CN103500880A - Symmetrically four-red-heart-shaped array antenna - Google Patents
Symmetrically four-red-heart-shaped array antenna Download PDFInfo
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- CN103500880A CN103500880A CN201310491135.8A CN201310491135A CN103500880A CN 103500880 A CN103500880 A CN 103500880A CN 201310491135 A CN201310491135 A CN 201310491135A CN 103500880 A CN103500880 A CN 103500880A
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Abstract
The invention discloses a symmetrically four-red-heart-shaped array antenna which comprises a substrate, an X-shaped patch, four metal connecting wires, four heart-shaped patches, an impedance matching input transmission line and a metal grounding plate, wherein the X-shaped patch, the four metal connecting lines, the four heart-shaped patches and the impedance matching input transmission line are arranged on the upper surface of the substrate; four endpoints of the X-shaped patch are respectively connected with the four heart-shaped patches through the four metal connecting wires; the lower surface of the substrate is provided with the metal grounding plate, and the metal grounding plate is provided with an opening slot; the top end of the impedance matching input transmission line is connected with the X-shaped patch, the bottom end of the impedance matching input transmission line is connected with the bottom end of the substrate, and the bottom end of the metal grounding plate is connected with the bottom end of the substrate. The symmetrically four-red-heart-shaped array antenna has the advantages of low loss, good radiation property, light weight, small size, low manufacturing cost, convenience for integration and the like.
Description
Technical field
The present invention relates to antenna, relate in particular to the heart-shaped array antenna of a kind of symmetrical quatre.
Background technology
Antenna is a kind ofly can transmit and receive electromagnetic device, is requisite part in any wireless communication system.The effect difference of possible each communication equipment, but the effect of antenna in this communication equipment is all the same.The task of antenna is exactly that the high-frequency current energy (guided wave) of transmitter output is changed into to electromagenetic wave radiation to space, or the space wave signal is changed into to the high-frequency current energy gives receiver.General antenna has invertibity, and same common antenna both can be made transmitting antenna, also can be used as reception antenna.Be the same antenna when the transmitting-receiving electromagnetic wave, its performance is the same, the reciprocity principle of Here it is antenna.
With conventional microwave antenna, compare, it has the following advantage: volume is little, lightweight, and section is low, can with the carrier syntype; Low cost of manufacture, be easy to batch production; The scattering section of antenna is less; Due to radiation patch, based on reflecting plate, so can obtain unidirectional lobe directions figure, the greatest irradiation direction is in the normal direction on plane; Be easy to microstripline integrated; Be easy to realize linear polarization and circular polarization, easily realize the multifunctional working patterns such as double frequency, dual polarization.And the micro-strip antenna array that the microstrip antenna of same structure forms can obtain higher gain and larger impedance bandwidth.So many just because of having advantages of, microstrip antenna just can more and more be taken seriously.
Summary of the invention
The invention provides the heart-shaped array antenna of a kind of symmetrical quatre, technical scheme is as follows:
The heart-shaped array antenna of symmetrical quatre comprises substrate, X-shaped paster, four metal connecting lines, four heart-shaped pasters, impedance matchings input transmission line, metal ground plate; The upper surface of substrate is provided with X-shaped paster, four metal connecting lines, four heart-shaped pasters and impedance matching input transmission line, and four end points of X-shaped paster are connected with four heart-shaped pasters by four metal connecting lines 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 the 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.
Described substrate is the glass-epoxy material, and the length of substrate is 30mm～32mm, and width is 25mm～27mm.The length of described X-shaped paster is 10mm～11mm, and the paster metal width is 1mm～2mm.The width of described metal connecting line is 0.70mm～0.80mm.Described heart-shaped paster is upper and lower symmetrical structure, and it is comprised of four arcs and straight line; The length of straight line is 2mm～3mm, and the corresponding central angle of large and small circular arc is respectively 86 ° and 180 °, and the radius of large and small circular arc is respectively 3.7mm～3.9mm and 1.0mm～1.2mm.The length of described impedance matching input transmission line is 13.3mm～13.5mm, and width is 2.0mm～2.2mm.The length of described metal ground plate is 30mm～32mm, and width is 12mm～14mm.Described fluting is comprised of a rectangle and a semicircle; The length of rectangle is 10mm～11mm, and width is 3mm～4mm, and the radius of semicircle is 3mm～4mm.
The heart-shaped array antenna of symmetrical quatre of the present invention has that loss is low, radiation characteristic good, quality is light, volume is little, cost of manufacture is low, be convenient to the advantages such as integrated.
The accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the heart-shaped array antenna of symmetrical quatre;
Fig. 2 is the structure schematic diagram of the heart-shaped array antenna of symmetrical quatre;
Fig. 3 is the S parametric plot of the heart-shaped array antenna of symmetrical quatre;
Fig. 4 is the E surface radiation directional diagram of antenna when 8.56GHz;
Fig. 5 is the H surface radiation directional diagram of antenna when 8.56GHz.
Embodiment
As shown in Fig. 1～2, the heart-shaped array antenna of symmetrical quatre comprises substrate 1, X-shaped paster 2, four metal connecting lines 3, four heart-shaped pasters 4, impedance matching input transmission line 5, metal ground plate 6; The upper surface of substrate 1 is provided with X-shaped paster 2, four metal connecting lines 3, four heart-shaped pasters 4 and impedance matching input transmission lines 5, and four end points of X-shaped paster 2 are connected with four heart-shaped pasters 4 by four metal connecting lines 3 respectively; The lower surface of substrate 1 is provided with metal ground plate 6, and 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, and the bottom of impedance matching input transmission line 5 is connected with the bottom of substrate 1, and the bottom of metal ground plate 6 is connected with the bottom of substrate 1.
