CN209516014U - A kind of electricity harmonic beam scanning micro-strip paster antenna - Google Patents
A kind of electricity harmonic beam scanning micro-strip paster antenna Download PDFInfo
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- CN209516014U CN209516014U CN201920352656.8U CN201920352656U CN209516014U CN 209516014 U CN209516014 U CN 209516014U CN 201920352656 U CN201920352656 U CN 201920352656U CN 209516014 U CN209516014 U CN 209516014U
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- voltage control
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- 230000005611 electricity Effects 0.000 title claims description 9
- 230000003071 parasitic effect Effects 0.000 claims abstract description 61
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 230000005855 radiation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000024241 parasitism Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Abstract
The utility model discloses a kind of electric harmonic beam scanning micro-strip paster antennas, including the first and second dielectric-slab and the first and second voltage control module；Air layer is formed between first and second dielectric-slab；First medium plate upper surface is equipped with earth plate, and lower surface is equipped with the first copper clad layers, and earth plate is equipped with coupling aperture, and the first copper clad layers are equipped with feeder line and tuning minor matters, and the production of first medium plate has input port；Second medium plate upper surface is equipped with second copper-clad layer；Second copper-clad layer is equipped with rectangular patch, the first, second, third and fourth parasitic patch, the first and second varactor, the first, second, third and fourth chip inductor, the first, second, third and fourth voltage control interface；First and second parasitic patch connects to form a parasitic element by the first varactor, third and fourth parasitic patch connects to form a parasitic element by the second varactor, and rectangular patch is located between two parasitic elements.The entire antenna structure of the utility model is simple and easy to process, at low cost.
Description
Technical field
The utility model relates to the technical fields of antenna, refer in particular to a kind of electric harmonic beam scanning micro-strip paster antenna.
Background technique
The high speed development wirelessly communicated in recent years, with the arrival of the 5th generation communication system, for the message capacity of system
There is higher requirement with transmission rate.Paster antenna is since its is light-weight, small in size, easily conformal, easy processing, at low cost etc. is excellent
Point is widely applied in wireless telecommunication system.With the fast development of 5G technology and the rapid growth of wireless communication user,
All there is an urgent need to sufficiently improve the availability of frequency spectrum in very limited frequency spectrum resource, multi-beam antenna technology is to cope with this to need
The effective scheme asked is increasingly being applied to PCS Personal Communications System (PCS), satellite communication system, wireless local loop, wireless
Local area network (LAN) and wireless ATM system.There is very big research significance using microstrip antenna designs multibeam antenna.
The prior art is investigated, specific as follows:
Wu Zonglin professor et al. has delivered a paper in 2013 and has mentioned, and utilizes forward-wave directional coupler and phase
Disparity compensation Technology design 4 × 4Butler matrix, due to having chosen the coupler and phase shifter in broadband, realizing has width
Butler matrix with characteristic, therefore the multibeam antenna in broadband may be implemented.
Professor Ma Zizhuan realizes compact-sized 4 × 4Butler matrix using artificial transmission's cable architecture, and is realized with this
Four beam antennas.
Generally speaking, in existing work, there is the research much about multi-beam microstrip antenna, but many design methods
What is utilized is that the methods of phase feeding network is realized, be easy to cause the loss of energy, and design comparison is complicated.Therefore, it designs
A simple multi-beam micro-strip paster antenna is of great significance.
Utility model content
It is micro- to propose a kind of electric harmonic beam scanning for the shortcomings that the purpose of the utility model is to overcome the prior arts and deficiency
Band paster antenna, working frequency 3.5GHz may be implemented ± 42 ° of wave beam and sweep by adjusting the capacitance of varactor
Direction scope is retouched, and in entire adjustment process, reflection coefficient S11It is held essentially constant, and the gain of different directions is protected substantially
Hold constant, entire antenna structure is simple and easy to process, at low cost.
