CN103794856B - Eight characters arrow-shaped microstrip antenna - Google Patents
Eight characters arrow-shaped microstrip antenna Download PDFInfo
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- CN103794856B CN103794856B CN201410021914.6A CN201410021914A CN103794856B CN 103794856 B CN103794856 B CN 103794856B CN 201410021914 A CN201410021914 A CN 201410021914A CN 103794856 B CN103794856 B CN 103794856B
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- radiation patch
- ground plate
- group metal
- metal ground
- parallelogram
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Abstract
The invention discloses a kind of Eight characters arrow-shaped microstrip antenna.It comprises substrate, upper left parallelogram radiation patch, upper right parallelogram radiation patch, lower-left parallelogram radiation patch, bottom right parallelogram radiation patch, rectangular radiation patch, impedance matching input transmission line, upper left hexagon group metal ground plate, upper right hexagon group metal ground plate, lower-left hexagon group metal ground plate, bottom right hexagon group metal ground plate; Impedance matching input transmission line top is provided with rectangular radiation patch, and rectangular radiation patch is provided with rounded groove; On impedance matching input transmission line, upper end is provided with three rounded groove; The upper end of impedance matching input transmission line is connected with lower-left parallelogram radiation patch, bottom right parallelogram radiation patch, and the impedance matching input lower end of transmission line is connected with the bottom of substrate.The present invention has that radiation characteristic is good, structure is simple, volume is little, quality is light, easy to make and be easy to the advantage such as integrated.
Description
Technical field
The present invention relates to antenna, particularly relate to a kind of Eight characters arrow-shaped microstrip antenna.
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 many kinds of antennas.
The concept of microstrip antenna was just proposed by professor D.A.DeshamPs as far back as nineteen fifty-three.To 20 century 70s, due to the development of microwave integrated technology, and the appearance of various novel medium material, the making of microstrip antenna obtains technique and ensures, and the development of space technology is in the urgent need to the antenna element of low section, at this moment make practical microstrip antenna the earliest.Afterwards, based on many advantages of microstrip antenna, as lightweight, volume is little, planar structure, easily conformal, easy of integration and cost are low etc., microstrip antenna obtains to be studied widely, develop and applies.Since the eighties in 20th century, in various antenna annual meeting, the research of microstrip antenna occupies significant proportion, about the monograph of microstrip antenna is constantly released.
In recent years, microstrip antenna relies on the advantage of its uniqueness, obtains and apply more and more widely in the frequency domain of 0.1GHz to 100GHz.Along with the development of the communication technology, microstrip antenna has become the important a member in mobile terminal antenna family.
Summary of the invention
The present invention seeks to overcome the deficiencies in the prior art, a kind of Eight characters arrow-shaped microstrip antenna is provided.
Eight characters arrow-shaped microstrip antenna comprises substrate, upper left parallelogram radiation patch, upper right parallelogram radiation patch, lower-left parallelogram radiation patch, bottom right parallelogram radiation patch, rectangular radiation patch, impedance matching input transmission line, upper left hexagon group metal ground plate, upper right hexagon group metal ground plate, lower-left hexagon group metal ground plate, bottom right hexagon group metal ground plate, the upper surface of substrate is provided with upper left parallelogram radiation patch, upper right parallelogram radiation patch, lower-left parallelogram radiation patch, bottom right parallelogram radiation patch, rectangular radiation patch, impedance matching input transmission line, impedance matching input transmission line top is provided with rectangular radiation patch, rectangular radiation patch is provided with rounded groove, and on impedance matching input transmission line, upper end is provided with three rounded groove, and the lower surface of substrate is provided with upper left hexagon group metal ground plate, upper right hexagon group metal ground plate, lower-left hexagon group metal ground plate, bottom right hexagon group metal ground plate, the both sides, upper end of impedance matching input transmission line are connected with lower-left parallelogram radiation patch, bottom right parallelogram radiation patch respectively, and the impedance matching input lower end of transmission line is connected with the bottom of substrate.
Described substrate is glass-epoxy material, and length and the width of substrate are 70mm ~ 72mm.Described upper left parallelogram radiation patch is identical with the dimensional parameters of upper right parallelogram radiation patch, and length is 20mm ~ 22mm, and width is 3.5mm ~ 4.5mm, and two adjacent interior angles are respectively 50
°, 130
°.Described lower-left parallelogram radiation patch is identical with the dimensional parameters of bottom right parallelogram radiation patch, and length is 35mm ~ 37mm, and width is 4.5mm ~ 5.5mm, and two adjacent interior angles are respectively 50 °, 130 °.Length and the width of described rectangular radiation patch are 2.5mm ~ 3.5mm.The length of described impedance matching input transmission line is 28mm ~ 30mm, and width is 5mm ~ 6mm.The radius of described rounded groove is 0.6mm ~ 1mm.The radius of three described rounded groove is 0.6mm ~ 7mm, and spacing is 1.5mm ~ 2mm.Described upper left hexagon group metal ground plate, upper right hexagon group metal ground plate, lower-left hexagon group metal ground plate are identical with the dimensional parameters of bottom right hexagon group metal ground plate, each hexagonal long edge lengths is 5mm ~ 5.5mm, middle long edge lengths is 3mm ~ 3.5mm, and bond length is 2mm ~ 2.5mm.
