CN204333251U - Upper reverse U shape microstrip antenna - Google Patents
Upper reverse U shape microstrip antenna Download PDFInfo
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- CN204333251U CN204333251U CN201520061177.2U CN201520061177U CN204333251U CN 204333251 U CN204333251 U CN 204333251U CN 201520061177 U CN201520061177 U CN 201520061177U CN 204333251 U CN204333251 U CN 204333251U
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Abstract
The utility model discloses a kind of upper reverse U shape microstrip antenna.It comprises substrate, reverse U shape paster, circular patch, the first breach radiation patch, the second breach radiation patch, square impedance matching input transmission line, rectangular metal ground plate, upper surface of base plate is provided with reverse U shape paster, circular patch, first breach radiation patch, second breach radiation patch, square impedance matching input transmission line, the U-shaped mouth being positioned at reverse U shape paster of circular patch is inner, the lower-left end of reverse U shape paster is connected with the left upper end of the first breach radiation patch, the bottom righthand side of reverse U shape paster is connected with the upper right side of the second breach radiation patch, the bottom of square impedance matching input transmission line is all connected with the bottom of substrate, base lower surface is provided with rectangular metal ground plate, the bottom of rectangular metal ground plate is connected with the bottom of substrate.The utility model has that loss is low, radiation characteristic good, structure is simple, size is little, is 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 upper reverse U shape microstrip antenna.
Background technology
Along with the development of the application and development of wireless communication technology, particularly mobile communication and high-speed figure radio communication, frequency spectrum becomes a kind of extremely important and rare resource.From superhigh frequency band to millimere-wave band, a lot of frequency range has been developed and for various television system, radio communication and Reconnaissance system, such as UHF/VHF television system, cell phone system, GPS (Global Position System) (GPS), bluetooth, WLAN (wireless local area network) (WLAN), ultra broadband (UWB) and robot radar etc.Microstrip antenna has many advantages, and such as: they lightweight, cost of manufacture is cheap, take up room very little and also easily according to use occasion and communication system conformal.Current, by means of every advantage, microstrip antenna replaces traditional antenna gradually, is progressively applied to the every field of national defence and the life of economic dispatch national product.
In order to meet multiple communication requirement, wireless communication system requires that individual antenna is operated in very narrow frequency band sometimes, and this can reduce the interference between signal greatly.Therefore, be necessary to work out and be applicable to various application scenario, miniaturized single microstrip antenna meets the needs of Modern Communication System.
Summary of the invention
The utility model provides a kind of upper reverse U shape microstrip antenna, and technical scheme is as follows:
Upper reverse U shape microstrip antenna comprises substrate, reverse U shape paster, circular patch, the first breach radiation patch, the second breach radiation patch, square impedance matching input transmission line, rectangular metal ground plate, the upper surface of substrate is provided with reverse U shape paster, circular patch, first breach radiation patch, second breach radiation patch, square impedance matching input transmission line, the U-shaped mouth being positioned at reverse U shape paster of circular patch is inner, the lower-left end of reverse U shape paster is connected with the left upper end of the first breach radiation patch, the bottom righthand side of reverse U shape paster is connected with the upper right side of the second breach radiation patch, the left end of square impedance matching input transmission line is connected with the bottom righthand side of the first breach radiation patch, the right-hand member of square impedance matching input transmission line is connected with the lower-left end of the second breach radiation patch, first breach radiation patch, second breach radiation patch, the bottom of square impedance matching input transmission line all with the bottom of substrate is connected, the lower surface of substrate is provided with rectangular metal ground plate, 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 37mm ~ 39mm, and width is 25mm ~ 27mm.Described reverse U shape paster is made up of a horizontal rectangular patch and two longitudinal rectangular patches, wherein the length of horizontal rectangular patch is 25mm ~ 27mm, width is 1mm ~ 3mm, and the length of two longitudinal rectangular patches is 18mm ~ 20mm, and width is 1mm ~ 3mm.The radius of described circular patch is 3mm ~ 5mm.The first described breach radiation patch is opened rectangular channel by the upper right corner of a rectangular radiation patch and is formed, and wherein the length of rectangular radiation patch is 16mm ~ 18mm, and width is 10mm ~ 12mm, and the length of rectangular channel is 3mm ~ 5mm, and width is 1mm ~ 3mm; The second described breach radiation patch is opened rectangular channel by the upper left corner of a rectangular radiation patch and is formed, and wherein the length of rectangular radiation patch is 16mm ~ 18mm, and width is 10mm ~ 12mm, and the length of rectangular channel is 3mm ~ 5mm, and width is 1mm ~ 3mm.The length of side of described square impedance matching input transmission line is 3mm ~ 5mm.The length of described rectangular metal ground plate is 25mm ~ 27mm, and width is 16mm ~ 18mm.