To achieve the above object, a kind of technical solution provided by the utility model are as follows: electricity harmonic beam scanning microband paste
Antenna, the antenna include two layers of dielectric-slab, respectively first medium plate and second medium plate, and the second medium plate is located at
Above first medium plate；It further include having first voltage control module and second voltage control module；The first medium plate and
One layer of air layer is formed between second medium plate；The upper surface of the first medium plate is provided with earth plate, and lower surface is provided with
First copper clad layers are provided with coupling aperture on the earth plate, feeder line and tuning branch are respectively arranged in first copper clad layers
Section adds tuning minor matters by feeder line and adjusts impedance matching, and the first medium plate production has input port；The second medium
The upper surface of plate is provided with second copper-clad layer, and rectangular patch, the first parasitic patch, are respectively arranged on the second copper-clad layer
Two parasitic patch, third parasitic patch, the 4th parasitic patch, the first varactor, the second varactor, the first patch electricity
Sense, the second chip inductor, third chip inductor, the 4th chip inductor, first voltage control interface, second voltage control interface,
Tertiary voltage control interface and the 4th voltage control interface, first parasitic patch and the second parasitic patch pass through the first transfiguration
Diode connects to form a parasitic element and, the third parasitic patch and fourth parasitism symmetrical about the first varactor
Patch connects to form parasitic element and symmetrical about the second varactor by the second varactor, by adjusting the
The capacitance of one varactor and the second varactor, so that the current distribution that two parasitic element generates is different, from
And realize the control of beam direction, first parasitic patch pass sequentially through the first chip inductor and first voltage control interface with
The connection of first voltage control module, second parasitic patch pass sequentially through the second chip inductor and second voltage control interface with
The connection of first voltage control module, the third parasitic patch pass sequentially through third chip inductor and tertiary voltage control interface with
The connection of second voltage control module, the 4th parasitic patch pass sequentially through the 4th chip inductor and the 4th voltage control interface with
The connection of second voltage control module, the rectangular patch are the primary radiation source of entire antenna, are located between two parasitic elements,
The feeder line feeds rectangular patch by coupling aperture.
Further, the working frequency of the antenna is 3.5GHz, by adjusting the first varactor and the second transfiguration two
The capacitance of pole pipe realizes the beam scanning in ± 42 ° of directions.
The utility model compared with prior art, have the following advantages that with the utility model has the advantages that
1, the electric harmonic beam scanning micro-strip paster antenna working frequency of the utility model is 3.5GHz, can be become by adjusting
Realize the beam scanning in ± 42 ° of directions in the both ends for holding diode.
2, the electric harmonic beam scanning micro-strip paster antenna of the utility model keeps reflection system while changing beam direction
Number S11It is basically unchanged.
3, the electric harmonic beam scanning micro-strip paster antenna of the utility model keeps gain base while changing beam direction
This is constant.
4, the processing is simple for the electric harmonic beam scanning micro-strip paster antenna of the utility model, and light-weight, processing cost is low, work
With wide, have a good application prospect.
Detailed description of the invention
Fig. 1 is the perspective view of the electric harmonic beam scanning micro-strip paster antenna of the utility model.
Fig. 2 is the side view of the electric harmonic beam scanning micro-strip paster antenna of the utility model.
Fig. 3 is the top view of the electric harmonic beam scanning micro-strip paster antenna of the utility model.
Fig. 4 is the bottom view of the electric harmonic beam scanning micro-strip paster antenna of the utility model.
Fig. 5 is the S of the electric harmonic beam scanning micro-strip paster antenna of the utility model11Simulation result diagram, the C2 value of (a) in figure
It is fixed as 0.5pf, C2 fixed value (b) is 4pf.
Fig. 6 is the beam direction simulation result diagram of the electric harmonic beam scanning micro-strip paster antenna of the utility model.
Fig. 7 is the gain analogous diagram of the electric harmonic beam scanning micro-strip paster antenna all directions of the utility model.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only used to explain this reality
With novel, it is not used to limit the utility model.
