CN204361266U - SYMMETRIC BIFURCATION microstrip - Google Patents
SYMMETRIC BIFURCATION microstrip Download PDFInfo
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- CN204361266U CN204361266U CN201520086893.6U CN201520086893U CN204361266U CN 204361266 U CN204361266 U CN 204361266U CN 201520086893 U CN201520086893 U CN 201520086893U CN 204361266 U CN204361266 U CN 204361266U
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- radiation patch
- shaped radiation
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Abstract
The utility model discloses a kind of SYMMETRIC BIFURCATION microstrip.It comprises substrate, inverted U-shaped radiation patch one, inverted U-shaped radiation patch two, inverted U-shaped radiation patch three, inverted U-shaped radiation patch four, U-shaped radiation patch one, U-shaped radiation patch two, U-shaped radiation patch three, impedance matching input transmission line, rectangular metal ground plate; The upper surface of substrate is provided with inverted U-shaped radiation patch one, inverted U-shaped radiation patch two, inverted U-shaped radiation patch three, inverted U-shaped radiation patch four, U-shaped radiation patch one, U-shaped radiation patch two, U-shaped radiation patch three, impedance matching input transmission line, and radiation patch and impedance matching input transmission line and connect to form SYMMETRIC BIFURCATION shape structure; The lower surface of substrate is provided with rectangular metal ground plate, and the bottom of rectangular metal ground plate is connected with the bottom of substrate.The utility model has stable radiation characteristic in working band, have that loss is low, structure is simple, size is little, easy to make, be convenient to the advantages such as integrated.
Description
Technical field
The utility model relates to antenna, particularly relates to a kind of SYMMETRIC BIFURCATION microstrip.
Background technology
In radio communication and radar system, antenna is the interface unit of free space and transmission line.Microstrip antenna is a class more novel and rising among multiple antenna, and as far back as nineteen fifties, just someone proposes this concept of microstrip antenna, but the research only having some fragmentary in Two decades years thereafter.Up to the seventies, microstrip antenna research just achieves breakthrough, has succeeded in developing the microstrip antenna of a collection of practicality.Afterwards, along with the fast development of science and technology, microstrip antenna theory or application depth and broadness on all achieve further development, and demonstrated it application on great potential.
Antenna is as radiation and receive electromagnetic vitals, is the important component part in radio system, and the development trend of wireless device requires that antenna effectively can work in wider frequency band range.Therefore, the research of all channel antenna has become the important branch of of field of antenna.In addition, along with the fast development of various wireless communication technology, the design of antenna, as the important ring in the exploitation of its Related product, is faced with increasing challenge.In more and more limited design space, particularly how to realize multifunction and the miniaturization of antenna.For this reason, the research of the multiband antenna of various miniaturization, the ultra-wideband antenna of compact obtains the favor of various countries researcher; Therefore, design the multiband that can be applicable to different application occasion and broadband microstrip antenna and just seem particularly urgent and meaningful.
