CN203398279U - A triple-branch coplanar microstrip antenna - Google Patents
A triple-branch coplanar microstrip antenna Download PDFInfo
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- CN203398279U CN203398279U CN201320520148.9U CN201320520148U CN203398279U CN 203398279 U CN203398279 U CN 203398279U CN 201320520148 U CN201320520148 U CN 201320520148U CN 203398279 U CN203398279 U CN 203398279U
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Abstract
The utility model discloses a triple-branch coplanar microstrip antenna. The microstrip antenna comprises a substrate, a C-shaped paster, a left rectangular connecting line, a right rectangular connecting line, an L-shaped paster, a right rectangular paster, a middle rectangular paster, an impedance match input transmission line, and a rectangular grounding board. The C-shaped paster, the left rectangular connecting line, the right rectangular connecting line, the L-shaped paster, the right rectangular paster, the middle rectangular paster, the impedance match input transmission line, and the rectangular grounding board are disposed on the top surface of the substrate. The bottom of the right side of the C-shaped paster is connected with the top of the left rectangular connecting line. The bottom of the left side of the L-shaped paster is connected with the top of the right rectangular connecting line. The bottom of the left rectangular connecting line, the bottom of the right rectangular connecting line, and the bottom of the right rectangular paster are connected with the top of the middle rectangular paster. The middle bottom of the middle rectangular paster is connected with the top of the impedance match input transmission line. The bottom of the impedance match input transmission line is connected with the bottom of the substrate. The bottom of the rectangular grounding board is connected with the bottom of the substrate. The triple-branch coplanar microstrip antenna has advantages of low loss, a good radiation characteristic, low cost, a small size, easy production, and easy integration.
Description
Technical field
The utility model relates to antenna, relates in particular to the coplanar formula microstrip antenna of a kind of three minor matters.
Background technology
That microstrip antenna has is lightweight, volume is little, cost is low, easily process and be easy to and the advantage such as microwave circuit is integrated.Given this unique version and excellent performance, the research of microstrip antenna has become an important directions in field of antenna.
Be accompanied by the high development of global communication industry, microstrip antenna research has mainly comprised can work in the microstrip antenna designs of two-band and multiband and the design that can increase frequency bandwidth.In communication system, antenna works in a plurality of frequency ranges, can not only effectively simplify like this structure of system, the volume of reduction device systems, has also further promoted the miniaturization of antenna simultaneously.The antenna that works in two-band can be used as the antenna of transmit-receive sharing, and system just can be processed the signal of two separates frequency bands of synchronized transmissions and reception like this.
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 three minor matters coplanar formula microstrip antenna.
In order to achieve the above object, the technical solution of the utility model is as follows:
The coplanar band antenna that declines of three minor matters comprises substrate, C shape paster, left rectangle connecting line, right rectangle connecting line, L shaped paster, right rectangular patch, middle rectangular patch, impedance matching input transmission line, rectangle ground plate, the upper surface of substrate is provided with C shape paster, left rectangle connecting line, right rectangle connecting line, L shaped paster, right rectangular patch, middle rectangular patch, impedance matching input transmission line, rectangle ground plate, the bottom, right side of C shape paster is connected with the top of left rectangle connecting line, the bottom, left side of L shaped paster is connected with the top of right rectangle connecting line, left rectangle connecting line, right rectangle connecting line, the bottom of right rectangular patch is connected with the top of middle rectangular patch, the bottom, center of middle rectangular patch is connected with the top of impedance matching input transmission line, the impedance matching input bottom of transmission line and the bottom of substrate are connected, the bottom of rectangle ground plate is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and the length of substrate is 40mm～45mm, and width is 20mm～25mm.The total length of described C shape paster is 8mm～12mm, and overall width is 4mm～6mm, and paster width is 1mm～2mm.The length of described left rectangle connecting line is 10mm～15mm, and width is 2mm～3mm.The length of described right rectangle connecting line is 10mm～15mm, and width is 1mm～2mm.The total length of described L shaped paster is 3mm～5mm, and overall width is 4mm～6mm, and paster width is 1mm～2mm.The length of described right rectangular patch is 2mm～4mm, and width is 2mm～3mm.The length of described middle rectangular patch is 8mm～10mm, and width is 2mm～3mm.The length of described impedance matching input transmission line is 15mm～20mm, and width is 1mm～3mm.The length of described rectangle ground plate is 10mm～15mm, and width is 8mm～10mm.