Referring to FIG. 1 to FIG. 4, electricity harmonic beam scanning micro-strip paster antenna, working frequency provided by the present embodiment are
3.5GHz includes first medium plate 1, second medium plate 2, first voltage control module 20 and second voltage control module 21；
The second medium plate 2 is located at 1 top of first medium plate, is formed with one layer between the first medium plate 1 and second medium plate 2
Air layer 6, the main function of air layer 6 are the gains in order to improve paster antenna；The upper surface of the first medium plate is arranged
There is earth plate 4, lower surface is provided with the first copper clad layers 3, coupling aperture 22 is provided on the earth plate 4, described first covers copper
It is respectively arranged with feeder line 23 and tuning minor matters 24 on layer 3, tuning minor matters 24 are added by feeder line 23 and adjust impedance matching, described the
The production of one dielectric-slab 1 has input port 25, is fed by input port 25 to entire antenna；The second medium plate 2
Upper surface is provided with second copper-clad layer 5, and rectangular patch 7, the first parasitic patch 8, are respectively arranged on the second copper-clad layer 5
Two parasitic patch 9, third parasitic patch 10, the 4th parasitic patch 11, the first varactor C1, the second varactor C2,
First chip inductor 12, the second chip inductor 13, third chip inductor 14, the 4th chip inductor 15, first voltage control interface
16, second voltage control interface 17, tertiary voltage control interface 18 and the 4th voltage control interface 19, first parasitic patch
8 connect to form a parasitic element and about the first varactor by the first varactor C1 with the second parasitic patch 9
C1 is symmetrical, and the third parasitic patch 10 connects to form a parasitism with the 4th parasitic patch 11 by the second varactor C2
Unit and symmetrical about the second varactor C2 passes through the electricity for adjusting the first varactor C1 and the second varactor C2
Capacitance, to realize the control of beam direction, realizes ± 42 ° of sides so that the current distribution that two parasitic element generates is different
To beam scanning, first parasitic patch 8 passes sequentially through the first chip inductor 12 and first voltage control interface 16 and
The connection of one voltage control module 20, second parasitic patch 9 passes sequentially through the second chip inductor 13 and second voltage control connects
Mouth 17 is connect with first voltage control module 20, and the third parasitic patch 10 passes sequentially through third chip inductor 14 and third electricity
Pressure control interface 18 is connect with second voltage control module 21, and the 4th parasitic patch 11 passes sequentially through the 4th chip inductor 15
It is connect with the 4th voltage control interface 19 with second voltage control module 21, the rectangular patch 7 is the main spoke of entire antenna
Source is penetrated, is located between two parasitic elements, the feeder line 23 feeds rectangular patch 7 by coupling aperture 22.
The dielectric constant of first medium plate 1 and second medium plate 2 is 2.55, loss angle tangent 0.0029.First is situated between
The thickness of scutum 1 and second medium plate 2 is 1.5 millimeters；Air layer 6 with a thickness of 2mm.First parasitic patch 8, second is parasitic
Patch 9, third parasitic patch 10 are as 11 size of the 4th parasitic patch, slightly larger than the wave of a quarter of designed frequency
It is long.First chip inductor 12, the second chip inductor 13, third chip inductor 14 and the 4th chip inductor 15 numerical value be
25nH。
By adjusting the capacitance of two varactors, so that the current distribution that two parasitic element generates is different,
To realize the control of beam direction, the method for adjusting is by first voltage control module 20 and second voltage control module 21
It realizes, the effect of the first chip inductor 12 is exactly to obstruct the electric current of the first parasitic patch 8 and pass through first voltage control interface
16 enter first voltage control module 20, and the effect of the second chip inductor 13 is exactly the electric current in order to obstruct the second parasitic patch 9
Enter first voltage control module 20 by second voltage control interface 17, the effect of third chip inductor 14 is exactly to obstruct
The electric current of third parasitic patch 10 enters second voltage control module 21, the 4th chip inductor by tertiary voltage control interface 18
15 effect is exactly to obstruct the electric current of the 4th parasitic patch 11 by the 4th voltage control interface 19 and enter second voltage control
Molding block 21.
It is shown in Figure 5, it is shown that the S of the above-mentioned electric harmonic beam scanning micro-strip paster antenna of the present embodiment11Simulation result, by
Simulation result can see, when the capacitance for changing different does not change reflection coefficient S substantially11Characteristic.
It is shown in Figure 6, it is shown that the beam direction emulation of the above-mentioned electric harmonic beam scanning micro-strip paster antenna of the present embodiment
As a result, can see by simulation result, different capacitances is set, beam direction can ° change from -42 ° to+42.
