CN103500880B - Symmetrical four-red-heart-shapearray array antenna - Google Patents
Symmetrical four-red-heart-shapearray array antenna Download PDFInfo
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- CN103500880B CN103500880B CN201310491135.8A CN201310491135A CN103500880B CN 103500880 B CN103500880 B CN 103500880B CN 201310491135 A CN201310491135 A CN 201310491135A CN 103500880 B CN103500880 B CN 103500880B
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Abstract
The invention discloses a kind of symmetrical four-red-heart-shapearray array antenna.It includes substrate, X-shaped paster, four metal contact wires, four heart-shaped pasters, impedance matching input transmission line, metal ground plates；The upper surface of substrate is provided with X-shaped paster, four metal contact wires, four heart-shaped pasters and impedance matching input transmission line, and four end points of X-shaped paster are connected by four metal contact wires and four heart-shaped pasters respectively；The lower surface of substrate is provided with metal ground plate, and metal ground plate is provided with fluting；The top of impedance matching input transmission line is connected with X-shaped paster, and the bottom of impedance matching input transmission line is connected with the bottom of substrate, and the bottom of metal ground plate is connected with the bottom of substrate.The present invention have loss low, radiation characteristic good, light weight, volume are little, cost of manufacture is low, is easy to the advantages such as integrated.
Description
Technical field
The present invention relates to antenna, particularly relate to a kind of symmetrical four-red-heart-shapearray array antenna.
Background technology
Antenna is a kind of device that can launch and receive electromagnetic wave, is any wireless communication system
In requisite ingredient.The effect of each communication equipment possible is different, but antenna exists
Effect in this communication equipment is just as.The task of antenna is exactly the height exported by transmitter
Frequently current energy (guided wave) changes into electromagenetic wave radiation to space, or is turned by space wave signal
Chemical conversion high frequency electric energy gives receiver.General antenna has reversibility, the secondary sky of same one
Line both can make transmitting antenna, it is also possible to as reception antenna.I.e. the same antenna is at transceiving electromagnetic
During ripple, its performance is the same, here it is the reciprocity principle of antenna.
Comparing with conventional microwave antenna, it has the following advantage: volume is little, lightweight,
Section is low, can be with carrier syntype；Low cost of manufacture, it is easy to batch production；The scattering of antenna cuts
Face is less；Owing to radiation patch is based on reflecting plate, so unidirectional lobe directions figure can be obtained,
Greatest irradiation direction is in the normal direction of plane；It is prone to integrated with microstripline；It is easily achieved line
Polarization and circular polarisation, easily realize the multifunctional working pattern such as double frequency, dual polarization.And it is identical
The micro-strip antenna array of the microstrip antenna composition of structure can obtain higher gain and bigger
Impedance bandwidth.Just because of having so many advantages, microstrip antenna just can increasingly be taken seriously.
Summary of the invention
The present invention provides a kind of symmetrical four-red-heart-shapearray array antenna, and technical scheme is as follows:
Symmetrical four-red-heart-shapearray array antenna include substrate, X-shaped paster, four metal contact wires,
Four heart-shaped pasters, impedance matching input transmission line, metal ground plates；The upper surface of substrate sets
There are X-shaped paster, four metal contact wires, four heart-shaped pasters and impedance matching input transmission
Line, four end points of X-shaped paster are respectively by four metal contact wires and four heart-shaped paster phases
Even, four heart-shaped pasters are of the same size, and four heart-shaped pasters are about in the longitudinal direction of substrate
Mandrel is symmetrical；The lower surface of substrate is provided with metal ground plate, and metal ground plate is provided with out
Groove；The top of impedance matching input transmission line is connected with X-shaped paster, and impedance matching input passes
The bottom of defeated line is connected with the bottom of substrate, the bottom phase of the bottom of metal ground plate and substrate
Even.
Described substrate is glass-epoxy material, a length of 30mm of substrate～
32mm, width is 25mm～27mm.The a length of 10mm of described X-shaped paster～
11mm, paster metal width is 1mm～2mm.The width of described metal contact wires is
0.70mm～0.80mm.Described heart-shaped paster is structure symmetrical above and below, and it is by four arcs
Form with straight line；A length of 2mm～3mm of straight line, corresponding to large and small circular arc
Central angle is respectively 86 ° and 180 °, and the radius of large and small circular arc is respectively 3.7mm～3.9mm
With 1.0mm～1.2mm.The a length of 13.3mm of described impedance matching input transmission line～
13.5mm, width is 2.0mm～2.2mm.Described metal ground plate a length of
30mm～32mm, width is 12mm～14mm.Described fluting is by a rectangle and
Individual semicircle forms；A length of 10mm～11mm of rectangle, width is 3mm～4mm, half
The radius of circle is 3mm～4mm.