Eight characters arrow-shaped microstrip antenna of the present invention has that radiation characteristic is good, multiband, structure are simple, volume is little, quality is light, easy to make and be easy to the advantage such as integrated.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of Eight characters arrow-shaped microstrip antenna;
Fig. 2 is the structure schematic diagram of Eight characters arrow-shaped microstrip antenna;
Fig. 3 is the S parameter curve chart of Eight characters arrow-shaped microstrip antenna;
Fig. 4 is the E surface radiation directional diagram of antenna when 10GHz;
Fig. 5 is the H surface radiation directional diagram of antenna when 10GHz;
Fig. 6 is the front face surface current distributing figure of antenna when 10GHz.
Embodiment
As shown in Figure 1 and 2, Eight characters arrow-shaped microstrip antenna comprises substrate 1, upper left parallelogram radiation patch 2, upper right parallelogram radiation patch 3, lower-left parallelogram radiation patch 4, bottom right parallelogram radiation patch 5, rectangular radiation patch 6, impedance matching input transmission line 7, upper left hexagon group metal ground plate 10, upper right hexagon group metal ground plate 11, lower-left hexagon group metal ground plate 12, bottom right hexagon group metal ground plate 13; The upper surface of substrate 1 is provided with upper left parallelogram radiation patch 2, upper right parallelogram radiation patch 3, lower-left parallelogram radiation patch 4, bottom right parallelogram radiation patch 5, rectangular radiation patch 6, impedance matching input transmission line 7; Impedance matching input transmission line 7 top is provided with rectangular radiation patch 6, and rectangular radiation patch 6 is provided with rounded groove 8; On impedance matching input transmission line, 7 upper ends are provided with three rounded groove 9; The lower surface of substrate (1) is provided with upper left hexagon group metal ground plate 10, upper right hexagon group metal ground plate 11, lower-left hexagon group metal ground plate 12, bottom right hexagon group metal ground plate 13; The both sides, upper end of impedance matching input transmission line 7 are connected with lower-left parallelogram radiation patch 4, bottom right parallelogram radiation patch 5 respectively, and the lower end of impedance matching input transmission line 7 is connected with the bottom of substrate 1.
Described substrate 1 is glass-epoxy material, and length and the width of substrate 1 are 70mm ~ 72mm.Described upper left parallelogram radiation patch 2 is identical with the dimensional parameters of upper right parallelogram radiation patch 3, and length is 20mm ~ 22mm, and width is 3.5mm ~ 4.5mm, and two adjacent interior angles are respectively 50
°, 130
°.Described lower-left parallelogram radiation patch 4 is identical with the dimensional parameters of bottom right parallelogram radiation patch 5, and length is 35mm ~ 37mm, and width is 4.5mm ~ 5.5mm, and two adjacent interior angles are respectively 50
°, 130
°.Length and the width of described rectangular radiation patch 6 are 2.5mm ~ 3.5mm.The length of described impedance matching input transmission line 7 is 28mm ~ 30mm, and width is 5mm ~ 6mm.The radius of described rounded groove 8 is 0.6mm ~ 1mm.The radius of three described rounded groove 9 is 0.6mm ~ 7mm, and spacing is 1.5mm ~ 2mm.Described upper left hexagon group metal ground plate 10, upper right hexagon group metal ground plate 11, lower-left hexagon group metal ground plate 12 are identical with the dimensional parameters of bottom right hexagon group metal ground plate 13, each hexagonal long edge lengths is 5mm ~ 5.5mm, middle long edge lengths is 3mm ~ 3.5mm, and bond length is 2mm ~ 2.5mm.
embodiment 1
Select dielectric constant be 4.4 glass-epoxy material make micro-belt substrate, thickness is 1.6mm.Length and the width of substrate are 70mm.Upper left parallelogram radiation patch is identical with the dimensional parameters of upper right parallelogram radiation patch, and length is 20mm, and width is 3.5mm, and two adjacent interior angles are respectively 50
°, 130
°.Lower-left parallelogram radiation patch is identical with the dimensional parameters of bottom right parallelogram radiation patch, and length is 35mm, and width is 4.5mm, and two adjacent interior angles are respectively 50
°, 130
°.Length and the width of rectangular radiation patch are 2.5mm.The length of impedance matching input transmission line is 28mm, and width is 5mm.The radius of rounded groove is 0.6mm.The radius of three rounded groove is 0.6mm, and spacing is 1.5mm.Upper left hexagon group metal ground plate, upper right hexagon group metal ground plate, lower-left hexagon group metal ground plate are identical with the dimensional parameters of bottom right hexagon group metal ground plate, each hexagonal long edge lengths is 5mm, middle long edge lengths is 3mm, and bond length is 2mm.The property indices of Eight characters arrow-shaped microstrip 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 9.6GHz ~ 10.8GHz to the S parameter curve of gained.Fig. 4-5 is depicted as the E face of antenna when 10GHz and H face directional diagram, and as seen from the figure, when frequency is 10GHz, gain is 2.7dBi, and half power lobe width is 54.5 °.Figure 6 shows that the front face surface current distributing figure of antenna when 10GHz.