It is shown in Figure 7, it is shown that the gain of the above-mentioned electric harmonic beam scanning micro-strip paster antenna all directions of the present embodiment
Emulation, by simulation result, it can be seen that, when beam direction changes, gain substantially remains in 9dBi.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (2)
1. a kind of electricity harmonic beam scanning micro-strip paster antenna, the antenna includes two layers of dielectric-slab, respectively first medium plate
With second medium plate, the second medium plate is located above first medium plate；It is characterized by also including have first voltage control
Module and second voltage control module；One layer of air layer is formed between the first medium plate and second medium plate；Described
The upper surface of one dielectric-slab is provided with earth plate, and lower surface is provided with the first copper clad layers, is provided with coupling aperture on the earth plate
Diameter is respectively arranged with feeder line and tuning minor matters in first copper clad layers, adds tuning minor matters by feeder line and adjusts impedance matching,
The first medium plate production has input port；The upper surface of the second medium plate is provided with second copper-clad layer, and described second
Rectangular patch, the first parasitic patch, the second parasitic patch, third parasitic patch, the 4th parasitic patch are respectively arranged in copper clad layers
Piece, the first varactor, the second varactor, the first chip inductor, the second chip inductor, third chip inductor, the 4th
Chip inductor, first voltage control interface, second voltage control interface, tertiary voltage control interface and the control of the 4th voltage connect
Mouthful, first parasitic patch connected with the second parasitic patch by the first varactor to be formed a parasitic element and about
First varactor is symmetrical, and the third parasitic patch connects to form one with the 4th parasitic patch by the second varactor
A parasitic element and symmetrical about the second varactor passes through the electricity for adjusting the first varactor and the second varactor
Capacitance, so that the current distribution that two parasitic element generates is different, to realize the control of beam direction, described first is parasitic
Patch passes sequentially through the first chip inductor and first voltage control interface is connect with first voltage control module, and described second is parasitic
Patch passes sequentially through the second chip inductor and second voltage control interface is connect with first voltage control module, and the third is parasitic
Patch passes sequentially through third chip inductor and tertiary voltage control interface is connect with second voltage control module, and the described 4th is parasitic
Patch passes sequentially through the 4th chip inductor and the 4th voltage control interface is connect with second voltage control module, the rectangular patch
For the primary radiation source of entire antenna, be located between two parasitic elements, the feeder line by coupling aperture to rectangular patch into
Row feed.
2. a kind of electric harmonic beam scanning micro-strip paster antenna according to claim 1, it is characterised in that: the work of the antenna
Working frequency is 3.5GHz, and the capacitance by adjusting the first varactor and the second varactor realizes ± 42 ° of directions
Beam scanning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352656.8U CN209516014U (en) | 2019-03-20 | 2019-03-20 | A kind of electricity harmonic beam scanning micro-strip paster antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352656.8U CN209516014U (en) | 2019-03-20 | 2019-03-20 | A kind of electricity harmonic beam scanning micro-strip paster antenna |
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| Publication Number | Publication Date |
|---|---|
| CN209516014U true CN209516014U (en) | 2019-10-18 |
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| CN201920352656.8U Expired - Fee Related CN209516014U (en) | 2019-03-20 | 2019-03-20 | A kind of electricity harmonic beam scanning micro-strip paster antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980344A (en) * | 2019-03-20 | 2019-07-05 | 华南理工大学 | A kind of electricity harmonic beam scanning micro-strip paster antenna |
| CN114188716A (en) * | 2022-02-16 | 2022-03-15 | 成都雷电微力科技股份有限公司 | Microstrip planar antenna and antenna array |
-
2019
- 2019-03-20 CN CN201920352656.8U patent/CN209516014U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980344A (en) * | 2019-03-20 | 2019-07-05 | 华南理工大学 | A kind of electricity harmonic beam scanning micro-strip paster antenna |
| CN109980344B (en) * | 2019-03-20 | 2023-12-01 | 华南理工大学 | Electric tuning beam scanning microstrip patch antenna |
| CN114188716A (en) * | 2022-02-16 | 2022-03-15 | 成都雷电微力科技股份有限公司 | Microstrip planar antenna and antenna array |
| CN114188716B (en) * | 2022-02-16 | 2022-06-14 | 成都雷电微力科技股份有限公司 | Microstrip planar antenna and antenna array |
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