The symmetrical four-red-heart-shapearray array antenna of the present invention have loss low, radiation characteristic good, quality
Gently, volume is little, cost of manufacture is low, be easy to the advantages such as integrated.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of symmetrical four-red-heart-shapearray array antenna；
Fig. 2 is the structure schematic diagram of symmetrical four-red-heart-shapearray array antenna；
Fig. 3 is the S parameter curve chart of symmetrical four-red-heart-shapearray array antenna；
Fig. 4 is the antenna E surface radiation directional diagram when 8.56GHz；
Fig. 5 is the antenna H surface radiation directional diagram when 8.56GHz.
Detailed description of the invention
As shown in Fig. 1～2, symmetrical four-red-heart-shapearray array antenna include substrate 1, X-shaped paster 2,
3, four heart-shaped pasters 4 of four metal contact wires, impedance matching input transmission line 5, metal
Earth plate 6；The upper surface of substrate 1 is provided with 2, four metal contact wires 3, four of X-shaped paster
Individual heart-shaped paster 4 and impedance matching input transmission line 5, four end points of X-shaped paster 2 are respectively
Being connected with four heart-shaped pasters 4 by four metal contact wires 3, four heart-shaped pasters 4 have
Identical size, four heart-shaped pasters 4 are symmetrical about the vertical central axis of substrate 1；Base
The lower surface of plate 1 is provided with metal ground plate 6, and metal ground plate 6 is provided with fluting 7；Impedance
The top of coupling input transmission line 5 is connected with X-shaped paster 2, impedance matching input transmission line 5
Bottom be connected with the bottom of substrate 1, the bottom phase of the bottom of metal ground plate 6 and substrate 1
Even.
Described substrate 1 is glass-epoxy material, a length of 30mm of substrate 1～
32mm, width is 25mm～27mm.The a length of 10mm of described X-shaped paster 2～
11mm, paster metal width is 1mm～2mm.The width of described metal contact wires 3 is
0.70mm～0.80mm.Described heart-shaped paster 4 is structure symmetrical above and below, and it is by four sections of circles
Arc and straight line composition；A length of 2mm～3mm of straight line, corresponding to large and small circular arc
Central angle be respectively 86 ° and 180 °, the radius of large and small circular arc is respectively 3.7mm～3.9mm
With 1.0mm～1.2mm.The a length of 13.3mm of described impedance matching input transmission line 5～
13.5mm, width is 2.0mm～2.2mm.Described metal ground plate 6 a length of
30mm～32mm, width is 12mm～14mm.Described fluting 7 by a rectangle and
One semicircle composition；A length of 10mm～11mm of rectangle, width is 3mm～4mm,
The radius of semicircle is 3mm～4mm.
Embodiment 1
The glass-epoxy material selecting dielectric constant to be 4.4 makes micro-strip substrate, thick
Degree is 1.6mm.The a length of 30mm of substrate, width is 25mm.The length of X-shaped paster
For 10mm, paster metal width is 1mm.The width of metal contact wires is 0.70mm.The heart
Shape paster is structure symmetrical above and below, and it is made up of four arcs and straight line；The length of straight line
For 2mm, the central angle corresponding to large and small circular arc is respectively 86 ° and 180 °, large and small circular arc
Radius be respectively 3.7mm and 1.0mm.Impedance matching inputs a length of of transmission line
13.3mm, width is 2.0mm.The a length of 30mm of metal ground plate, width is 12mm.
Fluting is made up of a rectangle and a semicircle；The a length of 10mm of rectangle, width is 3mm,
The radius of semicircle is 3mm.The property indices of symmetrical four-red-heart-shapearray array antenna uses CST
Software carries out test analysis, the S parameter curve of gained as shown in Figure 3, as seen from the figure ,-10dB
Following working frequency range is 8.31GHz～8.82GHz.Fig. 4 and Fig. 5 show antenna and exists
E face during 8.56GHz and H face directional diagram, as seen from the figure, when frequency is 8.56GHz,
The gain of antenna is 3.3dBi, and half power lobe width is 53.2 °.