The utility model has that loss is low, radiation characteristic good, structure is simple, size is little, is easy to make, be convenient to the advantages such as integrated.
Accompanying drawing illustrates:
Fig. 1 is the Facad structure figure of upper reverse U shape microstrip antenna;
Fig. 2 is the structure figure of upper reverse U shape microstrip antenna;
Fig. 3 is the return loss plot of upper reverse U shape microstrip antenna;
Fig. 4 is the E face of upper reverse U shape microstrip antenna when 6.28GHz, H surface radiation directional diagram;
Fig. 5 is the front face surface current density distributing figure of upper reverse U shape microstrip antenna when 6.28GHz;
Fig. 6 is the backside surface current density distributing figure of upper reverse U shape microstrip antenna when 6.28GHz.
Embodiment
As shown in Fig. 1 ~ 2, upper reverse U shape microstrip antenna comprises substrate 1, reverse U shape paster 2, circular patch 3, first breach radiation patch 4, second breach radiation patch 5, square impedance matching input transmission line 6, rectangular metal ground plate 7, the upper surface of substrate 1 is provided with reverse U shape paster 2, circular patch 3, first breach radiation patch 4, second breach radiation patch 5, square impedance matching input transmission line 6, the U-shaped mouth being positioned at reverse U shape paster 2 of circular patch 3 is inner, the lower-left end of reverse U shape paster 2 is connected with the left upper end of the first breach radiation patch 4, the bottom righthand side of reverse U shape paster 2 is connected with the upper right side of the second breach radiation patch 5, the left end of square impedance matching input transmission line 6 is connected with the bottom righthand side of the first breach radiation patch 4, the right-hand member of square impedance matching input transmission line 6 is connected with the lower-left end of the second breach radiation patch 5, first breach radiation patch 4, second breach radiation patch 5, the bottom of square impedance matching input transmission line 6 all with the bottom of substrate 1 is connected, the lower surface of substrate 1 is provided with rectangular metal ground plate 7, 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 37mm ~ 39mm, and width is 25mm ~ 27mm.Described reverse U shape paster 2 is made up of a horizontal rectangular patch and two longitudinal rectangular patches, wherein the length of horizontal rectangular patch is 25mm ~ 27mm, width is 1mm ~ 3mm, and the length of two longitudinal rectangular patches is 18mm ~ 20mm, and width is 1mm ~ 3mm.The radius of described circular patch 3 is 3mm ~ 5mm.The first described breach radiation patch 4 is opened rectangular channel by the upper right corner of a rectangular radiation patch and is formed, and wherein the length of rectangular radiation patch is 16mm ~ 18mm, and width is 10mm ~ 12mm, and the length of rectangular channel is 3mm ~ 5mm, and width is 1mm ~ 3mm; The second described breach radiation patch 5 is opened rectangular channel by the upper left corner of a rectangular radiation patch and is formed, and wherein the length of rectangular radiation patch is 16mm ~ 18mm, and width is 10mm ~ 12mm, and the length of rectangular channel is 3mm ~ 5mm, and width is 1mm ~ 3mm.The length of side of described square impedance matching input transmission line 6 is 3mm ~ 5mm.The length of described rectangular metal ground plate 7 is 25mm ~ 27mm, and width is 16mm ~ 18mm.
Embodiment 1
Upper reverse U shape microstrip antenna:
Select dielectric constant be 4.4 glass-epoxy material make micro-belt substrate, thickness is 1.6mm.The length of substrate is 38mm, and width is 26mm.Reverse U shape paster is made up of a horizontal rectangular patch and two longitudinal rectangular patches, and wherein the length of horizontal rectangular patch is 26mm, and width is 2mm, and the length of two longitudinal rectangular patches is 19mm, and width is 2mm.The radius of circular patch is 4mm.First breach radiation patch is opened rectangular channel by the upper right corner of a rectangular radiation patch and is formed, and wherein the length of rectangular radiation patch is 17mm, and width is 11mm, and the length of rectangular channel is 4mm, and width is 2mm; Second breach radiation patch is opened rectangular channel by the upper left corner of a rectangular radiation patch and is formed, and wherein the length of rectangular radiation patch is 17mm, and width is 11mm, and the length of rectangular channel is 4mm, and width is 2mm.The length of side of square impedance matching input transmission line is 4mm.The length of rectangular metal ground plate is 26mm, and width is 17mm.The property indices of upper reverse U shape microstrip antenna 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 6.01GHz ~ 6.50GHz.Figure 4 shows that the E face of reverse U shape microstrip antenna when 6.28GHz and H face directional diagram, as seen from the figure, when frequency is 6.28GHz, gain is 4.0dBi, and half power lobe width is 110.1 °.The front of reverse U shape microstrip antenna when 6.28GHz, backside surface current density distributing figure is respectively shown in Fig. 5 ~ 6.
