CN203434281U - Window-shaped slotting-type coplanar microstrip antenna - Google Patents
Window-shaped slotting-type coplanar microstrip antenna Download PDFInfo
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- CN203434281U CN203434281U CN201320557045.XU CN201320557045U CN203434281U CN 203434281 U CN203434281 U CN 203434281U CN 201320557045 U CN201320557045 U CN 201320557045U CN 203434281 U CN203434281 U CN 203434281U
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Abstract
The utility model discloses a window-shaped slotting-type coplanar microstrip antenna. The antenna comprises a substrate, a quarter circle radiation patch, an impedance matching input transmission line, a rectangular ring metal grounding plate, a trapezoid metal grounding plate and a rectangular metal grounding plate. A surface of the substrate is provided with the quarter circle radiation patch, the impedance matching input transmission line, the rectangular ring metal grounding plate, the trapezoid metal grounding plate and the rectangular metal grounding plate. The rectangular ring metal grounding plate is provided with a rectangular slotting, a left upper side triangle groove and a right upper side triangle groove. The rectangular metal grounding plate is provided with a small rectangular slotting. One end of the impedance matching input transmission line is connected with the quarter circle radiation patch. The other end of the impedance matching input transmission line is connected with a bottom end of the substrate. A bottom end of the rectangular ring metal grounding plate is connected with the bottom end of the substrate. An inner ring upper end of the rectangular ring metal grounding plate is connected with one end of the trapezoid metal grounding plate. An inner ring left end of the rectangular ring metal grounding plate is connected with the other end of the trapezoid metal grounding plate. According to the antenna of the utility model, a working frequency band possesses a stable radiation characteristic; losses are low; the structure is simple; the size is small and manufacturing is convenient.
Description
Technical field
The utility model relates to antenna, relates in particular to the coplanar microstrip antenna of a kind of window shape open flume type.
Background technology
Antenna is indispensable important component part in radio communication and detection system, and it is to transmit and receive electromagnetic a kind of equipment.As transmitting antenna, it is electromagnetic wave by the high frequency current transitions being guided by feeder line and launches to specific direction; And as reception antenna, it does contrary conversion again, thereby between any two points, realized the transmission of electromagnetic signal.From the satellite communication system covering the whole world till now of the single point point to-point communication at the beginning of last century, antenna technology has been born role substantially, the most foremost undoubtedly, its importance in social life grows with each passing day, and has nowadays become indispensable part in modern civilization.Microstrip antenna is the class new antenna growing up gradually over nearly 30 years.
Along with scientific and technical develop rapidly, modern society enters the information age, and the transmission fast and widely of information has formed the most important feature of modern society.Popularizing of the development of wireless communication technology and wireless application product, the particularly development of the universal and various wireless communication technologys of handheld communication devices in recent years, from strength to strength, signal bandwidth is also improving constantly the function of electronic equipment.People have higher requirement to requisite antenna performance in radio communication.Therefore, small-sized in the urgent need to working out size, frequency band range is wide, the micro-strip paster antenna that radiation characteristic is good.
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 window shape open flume type 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 window shape open flume type comprises substrate, quadrant ring radiation patch, impedance matching input transmission line, straight-flanked ring metal ground plate, trapezoidal metal ground plate, rectangular metal ground plate; The surface of substrate is provided with quadrant ring radiation patch, impedance matching input transmission line, straight-flanked ring metal ground plate, trapezoidal metal ground plate, rectangular metal ground plate; Straight-flanked ring metal ground plate is provided with rectangle fluting, upper left side vee gutter, upper right side vee gutter; Rectangular metal ground plate is provided with little rectangle fluting; One end of impedance matching input transmission line is connected with quadrant ring radiation patch, the impedance matching input other end of transmission line and the bottom of substrate are connected, the bottom of straight-flanked ring metal ground plate is connected with the bottom of substrate, the interior ring upper end of straight-flanked ring metal ground plate is connected with one end of trapezoidal metal ground plate, and the interior ring left end of straight-flanked ring metal ground plate is connected with the other end of trapezoidal metal ground plate.