Summary of the invention
The utility model provides a kind of SYMMETRIC BIFURCATION microstrip, and technical scheme is as follows:
SYMMETRIC BIFURCATION microstrip comprises substrate, inverted U-shaped radiation patch one, inverted U-shaped radiation patch two, inverted U-shaped radiation patch three, inverted U-shaped radiation patch four, U-shaped radiation patch one, U-shaped radiation patch two, U-shaped radiation patch three, impedance matching input transmission line, rectangular metal ground plate, the upper surface of substrate is provided with inverted U-shaped radiation patch one, inverted U-shaped radiation patch two, inverted U-shaped radiation patch three, inverted U-shaped radiation patch four, U-shaped radiation patch one, U-shaped radiation patch two, U-shaped radiation patch three, impedance matching input transmission line, the middle and lower part of inverted U-shaped radiation patch one is connected with the upper left quarter of U-shaped radiation patch one, the middle and lower part of inverted U-shaped radiation patch two is connected with the upper right quarter of U-shaped radiation patch one, the middle and lower part of inverted U-shaped radiation patch three is connected with the upper left quarter of U-shaped radiation patch two, the middle and lower part that inverted U-shaped radiation pastes four is connected with the upper right quarter of U-shaped radiation patch two, the middle and lower part of U-shaped radiation patch one is connected with the upper left quarter of U-shaped radiation patch three, the middle and lower part of U-shaped radiation patch two is connected with the upper right quarter of U-shaped radiation patch three, the top that middle and lower part and the impedance matching of U-shaped radiation patch three input transmission line is connected, the impedance matching input bottom of transmission line is connected with the bottom of substrate, the lower surface of substrate is provided with rectangular metal ground plate, 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 19mm ~ 21mm, and width is 16mm ~ 18mm.The dimensional parameters of described inverted U-shaped radiation patch one, inverted U-shaped radiation patch two, inverted U-shaped radiation patch three, inverted U-shaped radiation patch four is identical, and total length is 3mm ~ 4mm, and overall width is 1mm ~ 2mm, and the width of paster is 0.4mm ~ 0.5mm.Described U-shaped radiation patch one, the dimensional parameters of U-shaped radiation patch two are identical, and total length is 5mm ~ 6mm, and overall width is 3mm ~ 4mm, and the width of paster is 1mm ~ 1.2mm.The total length of described U-shaped radiation patch three is 9mm ~ 11mm, and overall width is 4mm ~ 5mm, and the width of paster is 1mm ~ 1.2mm.The length of described impedance matching input transmission line is 6mm ~ 8mm, and width is 1.5mm ~ 2mm.The length of described rectangular metal ground plate is 19mm ~ 21mm, and width is 5mm ~ 7mm.
The utility model has stable radiation characteristic in working band, have that loss is low, structure is simple, size is little, easy to make, be convenient to the advantages such as integrated.
Accompanying drawing illustrates:
Fig. 1 is the Facad structure figure of SYMMETRIC BIFURCATION microstrip;
Fig. 2 is the structure figure of SYMMETRIC BIFURCATION microstrip;
Fig. 3 is the return loss plot of SYMMETRIC BIFURCATION microstrip;
Fig. 4 is the E face of antenna when 6.10GHz, H surface radiation directional diagram;
Fig. 5 is the front-side current density profile of antenna when 6.10GHz;
Fig. 6 is the back side current density distributing figure of antenna when 6.10GHz.
Embodiment