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 microstrip antenna of three minor matters;
Fig. 2 is the loss figure of the coplanar formula microstrip antenna of three minor matters;
Fig. 3 is the E surface radiation directional diagram of the coplanar formula microstrip antenna of three minor matters when 2.4GHz;
Fig. 4 is the H surface radiation directional diagram of the coplanar formula microstrip antenna of three minor matters when 2.4GHz;
Fig. 5 is the E surface radiation directional diagram of the coplanar formula microstrip antenna of three minor matters when 2.8GHz;
Fig. 6 is the H surface radiation directional diagram of the coplanar formula microstrip antenna of three minor matters when 2.8GHz.
Embodiment
As shown in Figure 1, the coplanar band antenna that declines of three minor matters comprises substrate 1, C shape paster 2, left rectangle connecting line 3, right rectangle connecting line 4, L shaped paster 5, right rectangular patch 6, middle rectangular patch 7, impedance matching input transmission line 8, rectangle ground plate 9, the upper surface of substrate 1 is provided with C shape paster 2, left rectangle connecting line 3, right rectangle connecting line 4, L shaped paster 5, right rectangular patch 6, middle rectangular patch 7, impedance matching input transmission line 8, rectangle ground plate 9, the bottom, right side of C shape paster 2 is connected with the top of left rectangle connecting line 3, the bottom, left side of L shaped paster 5 is connected with the top of right rectangle connecting line 4, left rectangle connecting line 3, right rectangle connecting line 4, the bottom of right rectangular patch 6 is connected with the top of middle rectangular patch 7, the bottom, center of middle rectangular patch 7 is connected with the top of impedance matching input transmission line 8, the bottom of impedance matching input transmission line 8 is connected with the bottom of substrate 1, the bottom of rectangle 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 40mm～45mm, and width is 20mm～25mm.The total length of described C shape paster 2 is 8mm～12mm, and overall width is 4mm～6mm, and paster width is 1mm～2mm.The length of described left rectangle connecting line 3 is 10mm～15mm, and width is 2mm～3mm.The length of described right rectangle connecting line 4 is 10mm～15mm, and width is 1mm～2mm.The total length of described L shaped paster 5 is 3mm～5mm, and overall width is 4mm～6mm, and paster width is 1mm～2mm.The length of described right rectangular patch 6 is 2mm～4mm, and width is 2mm～3mm.The length of described middle rectangular patch 7 is 8mm～10mm, and width is 2mm～3mm.The length of described impedance matching input transmission line 8 is 15mm～20mm, and width is 1mm～3mm.The length of described rectangle ground plate 9 is 10mm～15mm, and width is 8mm～10mm.
The coplanar formula microstrip antenna of three minor matters:
Select the glass-epoxy material that dielectric constant is 4.4 to make micro-belt substrate, thickness is 1.6mm.The length of substrate is 40mm, and width is 20mm.The total length of C shape paster is 10mm, and overall width is 5mm, and paster width is 1mm.The length of left rectangle connecting line is 12mm, and width is 2mm.The length of right rectangle connecting line is 12mm, and width is 1mm.The total length of L shaped paster is 4mm, and overall width is 4.5mm, and paster width is 1mm.The length of right rectangular patch is 2mm, and width is 2mm.The length of middle rectangular patch is 8.5mm, and width is 2mm.The length of impedance matching input transmission line is 16mm, and width is 2mm.The length of rectangle ground plate is 13mm, and width is 8.5mm.The property indices of the coplanar formula microstrip antenna of three minor matters adopts CST software to test, and the insertion loss curve of gained as shown in Figure 2.As seen from the figure ,-working frequency range below 10dB is 2.23GHz～2.45GHz and 2.69GHz～2.94GHz.Fig. 3-4 are depicted as E face and the H face directional diagram of the coplanar formula microstrip antenna of three minor matters when 2.4GHz, as seen from the figure, when frequency is 2.4GHz, gain as 2.0dBi, and half power lobe width is 86.6 °.Fig. 5-6 are depicted as E face and the H face directional diagram of the coplanar formula microstrip antenna of three minor matters when 2.8GHz, as seen from the figure, when frequency is 2.8GHz, gain as 2.1dBi, and half power lobe width is 82.8 °.