Described substrate is glass-epoxy material, and the length of substrate is 40mm～42mm, and width is 40mm～42mm.The radius of described quadrant ring radiation patch is 14mm～15mm, and width is 2mm～3mm.The length of described impedance matching input transmission line is 20mm～21mm, and width is 3mm～4mm.The length of described straight-flanked ring metal ground plate is 40mm～42mm, and width is 40mm～42mm.Two right-angle side length of described upper left side vee gutter are all 7mm～8mm.Two right-angle side length of described upper right side vee gutter are all 7mm～8mm.The length of described rectangle fluting is 6mm～7mm, and width is 4mm～5mm.The upper base edge lengths of described trapezoidal metal ground plate is 15mm～16mm, and bottom length is 16mm～17mm, is highly 1mm～1.5mm.The length of described rectangular metal ground plate is 8mm～9mm, and width is 6mm～7mm.The length of described little rectangle fluting is 7mm～8mm, and width is 5mm～6mm.
In the utility model working band, have stable radiation characteristic, loss is low, simple in structure, and volume is little, easy to make.
Accompanying drawing explanation:
Fig. 1 is the Facad structure figure of the coplanar microstrip antenna of window shape open flume type;
Fig. 2 is the loss figure of the coplanar microstrip antenna of window shape open flume type;
Fig. 3 is the E surface radiation directional diagram of the coplanar microstrip antenna of window shape open flume type when 3.4GHz;
Fig. 4 is the H surface radiation directional diagram of the coplanar microstrip antenna of window shape open flume type when 3.4GHz;
Fig. 5 is the E surface radiation directional diagram of the coplanar microstrip antenna of window shape open flume type when 7.4GHz;
Fig. 6 is the H surface radiation directional diagram of the coplanar microstrip antenna of window shape open flume type when 7.4GHz.
Embodiment
As shown in Figure 1, the coplanar microstrip antenna of window shape open flume type comprises substrate 1, quadrant ring radiation patch 2, impedance matching input transmission line 3, straight-flanked ring metal ground plate 4, trapezoidal metal ground plate 8, rectangular metal ground plate 9; The surface of substrate 1 is provided with quadrant ring radiation patch 2, impedance matching input transmission line 3, straight-flanked ring metal ground plate 4, trapezoidal metal ground plate 8, rectangular metal ground plate 9; Straight-flanked ring metal ground plate 4 is provided with rectangle fluting 7, upper left side vee gutter 5, upper right side vee gutter 6; Rectangular metal ground plate 9 is provided with little rectangle fluting 10; One end of impedance matching input transmission line 3 is connected with quadrant ring radiation patch 2, the other end of impedance matching input transmission line 3 is connected with the bottom of substrate 1, the bottom of straight-flanked ring metal ground plate 9 is connected with the bottom of substrate 1, the interior ring upper end of straight-flanked ring metal ground plate 4 is connected with one end of trapezoidal metal ground plate 8, and the interior ring left end of straight-flanked ring metal ground plate 4 is connected with the other end of trapezoidal metal ground plate 8.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 40mm～42mm, and width is 40mm～42mm.The radius of described quadrant ring radiation patch 2 is 14mm～15mm, and width is 2mm～3mm.The length of described impedance matching input transmission line 3 is 20mm～21mm, and width is 3mm～4mm.The length of described straight-flanked ring metal ground plate 4 is 40mm～42mm, and width is 40mm～42mm.Two right-angle side length of described upper left side vee gutter 5 are all 7mm～8mm.Two right-angle side length of described upper right side vee gutter 6 are all 7mm～8mm.The length of described rectangle fluting 7 is 6mm～7mm, and width is 4mm～5mm.The upper base edge lengths of described trapezoidal metal ground plate 8 is 15mm～16mm, and bottom length is 16mm～17mm, is highly 1mm～1.5mm.The length of described rectangular metal ground plate 9 is 8mm～9mm, and width is 6mm～7mm.The length of described little rectangle fluting 10 is 7mm～8mm, and width is 5mm～6mm.
Embodiment 1
The coplanar microstrip antenna of window shape open flume type:
Select the glass-epoxy material that dielectric constant is 4.2 to make micro-belt substrate, thickness is 1.7mm.The length of substrate is 40mm, and width is 40mm.The radius of quadrant ring radiation patch is 14mm, and width is 2mm.The length of impedance matching input transmission line is 20mm, and width is 3mm.The length of straight-flanked ring metal ground plate is 40mm, and width is 40mm.Two right-angle side length of upper left side vee gutter are all 7mm.Two right-angle side length of upper right side vee gutter are all 7mm.The length of rectangle fluting is 6mm, and width is 4mm.The upper base edge lengths of trapezoidal metal ground plate is 15mm, and bottom length is 16mm, is highly 1mm.The length of rectangular metal ground plate is 8mm, and width is 6mm.The length of little rectangle fluting is 7mm, and width is 5mm.The property indices of the coplanar microstrip antenna of window shape open flume type adopts CST software to test, and the insertion loss curve of gained is as accompanying drawing 2.As seen from the figure, the working frequency range below-10dB is respectively 2.68GHz～4.84GHz, 6.79GHz～8.56GHz.Fig. 3-4 are depicted as E face and the H face directional diagram of the coplanar microstrip antenna of window shape open flume type when 3.4GHz, as seen from the figure, when frequency is 3.4GHz, gain as 3.1dBi, and half power lobe width is 80.1 °; Fig. 5-6 are depicted as E face and the H face directional diagram of the coplanar microstrip antenna of window shape open flume type when 7.4GHz, as seen from the figure, when frequency is 7.4GHz, gain as 2.3dBi, and half power lobe width is 59 °.