As shown in Fig. 1 ~ 2, SYMMETRIC BIFURCATION microstrip comprises substrate 1, inverted U-shaped radiation patch 1, inverted U-shaped radiation patch 23, inverted U-shaped radiation patch 34, inverted U-shaped radiation patch 45, U-shaped radiation patch 1, U-shaped radiation patch 27, U-shaped radiation patch 38, impedance matching input transmission line 9, rectangular metal ground plate 10, the upper surface of substrate 1 is provided with inverted U-shaped radiation patch 1, inverted U-shaped radiation patch 23, inverted U-shaped radiation patch 34, inverted U-shaped radiation patch 45, U-shaped radiation patch 1, U-shaped radiation patch 27, U-shaped radiation patch 38, impedance matching input transmission line 9, the middle and lower part of inverted U-shaped radiation patch 1 is connected with the upper left quarter of U-shaped radiation patch 1, the middle and lower part of inverted U-shaped radiation patch 23 is connected with the upper right quarter of U-shaped radiation patch 1, the middle and lower part of inverted U-shaped radiation patch 34 is connected with the upper left quarter of U-shaped radiation patch 27, the middle and lower part of inverted U-shaped radiation patch 45 is connected with the upper right quarter of U-shaped radiation patch 27, the middle and lower part of U-shaped radiation patch 1 is connected with the upper left quarter of U-shaped radiation patch 38, the middle and lower part of U-shaped radiation patch 27 is connected with the upper right quarter of U-shaped radiation patch 38, the top that middle and lower part and the impedance matching of U-shaped radiation patch 38 input transmission line 9 is connected, the bottom of impedance matching input transmission line 9 is connected with the bottom of substrate 1, the lower surface of substrate 1 is provided with rectangular metal ground plate 10, and the bottom of rectangular metal ground plate 10 is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 19mm ~ 21mm, and width is 16mm ~ 18mm.The dimensional parameters of described inverted U-shaped radiation patch 1, inverted U-shaped radiation patch 23, inverted U-shaped radiation patch 34, inverted U-shaped radiation patch 45 is identical, and total length is 3mm ~ 4mm, and overall width is 1mm ~ 2mm, and the width of paster is 0.4mm ~ 0.5mm.Described U-shaped radiation patch 1, the dimensional parameters of U-shaped radiation patch 27 are identical, and total length is 5mm ~ 6mm, and overall width is 3mm ~ 4mm, and the width of paster is 1mm ~ 1.2mm.The total length of described U-shaped radiation patch 38 is 9mm ~ 11mm, and overall width is 4mm ~ 5mm, and the width of paster is 1mm ~ 1.2mm.The length of described impedance matching input transmission line 9 is 6mm ~ 8mm, and width is 1.5mm ~ 2mm.The length of described rectangular metal ground plate 10 is 19mm ~ 21mm, and width is 5mm ~ 7mm.
Embodiment 1
SYMMETRIC BIFURCATION microstrip:
Select dielectric constant be 4.2 glass-epoxy material make micro-belt substrate, thickness is 1.5mm.The length of substrate is 20mm, and width is 18mm.The dimensional parameters of inverted U-shaped radiation patch one, inverted U-shaped radiation patch two, inverted U-shaped radiation patch three, inverted U-shaped radiation patch four is identical, and total length is 3mm, and overall width is 1.5mm, and the width of paster is 0.5mm.The dimensional parameters of U-shaped radiation patch one, U-shaped radiation patch two is identical, and total length is 5mm, and overall width is 4mm, and the width of paster is 1mm.The total length of described U-shaped radiation patch three is 10mm, and overall width is 5mm, and the width of paster is 1mm.The length of described impedance matching input transmission line is 6mm, and width is 1.5mm.The length of described rectangular metal ground plate is 20mm, and width is 6mm.The property indices of SYMMETRIC BIFURCATION microstrip adopts CST software to test, and the return loss plot of gained as shown in Figure 3.As seen from the figure, the working frequency range of below-10dB is 5.38GHz ~ 6.72GHz.Figure 4 shows that the E face of SYMMETRIC BIFURCATION microstrip when 6.10GHz and H face directional diagram, as seen from the figure, when frequency is 6.10GHz, gain is 3.29dBi, and half power lobe width is 119.0 °.Figure 5 shows that the front-side current density profile of SYMMETRIC BIFURCATION microstrip when 6.10GHz.Figure 6 shows that the back side current density distributing figure of SYMMETRIC BIFURCATION microstrip when 6.10GHz.
