CN204103040U - Diamond-mesh double-frequency micro-strip antenna - Google Patents
Diamond-mesh double-frequency micro-strip antenna Download PDFInfo
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- CN204103040U CN204103040U CN201420549429.1U CN201420549429U CN204103040U CN 204103040 U CN204103040 U CN 204103040U CN 201420549429 U CN201420549429 U CN 201420549429U CN 204103040 U CN204103040 U CN 204103040U
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- transmission line
- rectangular patch
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Abstract
The utility model discloses a kind of diamond-mesh double-frequency micro-strip antenna.It comprises substrate, network structure paster, left rectangular patch, right rectangular patch, impedance matching input transmission line, rectangular metal ground plate; The upper surface of substrate is provided with network structure paster, left rectangular patch, right rectangular patch, impedance matching input transmission line, the lower surface of substrate is provided with rectangular metal ground plate, and the lower left end portion of network structure paster is connected with the upper right end of left rectangular patch, the end, upper left of right rectangular patch respectively with bottom righthand side portion.The impedance matching input left part, upside of transmission line is connected with the end, bottom right of left rectangular patch, and the right part, upside of impedance matching input transmission line is connected with the lower left end portion of right rectangular patch, and the impedance matching input bottom of transmission line is connected with the bottom of substrate.The utility model has that radiation characteristic is good, loss is low, structure is simple, volume is little, saves material, is easy to make and be convenient to the advantages such as integrated.
Description
Technical field
The utility model relates to antenna, particularly relates to a kind of diamond-mesh double-frequency micro-strip antenna.
Background technology
Antenna is the requisite assembly of any radio system.Its function is radiation or receives radio wave.It changes the radio wave (in emission system) of free space into guided electromagnetic waves, or does contrary conversion (in receiving system), thus between any two points, realize the transmission of radio signal.The utility model of antenna makes one of electromagnetic spectrum reusable natural resources becoming human maximum.Along with the progress of society, the development of science and technology, radio-frequency spectrum is constantly opened up, and the bandwidth of radio system is also constantly expanded, and facilitates the electromagnetic birth of subject one ultra broadband that one, twentieth century end is new.Ultra wide band electrically magnetics is pointed out, time domain electromagnetic ripple is also the very important natural resourcess of the mankind, and is wait exploitation, very valuable natural resources.
In order to adapt to bandwidth requirement more and more higher in current wireless telecommunications, the design improving microstrip antenna narrow-band characteristic also becomes one of important research topic.Microstrip antenna have volume little, be convenient to structure the formation, planar structure, be convenient to integrated, be convenient to the many advantages such as conformal with carrier, these advantages are just required for broadband system.Therefore how to develop miniaturization, planar structure, low cost, high performance broadband microstrip antenna, also become the research direction of domestic and international researcher emphasis.
Utility model content
The utility model provides a kind of diamond-mesh double-frequency micro-strip antenna, and technical scheme is as follows:
Diamond-mesh double-frequency micro-strip antenna, is characterized in that comprising substrate, network structure paster, left rectangular patch, right rectangular patch, impedance matching input transmission line, rectangular metal ground plate, the upper surface of substrate is provided with network structure paster, left rectangular patch, right rectangular patch, impedance matching input transmission line, the lower surface of substrate is provided with rectangular metal ground plate, the lower left end portion of network structure paster and bottom righthand side portion respectively with the upper right end of left rectangular patch, the end, upper left of right rectangular patch is connected, the sideline, bottom right of network structure paster and the lower horizontal line angle at 45 ° of substrate, the impedance matching input left part, upside of transmission line is connected with the end, bottom right of left rectangular patch, the right part, upside of impedance matching input transmission line is connected with the lower left end portion of right rectangular patch, the impedance matching input bottom of transmission line is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and the length of substrate is 54mm ~ 56mm, and width is 46mm ~ 47mm.Described network structure paster is made up of the square-shaped metal ring element of 5 × 5, and the outer length of side of each square-shaped metal ring element is 4.9mm ~ 5.1mm, and the interior length of side is 3.9mm ~ 4.1mm.Described left rectangular patch, the length of right rectangular patch are 14mm ~ 16mm, and width is 1mm ~ 2mm.Described impedance matching input transmission line is made up of an isosceles triangle transmission line and a rectangle transmission line, and wherein the waist of isosceles triangle transmission line is long is 1.4mm ~ 1.6mm, and bottom side length is 2.1mm ~ 2.2mm; The length of rectangle transmission line is 9mm ~ 11mm, and width is 2.1mm ~ 2.2mm.The length of described rectangular metal ground plate is 54mm ~ 56mm, and width is 46mm ~ 47mm.
