CN204289701U - Fly swatter microstrip - Google Patents
Fly swatter microstrip Download PDFInfo
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- CN204289701U CN204289701U CN201420777997.7U CN201420777997U CN204289701U CN 204289701 U CN204289701 U CN 204289701U CN 201420777997 U CN201420777997 U CN 201420777997U CN 204289701 U CN204289701 U CN 204289701U
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- paster
- zigzag
- shaped
- microstrip
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Abstract
The utility model discloses a kind of fly swatter microstrip.It comprises substrate, the first U-shaped paster, the second U-shaped paster, the 3rd U-shaped paster, the first zigzag paster, the second zigzag paster, impedance matching input transmission line, the first rectangular metal ground plate, the second rectangular metal ground plate; The upper surface of substrate is provided with the first U-shaped paster, the second U-shaped paster, the 3rd U-shaped paster, the first zigzag paster, the second zigzag paster, impedance matching input transmission line; The lower surface of substrate is provided with the first rectangular metal ground plate, the second rectangular metal ground plate; One end of impedance matching input transmission line is connected with the lower end of the first U-shaped paster, and the impedance matching input other end of transmission line is connected with the bottom of substrate, and the bottom of the second rectangular metal ground plate is connected with the bottom of substrate.The utility model has stable radiation characteristic in working band, and loss is low, and structure is simple, the advantages such as volume is little, easy to make.
Description
Technical field
The utility model relates to antenna, particularly relates to a kind of fly swatter microstrip.
Background technology
The form of microstrip antenna has a variety of.According to the difference of paster and floor form, its kind can be divided into micro-strip paster antenna, micro-strip oscillator antenna, microstrip slot antenna etc.Due to the shape of microstrip antenna self and the particularity of material, make the advantage that it has other antennas incomparable in a lot of field, such as, volume is little, lightweight, low throwing face, low cost of manufacture, technological requirement is low, robustness, planar structure easily and antenna carrier is surperficial conformal and with microwave radio integrated circuit and optoelectronic IC technical compatibility etc.So microstrip antenna undergoes an unusual development rapidly, just cause the very big concern in antenna works field short decades.Just because of this, microstrip antenna oneself be widely used in the markets such as person communication system (PCS), global positioning system (GPS), direct broadcasting satellite (DBS), WLAN (WLANS) and intelligent freeway traffic system (IVHS).But contradiction is always ubiquitous.Microstrip antenna also has self geneogenous shortcoming, as: bandwidth is narrower, and makes its radiation efficiency relatively low due to surface actuator, conductor and dielectric loss.Although some problem is not solved, one flaw cannot mar the jade, and microstrip antenna inherent advantages are that its development speed in field of antenna holds a safe lead.
Along with the development of microwave integrated technology and space technology are to the active demand of low profile antenna, expand in the world and microstrip antenna extensively and is in depth studied.In addition, modern age, development communication technologies was rapid, and required transmission rate is more and more higher, and bandwidth is also more and more wider.Ultra-wideband Communication Technology is large with high speed, safety, capacity, the advantage not available for other narrow-band communication systems such as anti-multipath is subject to extensive concern.Broadband, new construction and high performance microstrip antenna continue to bring out.Ultra-wideband microstrip antenna has larger frequency band range, can meet the demand of each frequency range.Therefore, in the urgent need to working out small size, frequency band range is wide, the micro-strip paster antenna that radiation characteristic is good.
Summary of the invention
The utility model provides a kind of fly swatter microstrip, and technical scheme is as follows:
Fly swatter microstrip comprises substrate, the first U-shaped paster, the second U-shaped paster, the 3rd U-shaped paster, the first zigzag paster, the second zigzag paster, impedance matching input transmission line, the first rectangular metal ground plate, the second rectangular metal ground plate; The upper surface of substrate is provided with the first U-shaped paster, the second U-shaped paster, the 3rd U-shaped paster, the first zigzag paster, the second zigzag paster, impedance matching input transmission line; The lower end of the second U-shaped paster is connected with the upper end of the first zigzag paster, the upper end of the 3rd U-shaped paster is connected with the lower end of the first zigzag paster, the upper end of the second zigzag paster is connected with the lower end of the 3rd U-shaped paster, and the lower end of the second zigzag paster is connected with the lower end of the first U-shaped paster; The lower surface of substrate is provided with the first rectangular metal ground plate, the second rectangular metal ground plate; One end of impedance matching input transmission line is connected with the lower end of the first U-shaped paster, and the impedance matching input other end of transmission line is connected with the bottom of substrate, and the bottom of the second 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 20mm ~ 21mm.The first described U-shaped paster is made up of three rectangular patches, and the length of three rectangular patches is 14mm ~ 15mm, and width is 2mm ~ 3mm.The second described U-shaped paster is identical with the 3rd U-shaped paster structure parameter, by three rectangular patch compositions, wherein the length of upper and lower two rectangular patches is 9mm ~ 10mm, and width is 1mm ~ 2mm, the length of intermediate rectangular paster is 2mm ~ 3mm, and width is 1mm ~ 2mm.The first described zigzag paster is identical with the second zigzag paster structure parameter, form by two square patch and a rectangular patch, wherein the length of side of two square patch is 2mm ~ 3mm, and the length of rectangular patch is 8mm ~ 9mm, and width is 1mm ~ 2mm.The length of described impedance matching input transmission line is 21mm ~ 22mm, and width is 3mm ~ 4mm.The length of the first described rectangular metal ground plate is 5mm ~ 6mm, and width is 3mm ~ 4mm.The length of the second described rectangular metal ground plate is 20mm ~ 21mm, and width is 22mm ~ 23mm.