Claims (7)
1. a SYMMETRIC BIFURCATION microstrip, is characterized in that comprising substrate (1), inverted U-shaped radiation patch one (2), inverted U-shaped radiation patch two (3), inverted U-shaped radiation patch three (4), inverted U-shaped radiation patch four (5), U-shaped radiation patch one (6), U-shaped radiation patch two (7), U-shaped radiation patch three (8), impedance matching input transmission line (9), rectangular metal ground plate (10), the upper surface of substrate (1) is provided with inverted U-shaped radiation patch one (2), inverted U-shaped radiation patch two (3), inverted U-shaped radiation patch three (4), inverted U-shaped radiation patch four (5), U-shaped radiation patch one (6), U-shaped radiation patch two (7), U-shaped radiation patch three (8), impedance matching input transmission line (9), the middle and lower part of inverted U-shaped radiation patch one (2) is connected with the upper left quarter of U-shaped radiation patch one (6), the middle and lower part of inverted U-shaped radiation patch two (3) is connected with the upper right quarter of U-shaped radiation patch one (6), the middle and lower part of inverted U-shaped radiation patch three (4) is connected with the upper left quarter of U-shaped radiation patch two (7), the middle and lower part of inverted U-shaped radiation patch four (5) is connected with the upper right quarter of U-shaped radiation patch two (7), the middle and lower part of U-shaped radiation patch one (6) is connected with the upper left quarter of U-shaped radiation patch three (8), the middle and lower part of U-shaped radiation patch two (7) is connected with the upper right quarter of U-shaped radiation patch three (8), the top that middle and lower part and the impedance matching of U-shaped radiation patch three (8) input transmission line (9) is connected, the bottom of impedance matching input transmission line (9) is connected with the bottom of substrate (1), the lower surface of substrate (1) is provided with rectangular metal ground plate (10), and the bottom of rectangular metal ground plate (10) is connected with the bottom of substrate (1).
2. a kind of SYMMETRIC BIFURCATION microstrip as claimed in claim 1, it is characterized in that described substrate (1) is glass-epoxy material, the length of substrate (1) is 19mm ~ 21mm, and width is 16mm ~ 18mm.
3. a kind of SYMMETRIC BIFURCATION microstrip as claimed in claim 1, it is characterized in that the dimensional parameters of described inverted U-shaped radiation patch one (2), inverted U-shaped radiation patch two (3), inverted U-shaped radiation patch three (4), inverted U-shaped radiation patch four (5) is identical, total length is 3mm ~ 4mm, overall width is 1mm ~ 2mm, and the width of paster is 0.4mm ~ 0.5mm.
4. a kind of SYMMETRIC BIFURCATION microstrip as claimed in claim 1, it is characterized in that the dimensional parameters of described U-shaped radiation patch one (6), U-shaped radiation patch two (7) is identical, total length is 5mm ~ 6mm, overall width is 3mm ~ 4mm, and the width of paster is 1mm ~ 1.2mm.
5. a kind of SYMMETRIC BIFURCATION microstrip as claimed in claim 1, it is characterized in that the total length of described U-shaped radiation patch three (8) is 9mm ~ 11mm, overall width is 4mm ~ 5mm, and the width of paster is 1mm ~ 1.2mm.
6. a kind of SYMMETRIC BIFURCATION microstrip as claimed in claim 1, it is characterized in that the length of described impedance matching input transmission line (9) is 6mm ~ 8mm, width is 1.5mm ~ 2mm.
7. a kind of SYMMETRIC BIFURCATION microstrip as claimed in claim 1, it is characterized in that the length of described rectangular metal ground plate (10) is 19mm ~ 21mm, width is 5mm ~ 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520086893.6U CN204361266U (en) | 2015-02-06 | 2015-02-06 | SYMMETRIC BIFURCATION microstrip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520086893.6U CN204361266U (en) | 2015-02-06 | 2015-02-06 | SYMMETRIC BIFURCATION microstrip |
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| Publication Number | Publication Date |
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| CN204361266U true CN204361266U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520086893.6U Expired - Fee Related CN204361266U (en) | 2015-02-06 | 2015-02-06 | SYMMETRIC BIFURCATION microstrip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649337A (en) * | 2018-07-13 | 2018-10-12 | 吉林大学 | A kind of compact microstrip double frequency antenna |
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2015
- 2015-02-06 CN CN201520086893.6U patent/CN204361266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649337A (en) * | 2018-07-13 | 2018-10-12 | 吉林大学 | A kind of compact microstrip double frequency antenna |
| CN108649337B (en) * | 2018-07-13 | 2023-12-01 | 吉林大学 | Compact microstrip dual-frequency antenna |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20160206 |