Diamond-mesh double-frequency micro-strip antenna of the present utility model has that radiation characteristic is good, loss is low, structure is simple, volume is little, saves material, is easy to make and be convenient to the advantages such as integrated.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of diamond-mesh double-frequency micro-strip antenna;
Fig. 2 is the structure schematic diagram of diamond-mesh double-frequency micro-strip antenna;
Fig. 3 is the return loss plot figure of diamond-mesh double-frequency micro-strip antenna;
Fig. 4 is the E face of antenna when 6.96GHz and the antenna pattern in H face;
Fig. 5 is the E face of antenna when 8.81GHz and the antenna pattern in H face;
Fig. 6 is the surface current density distribution map of diamond-mesh double-frequency micro-strip antenna when 6.96GHz;
Fig. 7 is the surface current density distribution map of diamond-mesh double-frequency micro-strip antenna when 8.81GHz.
Embodiment
As shown in Fig. 1 ~ 2, diamond-mesh double-frequency micro-strip antenna comprises substrate 1, network structure paster 2, left rectangular patch 3, right rectangular patch 4, impedance matching input transmission line 5, rectangular metal ground plate 6, the upper surface of substrate 1 is provided with network structure paster 2, left rectangular patch 3, right rectangular patch 4, impedance matching input transmission line 5, the lower surface of substrate 1 is provided with rectangular metal ground plate 6, the lower left end portion of network structure paster 2 and bottom righthand side portion respectively with the upper right end of left rectangular patch 3, the end, upper left of right rectangular patch is connected, the sideline, bottom right of network structure paster 2 and the lower horizontal line angle at 45 ° of substrate 1, the left part, upside of impedance matching input transmission line 5 is connected with the end, bottom right of left rectangular patch 3, the right part, upside of impedance matching input transmission line 5 is connected with the lower left end portion of right rectangular patch 4, the bottom of impedance matching input transmission line 5 is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 54mm ~ 56mm, and width is 46mm ~ 47mm.Described network structure paster 2 is made up of the square-shaped metal ring element of 5 × 5, and the outer length of side of each square-shaped metal ring element is 4.9mm ~ 5.1mm, and the interior length of side is 3.9mm ~ 4.1mm.Described left rectangular patch 3, the length of right rectangular patch 4 are 14mm ~ 16mm, and width is 1mm ~ 2mm.Described impedance matching input transmission line 5 is made up of an isosceles triangle transmission line and a rectangle transmission line, and wherein the waist of isosceles triangle transmission line is long is 1.4mm ~ 1.6mm, and bottom side length is 2.1mm ~ 2.2mm; The length of rectangle transmission line is 9mm ~ 11mm, and width is 2.1mm ~ 2.2mm.The length of described rectangular metal ground plate 6 is 54mm ~ 56mm, and width is 46mm ~ 47mm.
Embodiment 1
Select dielectric constant be 4.4 glass-epoxy material make micro-belt substrate, thickness is 1.6mm.The length of substrate is 55mm, and width is 46mm.Network structure paster is made up of the square-shaped metal ring element of 5 × 5, and the outer length of side of each square-shaped metal ring element is 5mm, and the interior length of side is 4mm.The length of left rectangular patch, right rectangular patch is 15mm, and width is 1.5mm.Impedance matching input transmission line is made up of an isosceles triangle transmission line and a rectangle transmission line, and wherein the waist of isosceles triangle transmission line is long is 1.5mm, and bottom side length is 2.1; The length of rectangle transmission line is 10mm, and width is 2.1mm.The length of rectangular metal ground plate is 55mm, and width is 46mm.The property indices of diamond-mesh double-frequency micro-strip antenna adopts CST software to carry out test analysis, and as shown in Figure 3, as seen from the figure, the working frequency range of below-10dB is 6.83GHz ~ 7.03GHz, 8.74GHz ~ 8.85GHz to the return loss plot of gained.Fig. 4 and Figure 5 shows that the E face of antenna respectively when 6.96GHz, 8.81GHz, the antenna pattern in H face, as seen from the figure, when frequency is 6.96GHz, the gain of antenna is 7.59Bi, half power lobe width is 51.7 °, when frequency is 8.81GHz, the gain of antenna is 4.1Bi, and half power lobe width is 55.0 °.Fig. 6 and Figure 7 shows that the surface current density distribution map of antenna respectively when 6.96GHz, 8.81GHz.
