CN205050994U - Window shape multifrequency section microstrip antenna - Google Patents
Window shape multifrequency section microstrip antenna Download PDFInfo
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- CN205050994U CN205050994U CN201520837345.2U CN201520837345U CN205050994U CN 205050994 U CN205050994 U CN 205050994U CN 201520837345 U CN201520837345 U CN 201520837345U CN 205050994 U CN205050994 U CN 205050994U
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- paster
- rectangle
- straight
- flanked ring
- rectangular patch
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims description 23
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003872 feeding technique Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a window shape multifrequency section microstrip antenna. It includes the base plate, straight -flanked ring paster, first rectangle paster, second rectangle paster, third rectangle paster, impedance match enter transmission lines, metal grounding plate, the first rectangle paster of straight -flanked ring paster inscription, second rectangle paster, third rectangle paster, rectangle limit left side fourth position department about the straight -flanked ring paster is connected to first rectangle paster, and the intermediate position department on rectangle limit about the straight -flanked ring paster is connected to second rectangle paster, and the intermediate position department on rectangle limit about the straight -flanked ring paster is connected to third rectangle paster, last rectangle fluting and the square fluting of being equipped with of metal grounding plate, impedance match enter transmission lines's upper end links to each other with the downside intermediate position of straight -flanked ring paster, and impedance match enter transmission lines's lower extreme links to each other with the bottom of base plate, and rectangular metal floor board's bottom links to each other with the bottom of base plate. The utility model has the advantages of the frequency channel is many, and the loss is low, and radiation characteristic is stable, and simple structure is small, and the preparation is convenient.
Description
Technical field
The utility model relates to antenna, particularly relates to a kind of window shape multiband microstrip antenna.
Background technology
Deschamps first proposed the concept of microstrip antenna in nineteen fifty-three.Through the development of two more than ten years, Munson and Howell has produced actual microstrip antenna in phase early 1970s.Unique advantages such as microstrip antenna is little, lightweight with its volume, low section cause the extensive concern of association area, have been widely used in wireless devices a large amount of on broad frequency domain.The feature of microstrip antenna is: have more physical parameter than common microwave antenna, can have arbitrary geometry and size; 50 Ω input impedance can be provided, not need match circuit or converter; Than being easier to accurate manufacture, better repeatable; By couple feed, antenna and radio circuit do not need physical connection; Comparatively easily will transmit and receive signal frequency range separately; Antenna pattern has isotropism.Microstrip antenna countries in the world researcher since proposing is devoted to the research of microstrip antenna always, and they have done a large amount of research work from aspects such as the patch shape of antenna, feeding technique, board structure and arrays and have made microstrip antenna obtain further development in theory or on the depth and broadness applied.
Along with microwave equipment to antenna performance require more and more higher, the antenna of single frequency band has been difficult to the demand meeting more devices, and the microstrip antenna of the advantages such as design has multiband, loss is low, radiation characteristic is stablized, structure is simple, volume is little, easy to make seems particularly important.
Summary of the invention
The utility model provides a kind of window shape multiband microstrip antenna, and technical scheme is as follows:
Window shape multiband microstrip antenna comprises substrate, straight-flanked ring paster, the first rectangular patch, the second rectangular patch, the 3rd rectangular patch, impedance matching input transmission line, metal ground plate; The upper surface of substrate is provided with straight-flanked ring paster, the first rectangular patch, the second rectangular patch, the 3rd rectangular patch, and impedance matching input transmission line, connects the first rectangular patch, the second rectangular patch, the 3rd rectangular patch in straight-flanked ring paster; First rectangular patch is connected to 1/4th positions on the left of the upper and lower rectangular edges of straight-flanked ring paster, second rectangular patch is connected to the middle position of the upper and lower rectangular edges of straight-flanked ring paster, and the 3rd rectangular patch is connected to the middle position of straight-flanked ring paster left and right rectangular edges; The lower surface of substrate is provided with metal ground plate, and metal ground plate is provided with rectangular slot and square fluting; Impedance matching input transmission line upper end is connected with the centre position, downside of straight-flanked ring paster, and the impedance matching input lower end of transmission line is connected with the bottom of substrate, and the bottom of rectangular metal ground plate is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and the length of substrate is 40mm ~ 41mm, and width is 40mm ~ 41mm.The outer rectangle of described straight-flanked ring paster is long is 30mm ~ 31mm, and interior rectangle is long is 28mm ~ 29mm, and outer rectangle is wide is 22mm ~ 23mm, and interior rectangle is wide is 20mm ~ 21mm.The first described rectangular patch is identical with the parameter of the second rectangular patch, and length is 18mm ~ 19mm, and width is 2mm ~ 3mm.The length of the 3rd described rectangular patch is 26mm ~ 27mm, and width is 2mm ~ 3mm.The length of described impedance matching input transmission line is 14mm ~ 15mm, and width is 2mm ~ 3mm.The length of described metal ground plate is 40mm ~ 41mm, and wide is 40mm ~ 41mm.The length of described rectangular slot is 20mm ~ 21mm, and wide is 15mm ~ 16mm.The length of side of described square fluting is 10mm ~ 11mm.