The utility model has stable radiation characteristic in working band, and 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 fly swatter microstrip;
Fig. 2 is the structure figure of fly swatter microstrip;
Fig. 3 is the return loss plot figure of fly swatter microstrip;
Fig. 4 is the E face of antenna when 7.48GHz, H surface radiation directional diagram;
Fig. 5 is the front face surface current density distributing figure of fly swatter microstrip when 7.48GHz.
Fig. 6 is the backside surface current density distributing figure of fly swatter microstrip when 7.48GHz.
Embodiment
As shown in Fig. 1 ~ 2, fly swatter microstrip comprises substrate 1, the first U-shaped paster 6, second U-shaped paster 2,3rd U-shaped paster 4, first zigzag paster 3, second zigzag paster 5, impedance matching input transmission line 7, first rectangular metal ground plate 8, second rectangular metal ground plate 9; The upper surface of substrate 1 is provided with the first U-shaped paster 6, second U-shaped paster the 2, three U-shaped paster 4, first zigzag paster 3, second zigzag paster 5, impedance matching input transmission line 7; The lower end of the second U-shaped paster 2 is connected with the upper end of the first zigzag paster 3, the upper end of the 3rd U-shaped paster 4 is connected with the lower end of the first zigzag paster 3, the upper end of the second zigzag paster 5 is connected with the lower end of the 3rd U-shaped paster 4, and the lower end of the second zigzag paster 5 is connected with the lower end of the first U-shaped paster 6; The lower surface of substrate 1 is provided with the first rectangular metal ground plate 8, second rectangular metal ground plate 9; One end of impedance matching input transmission line 7 is connected with the lower end of the first U-shaped paster 6, and the other end of impedance matching input transmission line 7 is connected with the bottom of substrate 1, and the bottom of the second rectangular metal 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 ~ 41mm, and width is 20mm ~ 21mm.The first described U-shaped paster 6 is made up of three rectangular patches, and the length of three rectangular patches is 14mm ~ 15mm, and width is 2mm ~ 3mm.The second described U-shaped paster 2 is identical with the 3rd U-shaped paster 4 structural parameters, by three rectangular patch compositions, wherein the length of upper and lower two rectangular patches is 9mm ~ 10mm, and width is 1mm ~ 2mm, the length of intermediate rectangular paster is 2mm ~ 3mm, and width is 1mm ~ 2mm.The first described zigzag paster 3 is identical with the second zigzag paster 5 structural parameters, form by two square patch and a rectangular patch, wherein the length of side of two square patch is 2mm ~ 3mm, and the length of rectangular patch is 8mm ~ 9mm, and width is 1mm ~ 2mm.The length of described impedance matching input transmission line 7 is 21mm ~ 22mm, and width is 3mm ~ 4mm.The length of the first described rectangular metal ground plate 4 is 5mm ~ 6mm, and width is 3mm ~ 4mm.The length of the second described rectangular metal ground plate 5 is 20mm ~ 21mm, and width is 22mm ~ 23mm.
