedance matching input transmission line (4) left end is provided with and loads rectangular patch (5), the lower surface of substrate (1) is provided with groove type metal ground plate (6), the top, center of groove type metal ground plate (6) is provided with groove, the lower end of groove is provided with take groove as symmetrical two rectangular aperture circumferential welds (7).
2. a kind of back side as claimed in claim 1 open flume type annular double-frequency micro-strip antenna, is characterized in that described substrate (1) is the Teflon material.
3. a kind of back side as claimed in claim 1 open flume type annular double-frequency micro-strip antenna, the width that it is characterized in that described substrate (1) is 30mm～35mm, is highly 30mm～35mm.
4. a kind of back side as claimed in claim 1 open flume type annular double-frequency micro-strip antenna, the outer shroud radius that it is characterized in that described annular radiation patch (2) is 5mm～8mm, interior ring radius is 2mm～4mm.
5. a kind of back side as claimed in claim 1 open flume type annular double-frequency micro-strip antenna, is characterized in that the circumferential weld width of the circular circumferential weld of described opening (3) is 0.5mm～1mm, and opening length is 1mm～2mm, and interior ring radius is 2mm～5mm.
6. a kind of back side as claimed in claim 1 open flume type annular double-frequency micro-strip antenna, is characterized in that the width of described impedance matching input transmission line (4) is 2mm～3mm, and length is 12mm～15mm.
7. a kind of back side as claimed in claim 1 open flume type annular double-frequency micro-strip antenna, the length that it is characterized in that described loading rectangular patch (5) is 2mm～3mm, width is 1mm～3mm, apart from the bottom distance, is 5mm～8mm.
8. a kind of back side as claimed in claim 1 open flume type annular double-frequency micro-strip antenna, the depth of groove that it is characterized in that described groove type metal ground plate (6) is 2mm～3mm, width is 2mm～3mm.
9. a kind of back side as claimed in claim 1 open flume type annular double-frequency micro-strip antenna, the circumferential weld width that it is characterized in that described rectangular aperture circumferential weld (7) is 0.2mm～0.3mm, the length of rectangular circular seam and wide equating,, the length of side is 2mm～3mm, and the length of split ring is 05mm～1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201910965U CN203339305U (en) | 2013-04-11 | 2013-04-11 | Annular double-frequency micro-strip antenna with slot-type back |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201910965U CN203339305U (en) | 2013-04-11 | 2013-04-11 | Annular double-frequency micro-strip antenna with slot-type back |
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| Publication Number | Publication Date |
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| CN203339305U true CN203339305U (en) | 2013-12-11 |
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| CN2013201910965U Expired - Fee Related CN203339305U (en) | 2013-04-11 | 2013-04-11 | Annular double-frequency micro-strip antenna with slot-type back |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115822A1 (en) * | 2015-01-20 | 2016-07-28 | 中兴通讯股份有限公司 | Ring resonator structure and antenna |
| CN106981726A (en) * | 2017-04-01 | 2017-07-25 | 禾邦电子(苏州)有限公司 | A kind of directional aerial |
| CN111262033A (en) * | 2020-03-09 | 2020-06-09 | 西南交通大学 | Ultra-wideband microstrip antenna |
| CN112201946A (en) * | 2020-09-18 | 2021-01-08 | 安徽精卓光显技术有限责任公司 | Intelligent wearable device and transparent antenna for same |
-
2013
- 2013-04-11 CN CN2013201910965U patent/CN203339305U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115822A1 (en) * | 2015-01-20 | 2016-07-28 | 中兴通讯股份有限公司 | Ring resonator structure and antenna |
| CN106981726A (en) * | 2017-04-01 | 2017-07-25 | 禾邦电子(苏州)有限公司 | A kind of directional aerial |
| CN106981726B (en) * | 2017-04-01 | 2024-05-28 | 禾邦电子(苏州)有限公司 | Directional antenna |
| CN111262033A (en) * | 2020-03-09 | 2020-06-09 | 西南交通大学 | Ultra-wideband microstrip antenna |
| CN112201946A (en) * | 2020-09-18 | 2021-01-08 | 安徽精卓光显技术有限责任公司 | Intelligent wearable device and transparent antenna for same |
| CN112201946B (en) * | 2020-09-18 | 2023-01-10 | 安徽精卓光显技术有限责任公司 | Intelligent wearable device and transparent antenna for same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140411 |