CN203339293U - Tandem fan-shaped coplanar micro-strip antenna - Google Patents
Tandem fan-shaped coplanar micro-strip antenna Download PDFInfo
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- CN203339293U CN203339293U CN2013201652785U CN201320165278U CN203339293U CN 203339293 U CN203339293 U CN 203339293U CN 2013201652785 U CN2013201652785 U CN 2013201652785U CN 201320165278 U CN201320165278 U CN 201320165278U CN 203339293 U CN203339293 U CN 203339293U
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Abstract
The utility model discloses a tandem fan-shaped coplanar micro-strip antenna. The antenna comprises a base plate, two fan-shaped radiation patches, a circular radiation patch, two arc-shaped grooves, an impedance matching input transmission line, and two rectangular metal ground plates. The surface of the base plate is provided with the two fan-shaped radiation patches, the circular radiation patch, the impedance matching input transmission line, and the two rectangular metal ground plates. The two fan-shaped radiation patches, which are respectively disposed at upper and lower sides, are in tandem connection through the circular radiation patch and respectively provided with one arc-shaped groove. The central bottom end of the lower fan-shaped radiation patch is connected with one end of the impedance matching input transmission line, and the other end of the impedance matching input transmission line is connected with the bottom end of the base plate. The two ends of the impedance matching input transmission line are respectively provided with one rectangular metal ground plate in a symmetrical manner. According to the utility model, the micro-strip base plate of the antenna is made of FR4 materials. The antenna is low in cost, good in radiation characteristic, simple in structure, small in size, and convenient for integration.
Description
Technical field
The utility model relates to antenna, relates in particular to the fan-shaped coplanar microstrip antenna of a kind of serial connection.
Technical background
Microstrip antenna is a kind of new antenna grown up after microstrip circuit occurs.From middle nineteen seventies, to application, this antenna has been carried out to a large amount of research from theoretical, technology, the impetus does not subtract so far.Microstrip antenna mainly is used in microwave, millimere-wave band.In actual applications, the size of antenna, weight, cost, performance, installation difficulty or ease and aerodynamics form etc. all are restricted, and at this moment may need the antenna of low section.For meeting these requirements, can select microstrip antenna.This antenna has thin planar structure, is convenient to conformally, manufactures simply, and cost is low.By selecting specific patch shape and feeding classification can obtain required resonance frequency, polarization, pattern, impedance.Can adjust by loading between paster and dielectric substrate each parameters such as resonance frequency, polarization, pattern, impedance simultaneously.
Along with the development of microwave integrated technology and space technology, to the active demand of low profile antenna, launched in the world microstrip antenna extensively and is in depth studied, new construction and high performance microstrip antenna continue to bring out.For Miniaturized Microstrip Antennas, can be structurally novel by the combination of hatch frame and microstrip antenna, miniaturization on size, not only can meet the demand of each frequency range, and on performance, can be easier to meet, therefore, in the urgent need to working out the micro-strip paster antenna of the small-sized co-planar waveguide formula of size structure.
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 serial connection fan-shaped coplanar microstrip antenna.
In order to achieve the above object, the technical solution of the utility model is as follows:
Be connected in series fan-shaped coplanar microstrip antenna and comprise substrate, two fan beam pasters, circular radiation patch, two circular arc flutings, impedance matching input transmission line, two rectangular metal ground plates, the surface of substrate is provided with two fan beam pasters, circular radiation patch, impedance matching input transmission line, two rectangular metal ground plates, the fan beam paster of upper and lower both sides is connected in series by circular radiation patch, respectively be provided with the circular arc fluting on the fan beam paster of upper and lower both sides, the bottom, center of the fan beam paster of downside is connected with an end of impedance matching input transmission line, the other end of impedance matching input transmission line is connected with the bottom of substrate, the two ends of impedance matching input transmission line are provided with symmetrical rectangular metal ground plate, the bottom of rectangular metal ground plate is connected with the bottom of substrate.