Claims (11)
1. the coplanar microstrip antenna of window shape open flume type, it is characterized in that comprising substrate (1), quadrant ring radiation patch (2), impedance matching input transmission line (3), straight-flanked ring metal ground plate (4), trapezoidal metal ground plate (8), rectangular metal ground plate (9); The surface of substrate (1) is provided with quadrant ring radiation patch (2), impedance matching input transmission line (3), straight-flanked ring metal ground plate (4), trapezoidal metal ground plate (8), rectangular metal ground plate (9); Straight-flanked ring metal ground plate (4) is provided with rectangle fluting (7), upper left side vee gutter (5), upper right side vee gutter (6); Rectangular metal ground plate (9) is provided with little rectangle fluting (10); One end of impedance matching input transmission line (3) is connected with quadrant ring radiation patch (2), the other end of impedance matching input transmission line (3) is connected with the bottom of substrate (1), the bottom of straight-flanked ring metal ground plate (9) is connected with the bottom of substrate (1), the interior ring upper end of straight-flanked ring metal ground plate (4) is connected with one end of trapezoidal metal ground plate (8), and the interior ring left end of straight-flanked ring metal ground plate (4) is connected with the other end of trapezoidal metal ground plate (8).
2. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that described substrate (1) is glass-epoxy material, and the length of substrate (1) is 40mm～42mm, and width is 40mm～42mm.
3. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that the radius of described quadrant ring radiation patch (2) is 14mm～15mm, and width is 2mm～3mm.
4. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that the length of described impedance matching input transmission line (3) is 20mm～21mm, and width is 3mm～4mm.
5. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that the length of described straight-flanked ring metal ground plate (4) is 40mm～42mm, and width is 40mm～42mm.
6. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that two right-angle side length of described upper left side vee gutter (5) are all 7mm～8mm.
7. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that two right-angle side length of described upper right side vee gutter (6) are all 7mm～8mm.
8. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that the length of described rectangle fluting (7) is 6mm～7mm, and width is 4mm～5mm.
9. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that the upper base edge lengths of described trapezoidal metal ground plate (8) is 15mm～16mm, and bottom length is 16mm～17mm, is highly 1mm～1.5mm.
10. the coplanar microstrip antenna of a kind of window shape open flume type as claimed in claim 1, is characterized in that the length of described rectangular metal ground plate (9) is 8mm～9mm, and width is 6mm～7mm.
The coplanar microstrip antenna of 11. a kind of window shape open flume type as claimed in claim 1, is characterized in that the length of described little rectangle fluting (10) is 7mm～8mm, and width is 5mm～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557045.XU CN203434281U (en) | 2013-09-04 | 2013-09-04 | Window-shaped slotting-type coplanar microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557045.XU CN203434281U (en) | 2013-09-04 | 2013-09-04 | Window-shaped slotting-type coplanar microstrip antenna |
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| Publication Number | Publication Date |
|---|---|
| CN203434281U true CN203434281U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320557045.XU Expired - Fee Related CN203434281U (en) | 2013-09-04 | 2013-09-04 | Window-shaped slotting-type coplanar microstrip antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824778A (en) * | 2022-05-25 | 2022-07-29 | 陕西北斗科技开发应用有限公司 | Multi-frequency plane microstrip antenna applied to 5G communication and Beidou positioning |
-
2013
- 2013-09-04 CN CN201320557045.XU patent/CN203434281U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824778A (en) * | 2022-05-25 | 2022-07-29 | 陕西北斗科技开发应用有限公司 | Multi-frequency plane microstrip antenna applied to 5G communication and Beidou positioning |
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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: 20140212 Termination date: 20140904 |
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| EXPY | Termination of patent right or utility model |