Embodiment 1
Fly swatter microstrip:
Select dielectric constant be 4.4 glass-epoxy material make micro-belt substrate, thickness is 1.7mm.The length of substrate is 40mm, and width is 20mm.First U-shaped paster is made up of three rectangular patches, and the length of three rectangular patches is 15mm, and width is 2mm.Second U-shaped paster is identical with the 3rd U-shaped paster structure parameter, and by three rectangular patch compositions, wherein the length of upper and lower two rectangular patches is 10mm, and width is 1mm, and the length of intermediate rectangular paster is 2mm, and width is 1mm.First zigzag paster is identical with the second zigzag paster structure parameter, and form by two square patch and a rectangular patch, wherein the length of side of two square patch is 2mm, and the length of rectangular patch is 8mm, and width is 1mm.The length of impedance matching input transmission line is 21mm, and width is 3mm.The length of the first rectangular metal ground plate is 5mm, and width is 3mm.The length of the second rectangular metal ground plate is 20mm, and width is 22mm.The property indices of fly swatter microstrip adopts CST software to test, and as shown in Figure 3, as seen from the figure, the working frequency range of below-10dB is 7.18GHz ~ 7.75GHz to the return loss plot of gained.Figure 4 shows that the E face of antenna when 7.48GHz, H face directional diagram, as seen from the figure, when frequency is 7.48GHz, the gain of antenna is 3.6dBi, and half power lobe width is 108.7 °.Fig. 5 is the front face surface current density distributing figure of antenna when 7.48GHz.Fig. 6 is the backside surface current density distributing figure of antenna when 7.48GHz.
Claims (8)
1. a fly swatter microstrip, it is characterized in that comprising substrate (1), first U-shaped paster (6), second U-shaped paster (2), the 3rd U-shaped paster (4), the first zigzag paster (3), second zigzag paster (5), impedance matching input transmission line (7), the first rectangular metal ground plate (8), the second rectangular metal ground plate (9); The upper surface of substrate (1) is provided with the first U-shaped paster (6), second U-shaped paster (2), 3rd U-shaped paster (4), first zigzag paster (3), second zigzag paster (5), impedance matching input transmission line (7); The lower end of the second U-shaped paster (2) is connected with the upper end of the first zigzag paster (3), the upper end of the 3rd U-shaped paster (4) is connected with the lower end of the first zigzag paster (3), the upper end of the second zigzag paster (5) is connected with the lower end of the 3rd U-shaped paster (4), and the lower end of the second zigzag paster (5) is connected with the lower end of the first U-shaped paster (6); The lower surface of substrate (1) is provided with the first rectangular metal ground plate (8), the second rectangular metal ground plate (9); One end of impedance matching input transmission line (7) is connected with the lower end of the first U-shaped paster (6), the other end of impedance matching input transmission line (7) is connected with the bottom of substrate (1), and the bottom of the second rectangular metal ground plate (9) is connected with the bottom of substrate (1).
2. a kind of fly swatter microstrip 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 20mm ~ 21mm.
3. a kind of fly swatter microstrip as claimed in claim 1, it is characterized in that the first described U-shaped paster (6) is made up of three rectangular patches, the length of three rectangular patches is 14mm ~ 15mm, and width is 2mm ~ 3mm.
4. a kind of fly swatter microstrip as claimed in claim 1, it is characterized in that the second described U-shaped paster (2) is identical with the 3rd U-shaped paster (4) structural parameters, by three rectangular patch compositions, wherein the length of upper and lower two rectangular patches is 9mm ~ 10mm, width is 1mm ~ 2mm, the length of intermediate rectangular paster is 2mm ~ 3mm, and width is 1mm ~ 2mm.
5. a kind of fly swatter microstrip according to claim 1, it is characterized in that the first described zigzag paster (3) is identical with the second zigzag paster (5) structural parameters, form by two square patch and a rectangular patch, wherein the length of side of two square patch is 2mm ~ 3mm, the length of rectangular patch is 8mm ~ 9mm, and width is 1mm ~ 2mm.
6. a kind of fly swatter microstrip as claimed in claim 1, it is characterized in that the length of described impedance matching input transmission line (7) is 21mm ~ 22mm, width is 3mm ~ 4mm.
7. a kind of fly swatter microstrip as claimed in claim 1, it is characterized in that the length of the first described rectangular metal ground plate (4) is 5mm ~ 6mm, width is 3mm ~ 4mm.
8. a kind of fly swatter microstrip as claimed in claim 1, it is characterized in that the length of the second described rectangular metal ground plate (5) is 20mm ~ 21mm, width is 22mm ~ 23mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420777997.7U CN204289701U (en) | 2014-12-11 | 2014-12-11 | Fly swatter microstrip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420777997.7U CN204289701U (en) | 2014-12-11 | 2014-12-11 | Fly swatter microstrip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204289701U true CN204289701U (en) | 2015-04-22 |
Family
ID=52872833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420777997.7U Expired - Fee Related CN204289701U (en) | 2014-12-11 | 2014-12-11 | Fly swatter microstrip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204289701U (en) |
-
2014
- 2014-12-11 CN CN201420777997.7U patent/CN204289701U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |