CN203180063U - Bended T-shaped single-frequency coplanar microstrip antenna - Google Patents
Bended T-shaped single-frequency coplanar microstrip antenna Download PDFInfo
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- CN203180063U CN203180063U CN 201320022735 CN201320022735U CN203180063U CN 203180063 U CN203180063 U CN 203180063U CN 201320022735 CN201320022735 CN 201320022735 CN 201320022735 U CN201320022735 U CN 201320022735U CN 203180063 U CN203180063 U CN 203180063U
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Abstract
The utility model discloses a bended T-shaped single-frequency coplanar microstrip antenna, comprising a microstrip substrate, a radiation paster, a bended radiation paster, an impedance matching input transmission line, a large rectangular metal ground plate, and a small rectangular metal ground plate, wherein the radiation paster, the bended radiation paster, the impedance matching input transmission line, the large rectangular metal ground plate, and the small rectangular metal ground plate are arranged on the surface of the microstrip substrate; one end of the impedance matching input transmission line is connected with the radiation paster; the other end of the impedance matching input transmission line is connected with the microstrip substrate; the bended radiation paster is connected with the left end of the radiation paster; and the large rectangular metal ground plate and the small rectangular metal ground plate are distributed at the two ends of the impedance matching input transmission line at equal spacing distance from the impedance matching input transmission line. The microstrip substrate of the bended T-shaped single-frequency coplanar microstrip antenna is made of FR4 materials, and the bended T-shaped single-frequency coplanar microstrip antenna is advantaged by low loss, low cost, good radiation characteristics, simple structure, and convenient integration.
Description
Technical field
The utility model relates to antenna, relates in particular to the coplanar microstrip antenna of a kind of bending T shape single-frequency.
Technical background
Be the communication mode that the Modern wireless communication of representative is changing people with wireless high-speed online and wireless video on-demand etc., the while has also proposed higher rate, more requirement such as large coverage.WiMAX is the abbreviation of World Interoperability for Microwave Access, it is World Interoperability for Microwave Access, WiMax, it is a kind of emerging wireless metropolitan area network technology, its transmission rate can reach up to a hundred million, can provide WiMAX at a high speed to connect, thereby be subjected to paying close attention to very widely.
It is that the radiocommunication assembly of holding before WorldCom's conference in 2007 is determined that International Telecommunication Union determines WiMAX to become 3G standard.Do not needing under the situation of direct sighting distance base station, the broadband wireless access metropolitan area network WiMAX technology based on the IEEE802.16 standard can provide fixing, mobile, portable connection for WiMAX.
Along with microwave development of integration 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.Compare with common microwave antenna, microstrip antenna have thin profile, volume little, simple in structure, be fit to printed circuit technique produce in enormous quantities, can be conformal with carrier, be easy to integrated, make simple, be easy to realize the multiple advantage of dual polarization etc.The not available advantage of antenna of other types such as micro-strip paster antenna is little with its efficient height, size, analytical method maturation and being used widely.
Summary of the invention
The utility model is big in order to overcome prior art loss in WLAN (wireless local area network), and the low deficiency that gains provides a kind of bending T shape single-frequency coplanar microstrip antenna.
In order to achieve the above object, the technical solution of the utility model is as follows:
The coplanar microstrip antenna of bending T shape single-frequency comprises little belt substrate, radiation patch, bending radiation patch, impedance matching input transmission line, large rectangle metal ground plate, little rectangular metal ground plate; The surface of little belt substrate is provided with radiation patch, bending radiation patch, impedance matching input transmission line, large rectangle metal ground plate, little rectangular metal ground plate, one end of impedance matching input transmission line links to each other with radiation patch, the other end of impedance matching input transmission line links to each other with little belt substrate, the bending radiation patch links to each other with the left end of radiation patch, large rectangle metal ground plate and little rectangular metal ground plate uniformly-spaced range distribution at the two ends of impedance matching input transmission line.