Claims (10)
1. the coplanar formula microstrip antenna of minor matters, it is characterized in that comprising substrate (1), C shape paster (2), left rectangle connecting line (3), right rectangle connecting line (4), L shaped paster (5), right rectangular patch (6), middle rectangular patch (7), impedance matching input transmission line (8), rectangle ground plate (9), the upper surface of substrate (1) is provided with C shape paster (2), left rectangle connecting line (3), right rectangle connecting line (4), L shaped paster (5), right rectangular patch (6), middle rectangular patch (7), impedance matching input transmission line (8), rectangle ground plate (9), the bottom, right side of C shape paster (2) is connected with the top of left rectangle connecting line (3), the bottom, left side of L shaped paster (5) is connected with the top of right rectangle connecting line (4), left rectangle connecting line (3), right rectangle connecting line (4), the bottom of right rectangular patch (6) is connected with the top of middle rectangular patch (7), the bottom, center of middle rectangular patch (7) is connected with the top of impedance matching input transmission line (8), the bottom of impedance matching input transmission line (8) is connected with the bottom of substrate (1), the bottom of rectangle ground plate (9) is connected with the bottom of substrate (1).
2. the coplanar formula microstrip antenna of a kind of three minor matters 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 20mm～25mm.
3. the coplanar formula microstrip antenna of a kind of three minor matters as claimed in claim 1, is characterized in that the total length of described C shape paster (2) is 8mm～12mm, and overall width is 4mm～6mm, and paster width is 1mm～2mm.
4. the coplanar formula microstrip antenna of a kind of three minor matters as claimed in claim 1, is characterized in that the length of described left rectangle connecting line (3) is 10mm～15mm, and width is 2mm～3mm.
5. the coplanar formula microstrip antenna of a kind of three minor matters as claimed in claim 1, is characterized in that the length of described right rectangle connecting line (4) is 10mm～15mm, and width is 1mm～2mm.
6. the coplanar formula microstrip antenna of a kind of three minor matters as claimed in claim 1, is characterized in that the total length of described L shaped paster (5) is 3mm～5mm, and overall width is 4mm～6mm, and paster width is 1mm～2mm.
7. the coplanar formula microstrip antenna of a kind of three minor matters as claimed in claim 1, is characterized in that the length of described right rectangular patch (6) is 2mm～4mm, and width is 2mm～3mm.
8. the coplanar formula microstrip antenna of a kind of three minor matters as claimed in claim 1, is characterized in that the length of described middle rectangular patch (7) is 8mm～10mm, and width is 2mm～3mm.
9. the coplanar formula microstrip antenna of a kind of three minor matters as claimed in claim 1, is characterized in that the length of described impedance matching input transmission line (8) is 15mm～20mm, and width is 1mm～3mm.
10. the coplanar formula microstrip antenna of a kind of three minor matters as claimed in claim 1, is characterized in that the length of described rectangle ground plate (9) is 10mm～15mm, and width is 8mm～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520148.9U CN203398279U (en) | 2013-08-22 | 2013-08-22 | A triple-branch coplanar microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520148.9U CN203398279U (en) | 2013-08-22 | 2013-08-22 | A triple-branch coplanar microstrip antenna |
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| Publication Number | Publication Date |
|---|---|
| CN203398279U true CN203398279U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320520148.9U Expired - Fee Related CN203398279U (en) | 2013-08-22 | 2013-08-22 | A triple-branch coplanar microstrip antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666755A (en) * | 2018-06-14 | 2018-10-16 | 南京濠暻通讯科技有限公司 | A kind of novel miniaturization multiband omnidirectional terminal antenna |
-
2013
- 2013-08-22 CN CN201320520148.9U patent/CN203398279U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666755A (en) * | 2018-06-14 | 2018-10-16 | 南京濠暻通讯科技有限公司 | A kind of novel miniaturization multiband omnidirectional terminal antenna |
| CN108666755B (en) * | 2018-06-14 | 2023-06-30 | 南京濠暻通讯科技有限公司 | Novel miniaturized multifrequency section qxcomm technology terminal antenna |
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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: 20140822 |
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| EXPY | Termination of patent right or utility model |