Described substrate 1 is the glass-epoxy material, and the length of substrate 1 is 30mm～32mm, and width is 25mm～27mm.The length of described X-shaped paster 2 is 10mm～11mm, and the paster metal width is 1mm～2mm.The width of described metal connecting line 3 is 0.70mm～0.80mm.Described heart-shaped paster 4 is upper and lower symmetrical structure, and it is comprised of four arcs and straight line; The length of straight line is 2mm～3mm, and the corresponding central angle of large and small circular arc is respectively 86 ° and 180 °, and the radius of large and small circular arc is respectively 3.7mm～3.9mm and 1.0mm～1.2mm.The length of described impedance matching input transmission line 5 is 13.3mm～13.5mm, and width is 2.0mm～2.2mm.The length of described metal ground plate 6 is 30mm～32mm, and width is 12mm～14mm.Described fluting 7 is comprised of a rectangle and a semicircle; The length of rectangle is 10mm～11mm, and width is 3mm～4mm, and the radius of semicircle is 3mm～4mm.
Embodiment 1
Select the glass-epoxy material that dielectric constant is 4.4 to make micro-belt substrate, thickness is 1.6mm.The length of substrate is 30mm, and width is 25mm.The length of X-shaped paster is 10mm, and the paster metal width is 1mm.The width of metal connecting line is 0.70mm.Heart-shaped paster is upper and lower symmetrical structure, and it is comprised of four arcs and straight line; The length of straight line is 2mm, and the corresponding central angle of large and small circular arc is respectively 86 ° and 180 °, and the radius of large and small circular arc is respectively 3.7mm and 1.0mm.The length of impedance matching input transmission line is 13.3mm, and width is 2.0mm.The length of metal ground plate is 30mm, and width is 12mm.Fluting is comprised of a rectangle and a semicircle; The length of rectangle is 10mm, and width is 3mm, and the radius of semicircle is 3mm.The property indices of the heart-shaped array antenna of symmetrical quatre adopts CST software to carry out test analysis, and as shown in Figure 3, as seen from the figure, the following working frequency range of-10dB is 8.31GHz～8.82GHz to the S parameter curve of gained.Fig. 4 and Figure 5 shows that E face and the H face directional diagram of antenna when 8.56GHz, as seen from the figure, when frequency is 8.56GHz, the gain of antenna is 3.3dBi, the half power lobe width is 53.2 °.
Claims (8)
1. the heart-shaped array antenna of symmetrical quatre, is characterized in that comprising substrate (1), X-shaped paster (2), four metal connecting lines (3), four heart-shaped pasters (4), impedance matching input transmission line (5), metal ground plate (6); The upper surface of substrate (1) is provided with X-shaped paster (2), four metal connecting lines (3), four heart-shaped pasters (4) and impedance matching input transmission line (5), and four end points of X-shaped paster (2) are connected with four heart-shaped pasters (4) by four metal connecting lines (3) respectively; The lower surface of substrate (1) is provided with metal ground plate (6), and 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), the bottom of impedance matching input transmission line (5) is connected with the bottom of substrate (1), and the bottom of metal ground plate (6) is connected with the bottom of substrate (1).
2. the heart-shaped array antenna of a kind of symmetrical quatre according to claim 1, is characterized in that described substrate (1) is the glass-epoxy material, and the length of substrate (1) is 30mm～32mm, and width is 25mm～27mm.
3. the heart-shaped array antenna of a kind of symmetrical quatre according to claim 1, the length that it is characterized in that described X-shaped paster (2) is 10mm～11mm, the paster metal width is 1mm～2mm.
4. the heart-shaped array antenna of a kind of symmetrical quatre according to claim 1, the width that it is characterized in that described metal connecting line (3) is 0.70mm～0.80mm.
5. the heart-shaped array antenna of a kind of symmetrical quatre according to claim 1, is characterized in that described heart-shaped paster (4) is upper and lower symmetrical structure, and it is comprised of four arcs and straight line; The length of straight line is 2mm～3mm, and the corresponding central angle of large and small circular arc is respectively 86 ° and 180 °, and the radius of large and small circular arc is respectively 3.7mm～3.9mm and 1.0mm～1.2mm.
6. the heart-shaped array antenna of a kind of symmetrical quatre according to claim 1, is characterized in that the length of described impedance matching input transmission line (5) is 13.3mm～13.5mm, and width is 2.0mm～2.2mm.
7. the heart-shaped array antenna of a kind of symmetrical quatre according to claim 1, the length that it is characterized in that described metal ground plate (6) is 30mm～32mm, width is 12mm～14mm.
8. the heart-shaped array antenna of a kind of symmetrical quatre according to claim 1, is characterized in that described fluting (7) is comprised of a rectangle and a semicircle; The length of rectangle is 10mm～11mm, and width is 3mm～4mm, and the radius of semicircle is 3mm～4mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310491135.8A CN103500880B (en) | 2013-10-15 | 2013-10-15 | Symmetrical four-red-heart-shapearray array antenna |
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| CN201310491135.8A CN103500880B (en) | 2013-10-15 | 2013-10-15 | Symmetrical four-red-heart-shapearray array antenna |
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| CN103500880A true CN103500880A (en) | 2014-01-08 |
| CN103500880B CN103500880B (en) | 2016-09-21 |
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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 |
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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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| CN103500880B (en) | 2016-09-21 |
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Granted publication date: 20160921 Termination date: 20171015 |