Described little belt substrate is glass-epoxy (FR4) material.The length of described little belt substrate is 40mm～45mm, and wide is 25mm～30mm.The left end length of described radiation patch is 8mm～10mm, and the left end width is 5mm～6mm; Right-hand member length is 14mm～15mm, and the right-hand member width is 2mm～3mm.The total length of described bending radiation patch is 12mm～13mm, and overall width is 14mm～16mm.The length of described impedance matching input transmission line is 20mm～25mm, and width is 6mm～8mm.The width of described large rectangle metal ground plate is 12mm～15mm, highly is 20mm～25mm.The width of described little rectangular metal ground plate is 12mm～15mm, highly is 10mm～12mm.Described large rectangle metal ground plate, little rectangular metal ground plate equate with the spacing distance of impedance matching input transmission line, are 1mm～2mm.
Little belt substrate of the present utility model uses the FR4 material, has, and loss is low, and cost is low and radiation characteristic good, and is simple in structure, is convenient to integrated.
Description of drawings:
Fig. 1 is the structural front view of the coplanar microstrip antenna of bending T shape single-frequency;
Fig. 2 is the insertion loss figure of the coplanar microstrip antenna of bending T shape single-frequency;
Fig. 3 is the E surface radiation directional diagram of the coplanar microstrip antenna of bending T shape single-frequency when 4.5GHz;
Fig. 4 is the H surface radiation directional diagram of the coplanar microstrip antenna of bending T shape single-frequency when 4.5GHz.
Embodiment
As shown in Figure 1, the coplanar microstrip antenna of bending T shape single-frequency comprises little belt substrate 1, radiation patch 2, bending radiation patch 3, impedance matching input transmission line 4, large rectangle metal ground plate 5, little rectangular metal ground plate 6; The surface of little belt substrate 1 is provided with radiation patch 2, bending radiation patch 3, impedance matching input transmission line 4, large rectangle metal ground plate 5, little rectangular metal ground plate 6, one end of impedance matching input transmission line 3 links to each other with radiation patch 2, the other end of impedance matching input transmission line 3 links to each other with little belt substrate 1, bending radiation patch 3 links to each other with the left end of radiation patch 2, large rectangle metal ground plate 5 and little rectangular metal ground plate 6 uniformly-spaced range distribution at the two ends of impedance matching input transmission line 4.
Described little belt substrate 1 is glass-epoxy (FR4) material.The length of described little belt substrate 1 is 40mm～45mm, and wide is 25mm～30mm.The left end length of described radiation patch 2 is 8mm～10mm, and the left end width is 5mm～6mm; Right-hand member length is 14mm～15mm, and the right-hand member width is 2mm～3mm.The total length of described bending radiation patch 3 is 12mm～13mm, and overall width is 14mm～16mm.The length of described impedance matching input transmission line 4 is 20mm～25mm, and width is 6mm～8mm.The width of described large rectangle metal ground plate 5 is 12mm～15mm, highly is 20mm～25mm.The width of described little rectangular metal ground plate 5 is 12mm～15mm, highly is 10mm～12mm.Described large rectangle metal ground plate 5, little rectangular metal ground plate 6 equate with the spacing distance of impedance matching input transmission line 4, are 1mm～2mm.
The coplanar microstrip antenna of bending T shape single-frequency:
Selecting dielectric constant is that 4.9 FR4 material is made little belt substrate, and thickness is 1.6mm.The length of little belt substrate is 40mm, and wide is 0mm.The left end length of radiation patch is 10mm, and the left end width is 6mm; Right-hand member length is 15mm, and the right-hand member width is 3mm.The total length of bending radiation patch is 12mm, and overall width is 14mm.The length of impedance matching input transmission line is 25mm, and width is 8mm.The width of large rectangle metal ground plate is 15mm, highly is 20mm.The width of little rectangular metal ground plate is 15mm, highly is 10mm.Large rectangle metal ground plate, little rectangular metal ground plate equate with the spacing distance of impedance matching input transmission line, are 1mm.Every performance index of the coplanar microstrip antenna of bending T shape single-frequency adopt CST software to test the insertion damage curve of gained such as accompanying drawing 2.As seen from the figure ,-the following working frequency range 4.21-5.50GHz of 10dB.Fig. 3-4 is depicted as the coplanar microstrip antenna of bending T shape single-frequency the E face when 4.5GHz and H face directional diagram respectively, and when frequency was 4.5GHz, gaining was that 4.1dBi, half power lobe width are 63.2 °.
Claims (9)
1. the coplanar microstrip antenna of bending T shape single-frequency is characterized in that comprising little belt substrate (1), radiation patch (2), bending radiation patch (3), impedance matching input transmission line (4), large rectangle metal ground plate (5), little rectangular metal ground plate (6); The surface of little belt substrate (1) is provided with radiation patch (2), bending radiation patch (3), impedance matching input transmission line (4), large rectangle metal ground plate (5), little rectangular metal ground plate (6), one end of impedance matching input transmission line (3) links to each other with radiation patch (2), the other end of impedance matching input transmission line (3) links to each other with little belt substrate (1), bending radiation patch (3) links to each other with the left end of radiation patch (2), and large rectangle metal ground plate (5) and little rectangular metal ground plate (6) uniformly-spaced range distribution are imported the two ends of transmission line (4) in impedance matching.
2. the coplanar microstrip antenna of a kind of bending T shape single-frequency as claimed in claim 1 is characterized in that described little belt substrate (1) is glass-epoxy (FR4) material.
3. the coplanar microstrip antenna of a kind of bending T shape single-frequency as claimed in claim 1, the length that it is characterized in that described little belt substrate (1) is 40mm～45mm, wide is 25mm～30mm.
4. the coplanar microstrip antenna of a kind of bending T shape single-frequency as claimed in claim 1, the left end length that it is characterized in that described radiation patch (2) is 8mm～10mm, the left end width is 5mm～6mm; Right-hand member length is 14mm～15mm, and the right-hand member width is 2mm～3mm.
5. the coplanar microstrip antenna of a kind of bending T shape single-frequency as claimed in claim 1, the total length that it is characterized in that described bending radiation patch (3) is 12mm～13mm, overall width is 14mm～16mm.
6. the coplanar microstrip antenna of a kind of bending T shape single-frequency as claimed in claim 1 is characterized in that the length of described impedance matching input transmission line (4) is 20mm～25mm, and width is 6mm～8mm.
7. the coplanar microstrip antenna of a kind of bending T shape single-frequency as claimed in claim 1, the width that it is characterized in that described large rectangle metal ground plate (5) is 12mm～15mm, highly is 20mm～25mm.
8. the coplanar microstrip antenna of a kind of bending T shape single-frequency as claimed in claim 1, the width that it is characterized in that described little rectangular metal ground plate (5) is 12mm～15mm, highly is 10mm～12mm.
9. the coplanar microstrip antenna of a kind of bending T shape single-frequency as claimed in claim 1, it is characterized in that described large rectangle metal ground plate (5), little rectangular metal ground plate (6) equate with the spacing distance of impedance matching input transmission line (4), are 1mm～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022735 CN203180063U (en) | 2013-01-14 | 2013-01-14 | Bended T-shaped single-frequency coplanar microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022735 CN203180063U (en) | 2013-01-14 | 2013-01-14 | Bended T-shaped single-frequency coplanar microstrip antenna |
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| Publication Number | Publication Date |
|---|---|
| CN203180063U true CN203180063U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320022735 Expired - Fee Related CN203180063U (en) | 2013-01-14 | 2013-01-14 | Bended T-shaped single-frequency coplanar microstrip antenna |
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| CN (1) | CN203180063U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618137A (en) * | 2013-11-07 | 2014-03-05 | 中国计量学院 | Grating structure-shaped coplanar broadband antenna |
| CN107706534A (en) * | 2017-11-16 | 2018-02-16 | 上海龙华汽车配件有限公司 | A kind of Conformal Microstrip Antennas |
-
2013
- 2013-01-14 CN CN 201320022735 patent/CN203180063U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618137A (en) * | 2013-11-07 | 2014-03-05 | 中国计量学院 | Grating structure-shaped coplanar broadband antenna |
| CN103618137B (en) * | 2013-11-07 | 2016-01-06 | 中国计量学院 | The coplanar all channel antenna of optical grating construction shape |
| CN107706534A (en) * | 2017-11-16 | 2018-02-16 | 上海龙华汽车配件有限公司 | A kind of Conformal Microstrip Antennas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130904 Termination date: 20140114 |