Claims (6)
1. a diamond-mesh double-frequency micro-strip antenna, is characterized in that comprising substrate (1), network structure paster (2), left rectangular patch (3), right rectangular patch (4), impedance matching input transmission line (5), rectangular metal ground plate (6), the upper surface of substrate (1) is provided with network structure paster (2), left rectangular patch (3), right rectangular patch (4), impedance matching input transmission line (5), the lower surface of substrate (1) is provided with rectangular metal ground plate (6), the lower left end portion of network structure paster (2) and bottom righthand side portion respectively with the upper right end of left rectangular patch (3), the end, upper left of right rectangular patch is connected, the sideline, bottom right of network structure paster (2) and the lower horizontal line angle at 45 ° of substrate (1), the left part, upside of impedance matching input transmission line (5) is connected with the end, bottom right of left rectangular patch (3), the right part, upside of impedance matching input transmission line (5) is connected with the lower left end portion of right rectangular patch (4), the bottom of impedance matching input transmission line (5) is connected with the bottom of substrate (1).
2. a kind of diamond-mesh double-frequency micro-strip antenna according to claim 1, it is characterized in that described substrate (1) is glass-epoxy material, the length of substrate (1) is 54mm ~ 56mm, and width is 46mm ~ 47mm.
3. a kind of diamond-mesh double-frequency micro-strip antenna according to claim 1, it is characterized in that described network structure paster (2) by 5 × 5 square-shaped metal ring element form, the outer length of side of each square-shaped metal ring element is 4.9mm ~ 5.1mm, and the interior length of side is 3.9mm ~ 4.1mm.
4. a kind of diamond-mesh double-frequency micro-strip antenna according to claim 1, it is characterized in that described left rectangular patch (3), the length of right rectangular patch (4) is 14mm ~ 16mm, width is 1mm ~ 2mm.
5. a kind of diamond-mesh double-frequency micro-strip antenna according to claim 1, it is characterized in that described impedance matching input transmission line (5) is made up of an isosceles triangle transmission line and a rectangle transmission line, wherein the waist of isosceles triangle transmission line is long is 1.4mm ~ 1.6mm, and bottom side length is 2.1mm ~ 2.2mm; The length of rectangle transmission line is 9mm ~ 11mm, and width is 2.1mm ~ 2.2mm.
6. a kind of diamond-mesh double-frequency micro-strip antenna according to claim 1, it is characterized in that the length of described rectangular metal ground plate (6) is 54mm ~ 56mm, width is 46mm ~ 47mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549429.1U CN204103040U (en) | 2014-09-23 | 2014-09-23 | Diamond-mesh double-frequency micro-strip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549429.1U CN204103040U (en) | 2014-09-23 | 2014-09-23 | Diamond-mesh double-frequency micro-strip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103040U true CN204103040U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549429.1U Expired - Fee Related CN204103040U (en) | 2014-09-23 | 2014-09-23 | Diamond-mesh double-frequency micro-strip antenna |
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| CN (1) | CN204103040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180099234A (en) * | 2017-02-28 | 2018-09-05 | 동우 화인켐 주식회사 | Film type microstrip patch antenna |
| CN108682942A (en) * | 2018-06-08 | 2018-10-19 | 电子科技大学 | A kind of new structural grid antenna |
-
2014
- 2014-09-23 CN CN201420549429.1U patent/CN204103040U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180099234A (en) * | 2017-02-28 | 2018-09-05 | 동우 화인켐 주식회사 | Film type microstrip patch antenna |
| WO2018159925A1 (en) * | 2017-02-28 | 2018-09-07 | 동우화인켐 주식회사 | Film-type microstrip patch antenna |
| CN110326160A (en) * | 2017-02-28 | 2019-10-11 | 东友精细化工有限公司 | Film-type micro-strip paster antenna |
| KR102096417B1 (en) * | 2017-02-28 | 2020-04-02 | 동우 화인켐 주식회사 | Film type microstrip patch antenna |
| US10944161B2 (en) | 2017-02-28 | 2021-03-09 | Dongwoo Fine-Chem Co., Ltd. | Film-type microstrip patch antenna |
| CN108682942A (en) * | 2018-06-08 | 2018-10-19 | 电子科技大学 | A kind of new structural grid antenna |
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Legal Events
| Date | Code | Title | Description |
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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: 20150114 Termination date: 20150923 |
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| EXPY | Termination of patent right or utility model |