Claims (9)
1. an Eight characters arrow-shaped microstrip antenna, is characterized in that comprising substrate (1), upper left parallelogram radiation patch (2), upper right parallelogram radiation patch (3), lower-left parallelogram radiation patch (4), bottom right parallelogram radiation patch (5), rectangular radiation patch (6), impedance matching input transmission line (7), upper left hexagon group metal ground plate (10), upper right hexagon group metal ground plate (11), lower-left hexagon group metal ground plate (12), bottom right hexagon group metal ground plate (13), the upper surface of substrate (1) is provided with upper left parallelogram radiation patch (2), upper right parallelogram radiation patch (3), lower-left parallelogram radiation patch (4), bottom right parallelogram radiation patch (5), rectangular radiation patch (6), impedance matching input transmission line (7), impedance matching input transmission line (7) top is provided with rectangular radiation patch (6), rectangular radiation patch (6) is provided with rounded groove (8), on impedance matching input transmission line, (7) upper end is provided with three rounded groove (9), the lower surface of substrate (1) is provided with upper left hexagon group metal ground plate (10), upper right hexagon group metal ground plate (11), lower-left hexagon group metal ground plate (12), bottom right hexagon group metal ground plate (13), hexagon group metal ground plate (10), upper right hexagon group metal ground plate (11), lower-left hexagon group metal ground plate (12), shape is identical and hexagonal metallic ground plate that position is different composition by 4 in bottom right hexagon group metal ground plate (13), impedance matching input transmission line (7) both sides, upper end respectively with lower-left parallelogram radiation patch (4), bottom right parallelogram radiation patch (5) is connected, the lower end of impedance matching input transmission line (7) is connected with the bottom of substrate (1).
2. a kind of Eight characters arrow-shaped microstrip antenna according to claim 1, it is characterized in that described substrate (1) is glass-epoxy material, length and the width of substrate (1) are 70mm ~ 72mm.
3. a kind of Eight characters arrow-shaped microstrip antenna according to claim 1, it is characterized in that described upper left parallelogram radiation patch (2) is identical with the dimensional parameters of upper right parallelogram radiation patch (3), length is 20mm ~ 22mm, width is 3.5mm ~ 4.5mm, and two adjacent interior angles are respectively 50
°, 130
°.
4. a kind of Eight characters arrow-shaped microstrip antenna according to claim 1, it is characterized in that described lower-left parallelogram radiation patch (4) is identical with the dimensional parameters of bottom right parallelogram radiation patch (5), length is 35mm ~ 37mm, width is 4.5mm ~ 5.5mm, and two adjacent interior angles are respectively 50 °, 130 °.
5. a kind of Eight characters arrow-shaped microstrip antenna according to claim 1, is characterized in that the length of described rectangular radiation patch (6) and width are 2.5mm ~ 3.5mm.
6. a kind of Eight characters arrow-shaped microstrip antenna according to claim 1, it is characterized in that the length of described impedance matching input transmission line (7) is 28mm ~ 30mm, width is 5mm ~ 6mm.
7. a kind of Eight characters arrow-shaped microstrip antenna according to claim 1, is characterized in that the radius of described rounded groove (8) is 0.6mm ~ 1mm.
8. a kind of Eight characters arrow-shaped microstrip antenna according to claim 1, it is characterized in that the radius of three described rounded groove (9) is 0.6mm ~ 7mm, spacing is 1.5mm ~ 2mm.
9. a kind of Eight characters arrow-shaped microstrip antenna according to claim 1, it is characterized in that described upper left hexagon group metal ground plate (10), upper right hexagon group metal ground plate (11), lower-left hexagon group metal ground plate (12) are identical with the dimensional parameters of bottom right hexagon group metal ground plate (13), each hexagonal long edge lengths is 5mm ~ 5.5mm, middle long edge lengths is 3mm ~ 3.5mm, and bond length is 2mm ~ 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021914.6A CN103794856B (en) | 2014-01-18 | 2014-01-18 | Eight characters arrow-shaped microstrip antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021914.6A CN103794856B (en) | 2014-01-18 | 2014-01-18 | Eight characters arrow-shaped microstrip antenna |
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| Publication Number | Publication Date |
|---|---|
| CN103794856A CN103794856A (en) | 2014-05-14 |
| CN103794856B true CN103794856B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410021914.6A Expired - Fee Related CN103794856B (en) | 2014-01-18 | 2014-01-18 | Eight characters arrow-shaped microstrip antenna |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203339290U (en) * | 2013-04-11 | 2013-12-11 | 中国计量学院 | T-shaped double-band micro-strip antenna |
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2014
- 2014-01-18 CN CN201410021914.6A patent/CN103794856B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203339290U (en) * | 2013-04-11 | 2013-12-11 | 中国计量学院 | T-shaped double-band micro-strip antenna |
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| CN103794856A (en) | 2014-05-14 |
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Granted publication date: 20151021 Termination date: 20180118 |