Have stable radiation characteristic in utility model works frequency band, loss is low, and structure is simple, the advantages such as volume is little, easy to make.
Accompanying drawing illustrates:
Fig. 1 is the Facad structure figure of window shape multiband microstrip antenna;
Fig. 2 is the structure figure of window shape multiband microstrip antenna;
Fig. 3 is the return loss plot figure of window shape multiband microstrip antenna;
Fig. 4 is the E face of antenna when 2.25GHz, H surface radiation directional diagram;
Fig. 5 is the E face of antenna when 3GHz, H surface radiation directional diagram;
Fig. 6 is the E face of antenna when 5.15GHz, H surface radiation directional diagram;
Fig. 7 is the E face of antenna when 7.66GHz, H surface radiation directional diagram.
Embodiment
As shown in Fig. 1 ~ 2, window shape multiband microstrip antenna comprises substrate 1, straight-flanked ring paster 2, first rectangular patch 3, second rectangular patch the 4, three rectangular patch 5, impedance matching input transmission line 6, metal ground plate 7; The upper surface of substrate 1 is provided with straight-flanked ring paster 2, first rectangular patch 3, second rectangular patch the 4, three rectangular patch 5, and impedance matching input transmission line 6, connects the first rectangular patch 3, second rectangular patch the 4, three rectangular patch 5 in straight-flanked ring paster 2; First rectangular patch 3 is connected to 1/4th positions on the left of straight-flanked ring paster about 2 rectangular edges, second rectangular patch 4 is connected to the middle position of straight-flanked ring paster about 2 rectangular edges, and the 3rd rectangular patch 5 is connected to the middle position of straight-flanked ring paster about 2 rectangular edges; The lower surface of substrate 1 is provided with metal ground plate 7, and metal ground plate 7 is provided with rectangular slot 8 and square fluting 9; The impedance matching input upper end of transmission line 6 is connected with the centre position, downside of straight-flanked ring paster 2, and the lower end of impedance matching input transmission line 6 is connected with the bottom of substrate 1, and the bottom of rectangular metal ground plate 7 is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 40mm ~ 41mm, and width is 40mm ~ 41mm.The outer rectangle of described straight-flanked ring paster 2 is long is 30mm ~ 31mm, and interior rectangle is long is 28mm ~ 29mm, and outer rectangle is wide is 22mm ~ 23mm, and interior rectangle is wide is 20mm ~ 21mm.The first described rectangular patch 3 is identical with the parameter of the second rectangular patch 4, and length is 18mm ~ 19mm, and width is 2mm ~ 3mm.The length of the 3rd described rectangular patch 5 is 26mm ~ 27mm, and width is 2mm ~ 3mm.The length of described impedance matching input transmission line 6 is 14mm ~ 15mm, and width is 2mm ~ 3mm.The length of described metal ground plate 7 is 40mm ~ 41mm, and wide is 40mm ~ 41mm.The length of described rectangular slot 8 is 20mm ~ 21mm, and wide is 15mm ~ 16mm.The length of side of described square fluting 9 is 10mm ~ 11mm.
Embodiment 1
Window shape multiband microstrip antenna:
Select dielectric constant be 4.4 glass-epoxy material make micro-belt substrate, thickness is 1.6mm.The length of substrate is 40mm, and width is 40mm.The outer rectangle of straight-flanked ring paster is long is 30mm, and interior rectangle is long is 28mm, and outer rectangle is wide is 22mm, and interior rectangle is wide is 20mm.First rectangular patch is identical with the parameter of the second rectangular patch, and length is 18mm, and width is 2mm.The length of the 3rd rectangular patch is 26mm, and width is 2mm.The length of impedance matching input transmission line is 14mm, and width is 2mm.The length of metal ground plate is 40mm, and wide is 40mm.The length of rectangular slot is 20mm, and wide is 15mm.The length of side of square fluting is 10mm.The property indices of window shape multiband microstrip antenna adopts CST software to test, the return loss plot of gained as shown in Figure 3, as seen from the figure, the working frequency range of below-10dB is 2.185GHz ~ 2.33GHz, 2.97GHz ~ 3.04GHz, 4.95GHz ~ 5.65GHz, 7.53GHz ~ 7.85GHz.Figure 4 shows that the E face of antenna when 2.25GHz, H face directional diagram, as seen from the figure, when frequency is 2.25GHz, the gain of antenna is 2.67dBi, and half power lobe width is 97.6 °.Figure 5 shows that the E face of antenna when 3GHz, H face directional diagram, as seen from the figure, when frequency is 3GHz, the gain of antenna is 4.03dBi, and half power lobe width is 171.2 °.Figure 6 shows that the E face of antenna when 5.15GHz, H face directional diagram, as seen from the figure, when frequency is 5.15GHz, the gain of antenna is 3.96dBi, and half power lobe width is 98 °.Figure 7 shows that the E face of antenna when 7.66GHz, H face directional diagram, as seen from the figure, when frequency is 7.66GHz, the gain of antenna is 1.96dBi, and half power lobe width is 116.7 °.