Claims (7)
1. a upper reverse U shape microstrip antenna, is characterized in that comprising substrate (1), reverse U shape paster (2), circular patch (3), the first breach radiation patch (4), the second breach radiation patch (5), square impedance matching input transmission line (6), rectangular metal ground plate (7), the upper surface of substrate (1) is provided with reverse U shape paster (2), circular patch (3), first breach radiation patch (4), second breach radiation patch (5), square impedance matching input transmission line (6), the U-shaped mouth being positioned at reverse U shape paster (2) of circular patch (3) is inner, the lower-left end of reverse U shape paster (2) is connected with the left upper end of the first breach radiation patch (4), the bottom righthand side of reverse U shape paster (2) is connected with the upper right side of the second breach radiation patch (5), the left end of square impedance matching input transmission line (6) is connected with the bottom righthand side of the first breach radiation patch (4), the right-hand member of square impedance matching input transmission line (6) is connected with the lower-left end of the second breach radiation patch (5), first breach radiation patch (4), second breach radiation patch (5), the bottom of square impedance matching input transmission line (6) all with the bottom of substrate (1) is connected, the lower surface of substrate (1) is provided with rectangular metal ground plate (7), the bottom of rectangular metal ground plate (7) is connected with the bottom of substrate (1).
2. a kind of upper reverse U shape 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 37mm ~ 39mm, and width is 25mm ~ 27mm.
3. a kind of upper reverse U shape microstrip antenna as claimed in claim 1, it is characterized in that described reverse U shape paster (2) is made up of a horizontal rectangular patch and two longitudinal rectangular patches, wherein the length of horizontal rectangular patch is 25mm ~ 27mm, width is 1mm ~ 3mm, the length of two longitudinal rectangular patches is 18mm ~ 20mm, and width is 1mm ~ 3mm.
4. a kind of upper reverse U shape microstrip antenna as claimed in claim 1, is characterized in that the radius of described circular patch (3) is 3mm ~ 5mm.
5. a kind of upper reverse U shape microstrip antenna as claimed in claim 1, it is characterized in that the first described breach radiation patch (4) is opened rectangular channel by the upper right corner of a rectangular radiation patch and formed, wherein the length of rectangular radiation patch is 16mm ~ 18mm, width is 10mm ~ 12mm, the length of rectangular channel is 3mm ~ 5mm, and width is 1mm ~ 3mm; The second described breach radiation patch (5) is opened rectangular channel by the upper left corner of a rectangular radiation patch and is formed, wherein the length of rectangular radiation patch is 16mm ~ 18mm, width is 10mm ~ 12mm, and the length of rectangular channel is 3mm ~ 5mm, and width is 1mm ~ 3mm.
6. a kind of upper reverse U shape microstrip antenna as claimed in claim 1, is characterized in that the length of side of described square impedance matching input transmission line (6) is 3mm ~ 5mm.
7. a kind of upper reverse U shape microstrip antenna as claimed in claim 1, it is characterized in that the length of described rectangular metal ground plate (7) is 25mm ~ 27mm, width is 16mm ~ 18mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061177.2U CN204333251U (en) | 2015-01-28 | 2015-01-28 | Upper reverse U shape microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061177.2U CN204333251U (en) | 2015-01-28 | 2015-01-28 | Upper reverse U shape microstrip antenna |
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| Publication Number | Publication Date |
|---|---|
| CN204333251U true CN204333251U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520061177.2U Expired - Fee Related CN204333251U (en) | 2015-01-28 | 2015-01-28 | Upper reverse U shape microstrip antenna |
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| CN (1) | CN204333251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410378A (en) * | 2016-06-01 | 2017-02-15 | 南京邮电大学 | Symmetrical trimming microstrip antenna |
-
2015
- 2015-01-28 CN CN201520061177.2U patent/CN204333251U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410378A (en) * | 2016-06-01 | 2017-02-15 | 南京邮电大学 | Symmetrical trimming microstrip antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150513 Termination date: 20160128 |
|
| EXPY | Termination of patent right or utility model |