Described substrate is the FR4 material, and the width of substrate is 38mm～40mm, is highly 48mm～50mm.The corresponding central angle of described fan beam paster is 60 °～70 °, and exradius is 17mm～18mm, and interior radius of circle is 5mm～6mm.The radius of described circular radiation patch is 5mm～6mm.The described circular arc corresponding central angle of slotting is 40 °～50 °, and groove width is 1mm～1.5mm, and interior radius of circle is 11mm～12mm.The length of described impedance matching input transmission line is 13mm～14mm, and micro belt line width is 3mm～4mm.The length of described rectangular metal ground plate is 17.5mm～18.5mm, and width is 10mm～11mm.
The micro-belt substrate of the utility model is used the FR4 material, has cost and hangs down and good radiation characteristic, and simple in structure, size is small-sized, is convenient to integrated.
The accompanying drawing explanation:
Fig. 1 is the structural front view of the fan-shaped coplanar microstrip antenna of serial connection;
Fig. 2 is the insertion loss figure of the fan-shaped coplanar microstrip antenna of serial connection;
Fig. 3 is the E surface radiation directional diagram of the fan-shaped coplanar microstrip antenna of serial connection when 1.8GHz;
Fig. 4 is the H surface radiation directional diagram of the fan-shaped coplanar microstrip antenna of serial connection when 1.8GHz.
Embodiment
As shown in Figure 1, be connected in series fan-shaped coplanar microstrip antenna and comprise 1, two fan beam paster 2 of substrate, 3, two circular arc flutings 4 of circular radiation patch, 5, two rectangular metal ground plates 6 of impedance matching input transmission line, the surface of substrate 1 is provided with two fan beam pasters 2, circular radiation patch 3, impedance matching input transmission line 5, two rectangular metal ground plates 6, the fan beam paster 2 of upper and lower both sides is by circular radiation patch 3 serial connections, respectively be provided with circular arc fluting 4 on the fan beam paster 2 of upper and lower both sides, the bottom, center of the fan beam paster 2 of downside is connected with an end of impedance matching input transmission line 5, the other end of impedance matching input transmission line 5 is connected with the bottom of substrate 1, the two ends of impedance matching input transmission line 5 are provided with symmetrical rectangular metal ground plate 6, the bottom of rectangular metal ground plate 6 is connected with the bottom of substrate 1.
Described substrate 1 is the FR4 material, and the width of substrate 1 is 38mm～40mm, is highly 48mm～50mm.The corresponding central angle of described fan beam paster 2 is 60 °～70 °, and exradius is 17mm～18mm, and interior radius of circle is 5mm～6mm.The radius of described circular radiation patch 3 is 5mm～6mm.The described circular arc 4 corresponding central angles of slotting are 40 °～50 °, and groove width is 1mm～1.5mm, and interior radius of circle is 11mm～12mm.The length of described impedance matching input transmission line 5 is 13mm～14mm, and micro belt line width is 3mm～4mm.The length of described rectangular metal ground plate 6 is 17.5mm～18.5mm, and width is 10mm～11mm.
Be connected in series fan-shaped coplanar microstrip antenna:
Select the FR4 material that dielectric constant is 4.4 to make micro-belt substrate, thickness is 2mm.The width of substrate is 40mm, is highly 50mm.The corresponding central angle of fan beam paster is 60 °, and exradius is 17mm, and interior radius of circle is 5mm.The radius of circular radiation patch is 5mm.The circular arc corresponding central angle of slotting is 40 °, and groove width is 1mm, and interior radius of circle is 11mm.The length of impedance matching input transmission line is 13mm, and micro belt line width is 4mm.The length of rectangular metal ground plate is 17.5mm, and width is 10mm.The property indices that is connected in series fan-shaped coplanar microstrip antenna adopts CST software to be tested, and the insertion loss curve of gained is as accompanying drawing 2.As seen from the figure, the following working frequency range of-10dB is respectively 1.620GHz～1.954GHz.Fig. 3-4 are depicted as E face and the H face directional diagram of the fan-shaped coplanar microstrip antenna of serial connection when 1.8GHz, as seen from the figure, when frequency is 1.8GHz, gain as 2.1dBi, and the half power lobe width is 85.2 °.