Claims (9)
1. a window shape multiband microstrip antenna, it is characterized in that comprising substrate (1), straight-flanked ring paster (2), first rectangular patch (3), second rectangular patch (4), 3rd rectangular patch (5), impedance matching input transmission line (6), metal ground plate (7); The upper surface of substrate (1) is provided with straight-flanked ring paster (2), first rectangular patch (3), second rectangular patch (4), 3rd rectangular patch (5), impedance matching input transmission line (6), the first rectangular patch (3) is connect, the second rectangular patch (4), the 3rd rectangular patch (5) in straight-flanked ring paster (2); First rectangular patch (3) is connected to 1/4th positions on the left of the upper and lower rectangular edges of straight-flanked ring paster (2), second rectangular patch (4) is connected to the middle position of the upper and lower rectangular edges of straight-flanked ring paster (2), and the 3rd rectangular patch (5) is connected to the middle position of straight-flanked ring paster (2) left and right rectangular edges; The lower surface of substrate (1) is provided with metal ground plate (7), and metal ground plate (7) is provided with rectangular slot (8) and square fluting (9); The upper end of impedance matching input transmission line (6) is connected with the centre position, downside of straight-flanked ring paster (2), the lower end of impedance matching input transmission line (6) is connected with the bottom of substrate (1), and the bottom of rectangular metal ground plate (7) is connected with the bottom of substrate (1).
2. a kind of window shape multiband microstrip antenna as claimed in claim 1, it is characterized in that described substrate (1) is glass-epoxy material, the length of substrate (1) is 40mm ~ 41mm, and width is 40mm ~ 41mm.
3. a kind of window shape multiband microstrip antenna as claimed in claim 1, it is characterized in that the outer rectangle of described straight-flanked ring paster (2) is grown for 30mm ~ 31mm, interior rectangle is long is 28mm ~ 29mm, and outer rectangle is wide is 22mm ~ 23mm, and interior rectangle is wide is 20mm ~ 21mm.
4. a kind of window shape multiband microstrip antenna as claimed in claim 1, it is characterized in that described the first rectangular patch (3) is identical with the parameter of the second rectangular patch (4), length is 18mm ~ 19mm, and width is 2mm ~ 3mm.
5. a kind of window shape multiband microstrip antenna as claimed in claim 1, it is characterized in that the length of the 3rd described rectangular patch (5) is 26mm ~ 27mm, width is 2mm ~ 3mm.
6. a kind of window shape multiband microstrip antenna as claimed in claim 1, it is characterized in that the length of described impedance matching input transmission line (6) is 14mm ~ 15mm, width is 2mm ~ 3mm.
7. a kind of window shape multiband microstrip antenna as claimed in claim 1, it is characterized in that the length of described metal ground plate (7) is 40mm ~ 41mm, wide is 40mm ~ 41mm.
8. a kind of window shape multiband microstrip antenna as claimed in claim 1, it is characterized in that the length of described rectangular slot (8) is 20mm ~ 21mm, wide is 15mm ~ 16mm.
9. a kind of window shape multiband microstrip antenna as claimed in claim 1, is characterized in that the length of side of described square fluting (9) is 10mm ~ 11mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837345.2U CN205050994U (en) | 2015-10-23 | 2015-10-23 | Window shape multifrequency section microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837345.2U CN205050994U (en) | 2015-10-23 | 2015-10-23 | Window shape multifrequency section microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205050994U true CN205050994U (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520837345.2U Expired - Fee Related CN205050994U (en) | 2015-10-23 | 2015-10-23 | Window shape multifrequency section microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205050994U (en) |
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2015
- 2015-10-23 CN CN201520837345.2U patent/CN205050994U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160627 Address after: Four 215500 Jiangsu province Changshou City sea Changshu economic and Technological Development Zone No. 11 Science Park Patentee after: Suzhou Tracey Emin Mdt InfoTech Ltd Address before: 201399 Shanghai city Pudong New Area Town Road No. 34 Lane 2585 salt Room 502 Patentee before: Yang Fengying Patentee before: Wu Jingfang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20161023 |