Claims (8)
1. a symmetrical four-red-heart-shapearray array antenna, it is characterised in that include substrate (1), X
Shape paster (2), four metal contact wires (3), four heart-shaped pasters (4), impedance matching are defeated
Enter transmission line (5), metal ground plate (6)；The upper surface of substrate (1) is provided with X-shaped paster
(2), four metal contact wires (3), four heart-shaped pasters (4) and impedance matching input pass
Defeated line (5), four end points of X-shaped paster (2) are respectively by four metal contact wires (3)
Being connected with four heart-shaped pasters (4), four heart-shaped pasters (4) are of the same size, and four
Individual heart-shaped paster (4) is symmetrical about the vertical central axis of substrate (1)；Substrate (1)
Lower surface be provided with metal ground plate (6), metal ground plate (6) is provided with fluting (7)；
The top of impedance matching input transmission line (5) is connected with X-shaped paster (2), impedance matching
The bottom of input transmission line (5) is connected with the bottom of substrate (1), metal ground plate (6)
Bottom be connected with the bottom of substrate (1).
A kind of symmetrical four-red-heart-shapearray array antenna the most according to claim 1, its feature
It is that described substrate (1) is glass-epoxy material, substrate (1) a length of
30mm～32mm, width is 25mm～27mm.
A kind of symmetrical four-red-heart-shapearray array antenna the most according to claim 1, its feature
Being a length of 10mm～11mm of described X-shaped paster (2), paster metal width is
1mm～2mm.
A kind of symmetrical four-red-heart-shapearray array antenna the most according to claim 1, its feature
The width being described metal contact wires (3) is 0.70mm～0.80mm.
A kind of symmetrical four-red-heart-shapearray array antenna the most according to claim 1, its feature
Being that described heart-shaped paster (4) is structure symmetrical above and below, it is straight by four arcs and one
Line forms；A length of 2mm～3mm of straight line, the central angle corresponding to large and small circular arc divides
Be not 86 ° and 180 °, the radius of large and small circular arc be respectively 3.7mm～3.9mm and 1.0mm～
1.2mm。
A kind of symmetrical four-red-heart-shapearray array antenna the most according to claim 1, its feature
It is a length of 13.3mm～13.5mm of described impedance matching input transmission line (5),
Width is 2.0mm～2.2mm.
A kind of symmetrical four-red-heart-shapearray array antenna the most according to claim 1, its feature
Be a length of 30mm～32mm of described metal ground plate (6), width be 12mm～
14mm。
A kind of symmetrical four-red-heart-shapearray array antenna the most according to claim 1, its feature
It is that described fluting (7) is made up of a rectangle and a semicircle；Rectangle a length of
10mm～11mm, width is 3mm～4mm, and the radius of semicircle is 3mm～4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491135.8A CN103500880B (en) | 2013-10-15 | 2013-10-15 | Symmetrical four-red-heart-shapearray array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491135.8A CN103500880B (en) | 2013-10-15 | 2013-10-15 | Symmetrical four-red-heart-shapearray array antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103500880A CN103500880A (en) | 2014-01-08 |
| CN103500880B true CN103500880B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310491135.8A Expired - Fee Related CN103500880B (en) | 2013-10-15 | 2013-10-15 | Symmetrical four-red-heart-shapearray array antenna |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5418541A (en) * | 1994-04-08 | 1995-05-23 | Schroeder Development | Planar, phased array antenna |
| CN101208831A (en) * | 2005-06-06 | 2008-06-25 | 松下电器产业株式会社 | Planar antenna device and radio communication device using the same |
| CN202977732U (en) * | 2012-11-14 | 2013-06-05 | 中国计量学院 | A compact coplanar waveguide feeding mobile communication microstrip antenna |
-
2013
- 2013-10-15 CN CN201310491135.8A patent/CN103500880B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5418541A (en) * | 1994-04-08 | 1995-05-23 | Schroeder Development | Planar, phased array antenna |
| CN101208831A (en) * | 2005-06-06 | 2008-06-25 | 松下电器产业株式会社 | Planar antenna device and radio communication device using the same |
| CN202977732U (en) * | 2012-11-14 | 2013-06-05 | 中国计量学院 | A compact coplanar waveguide feeding mobile communication microstrip antenna |
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| Publication number | Publication date |
|---|---|
| CN103500880A (en) | 2014-01-08 |
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Granted publication date: 20160921 Termination date: 20171015 |