Claims (7)
1. the fan-shaped coplanar microstrip antenna of serial connection, is characterized in that comprising substrate (1), two fan beam pasters (2), circular radiation patch (3), two circular arc flutings (4), impedance matching input transmission line (5), two rectangular metal ground plates (6), the surface of substrate (1) is provided with two fan beam pasters (2), circular radiation patch (3), impedance matching input transmission line (5), two rectangular metal ground plates (6), the fan beam paster (2) of upper and lower both sides is connected in series by circular radiation patch (3), respectively be provided with circular arc fluting (4) on the fan beam paster (2) of upper and lower both sides, the bottom, center of the fan beam paster (2) of downside is connected with an end of impedance matching input transmission line (5), the other end of impedance matching input transmission line (5) is connected with the bottom of substrate (1), the two ends of impedance matching input transmission line (5) are provided with symmetrical rectangular metal ground plate (6), the bottom of rectangular metal ground plate (6) is connected with the bottom of substrate (1).
2. the fan-shaped coplanar microstrip antenna of a kind of serial connection as claimed in claim 1, is characterized in that described substrate (1) is the FR4 material, and the width of substrate (1) is 38mm～40mm, is highly 48mm～50mm.
3. the fan-shaped coplanar microstrip antenna of a kind of serial connection as claimed in claim 1, is characterized in that the corresponding central angle of described fan beam paster (2) is 60 °～70 °, and exradius is 17mm～18mm, and interior radius of circle is 5mm～6mm.
4. the fan-shaped coplanar microstrip antenna of a kind of serial connection as claimed in claim 1, the radius that it is characterized in that described circular radiation patch (3) is 5mm～6mm.
5. the fan-shaped coplanar microstrip antenna of a kind of serial connection as claimed in claim 1, is characterized in that described circular arc fluting (4) corresponding central angle is 40 °～50 °, and groove width is 1mm～1.5mm, and interior radius of circle is 11mm～12mm.
6. the fan-shaped coplanar microstrip antenna of a kind of serial connection as claimed in claim 1, is characterized in that the length of described impedance matching input transmission line (5) is 13mm～14mm, and micro belt line width is 3mm～4mm.
7. the fan-shaped coplanar microstrip antenna of a kind of serial connection as claimed in claim 1, the length that it is characterized in that described rectangular metal ground plate (6) is 17.5mm～18.5mm, width is 10mm～11mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201652785U CN203339293U (en) | 2013-04-02 | 2013-04-02 | Tandem fan-shaped coplanar micro-strip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201652785U CN203339293U (en) | 2013-04-02 | 2013-04-02 | Tandem fan-shaped coplanar micro-strip antenna |
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| Publication Number | Publication Date |
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| CN203339293U true CN203339293U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013201652785U Expired - Fee Related CN203339293U (en) | 2013-04-02 | 2013-04-02 | Tandem fan-shaped coplanar micro-strip antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953261A (en) * | 2015-06-19 | 2015-09-30 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Annular multi-band antenna |
| CN105406173A (en) * | 2014-09-16 | 2016-03-16 | 镇江红宝利电子有限公司 | Single-polarized patch probe antenna with frequency band of 800MHZ-960MHZ |
| CN111969307A (en) * | 2020-06-28 | 2020-11-20 | 南京林业大学 | Symmetrical multi-groove terahertz 6G communication application frequency band antenna |
| CN112635987A (en) * | 2020-12-17 | 2021-04-09 | 中北大学南通智能光机电研究院 | Double-fan-shaped high-gain microstrip patch antenna |
-
2013
- 2013-04-02 CN CN2013201652785U patent/CN203339293U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406173A (en) * | 2014-09-16 | 2016-03-16 | 镇江红宝利电子有限公司 | Single-polarized patch probe antenna with frequency band of 800MHZ-960MHZ |
| CN104953261A (en) * | 2015-06-19 | 2015-09-30 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Annular multi-band antenna |
| CN111969307A (en) * | 2020-06-28 | 2020-11-20 | 南京林业大学 | Symmetrical multi-groove terahertz 6G communication application frequency band antenna |
| CN111969307B (en) * | 2020-06-28 | 2023-08-15 | 南京林业大学 | Symmetrical multi-slot terahertz 6G communication application frequency band antenna |
| CN112635987A (en) * | 2020-12-17 | 2021-04-09 | 中北大学南通智能光机电研究院 | Double-fan-shaped high-gain microstrip patch antenna |
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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: 20140402 |