CN209515995U - A kind of wideband patch antenna of pixel array - Google Patents
A kind of wideband patch antenna of pixel array Download PDFInfo
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- CN209515995U CN209515995U CN201822048724.XU CN201822048724U CN209515995U CN 209515995 U CN209515995 U CN 209515995U CN 201822048724 U CN201822048724 U CN 201822048724U CN 209515995 U CN209515995 U CN 209515995U
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- pixel array
- patch antenna
- medium plate
- wideband
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- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 16
- 238000004088 simulation Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The utility model discloses a kind of wideband patch antennas of pixel array, including first, second and the third dielectric-slab from bottom to top set gradually, the lower surface of first medium plate is provided with the first copper clad layers, upper surface is provided with earth plate, the upper surface of second medium plate is provided with second copper-clad layer, and the upper surface of third dielectric-slab is provided with third copper clad layers；The tuning minor matters for being provided with T-shaped feeder line in first copper clad layers and being connected with T-shaped feeder line are provided with coupling aperture on earth plate, are provided with rectangular patch on second copper-clad layer, are provided with pixel array in third copper clad layers；Feed port is provided on first medium plate, the feed port is connect with T-shaped feeder line, it is fed by feed port, signal is from T-shaped feeder line by the way that on coupling aperture couple feed to rectangular patch and pixel array, last signal is gone out signal radiation by rectangular patch and pixel array.The antenna steady operation and antenna return loss in 2G-4GHz frequency range are less than -10dB.
Description
Technical field
The utility model relates to antenna technical fields, and in particular to a kind of wideband patch antenna of pixel array.
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.However, to be often limited to its bandwidth of operation narrow for micro-strip paster antenna.For patch
The bandwidth expansion of chip antenna, many scholars propose the expansion of many paster antennas by constantly improving and studying its characteristic
Technology.However some methods will lead to decreasing efficiency, gain reduction, the problems such as directional diagram is unstable.
The prior art is investigated, specific as follows:
Li Qifang professor and device postgraduate load U-shaped gap in nineteen ninety-five proposition and carry out broadened bandwidth.Loading U-shaped gap makes to paste
Piece forms multiresonant circuit, to broaden frequency band.Much load gap broadened bandwidth below is also based on this principle.
S.D.Targonski et al. proposes utilization " bore-product folds patch " (Aperture-Stacked Patch)
Design method broadened bandwidth.
Generally speaking, in existing work, have much about the research for expanding paster antenna broadband, but much design meetings
So that aerial loss makes efficiency be lower greatly.Or bandwidth enlargement is realized by adding the methods of gap to form multiple-tuned circuit, but
It is the gain of antenna and waveform or is affected.Therefore, the paster antenna of a simple wide band high-gain is designed with important
Meaning.
Utility model content
Purpose of the utility model is to solve drawbacks described above in the prior art, provide a kind of broadband of pixel array
Paster antenna.The antenna element of the utility model can in the range of 2GHz-4GHz steady operation, in the frequency of 2GHz-4GHz
Rate range internal antenna return loss is less than -10dB, and the gain in the frequency range of 2GHz-4GHz is maintained at 9dB or so.
Entire antenna structure is simple and easy to process, at low cost.
The purpose of this utility model can be reached by adopting the following technical scheme that:
A kind of wideband patch antenna of pixel array, the wideband patch antenna include from bottom to top set gradually
One dielectric-slab 1, second medium plate 2 and third dielectric-slab 3, wherein between the first medium plate 1 and second medium plate 2
It is provided with the first air layer 8, the second air layer 9 is provided between the second medium plate 2 and third dielectric-slab 3, it is described
The lower surface of first medium plate 1 is provided with the first copper clad layers 4, and the upper surface of the first medium plate 1 is provided with earth plate 5,
The upper surface of the second medium plate 2 is provided with second copper-clad layer 6, and the upper surface of the third dielectric-slab 3 is provided with
Three copper clad layers 7；
The tuning minor matters 14 for being provided with T-shaped feeder line 13 in first copper clad layers 4 and being connected with T-shaped feeder line 13, institute
It is provided with coupling aperture 12 on the earth plate 5 stated, is provided with rectangular patch 11, the third on the second copper-clad layer 6
Pixel array 10 is provided in copper clad layers 7；
It is provided with feed port 15 on the first medium plate 1, which connect with T-shaped feeder line 13, passes through
Feed port 15 is fed, and signal passes through coupling 12 couple feed of aperture to rectangular patch 11 and pixel array 10 from T-shaped feeder line 13
On, last signal is gone out signal radiation by rectangular patch 11 and pixel array 10.
Further, the feed port 15 while input port and output port as wideband patch antenna.
Further, the pixel array 10 is used to improve the bandwidth of wideband patch antenna.
Further, the rectangular patch 11 is used for the radiation source of entire wideband patch antenna.
Further, the tuning minor matters 14 expand bandwidth for introducing a mode of resonance.
Further, the pixel array 10 is made of 6 × 6 square patch, wherein each square patch
Having a size of 7mm, gap 0.7mm.
Further, first air layer 8 for reduce rectangular patch 11 with couple the coupling in aperture 12, by
Mode of resonance caused by rectangular patch 11 and as coupling aperture 12 caused by mode of resonance mutually from frequency interval widen.
Further, second air layer 9 is used to improve the gain and bandwidth of wideband patch antenna.
Further, the dielectric constant of the first medium plate 1, second medium plate 2 and third dielectric-slab 3 is
2.55, the thickness of loss angle tangent 0.0029, the first medium plate 1, second medium plate 2 and third dielectric-slab 3 is
1.5mm。
Further, first air layer 8 with a thickness of 10mm, second air layer 9 with a thickness of 9mm.
The utility model compared with the existing technology have following advantages and effects
1, the wideband patch antenna working frequency of pixel array disclosed by the utility model is the frequency more than 2GHz- 4GHz
Rate range, relative bandwidth are more than 67%.
2, the gain in the frequency range of 2GHz-4GHz of the wideband patch antenna of pixel array disclosed by the utility model is non-
Chang Pingtan maintains to stablize in the range of 9dB or so.
3, the wideband patch antenna wave beam of pixel array disclosed by the utility model has in the frequency range of 2GHz-4GHz
There is good characteristic.
4, the wideband patch antenna of pixel array disclosed by the utility model, the processing is simple, light-weight, and processing cost is low,
Work belt is wide, has a good application prospect.
Detailed description of the invention
Fig. 1 is a kind of wideband patch antenna 3D structure chart of pixel array disclosed by the utility model；
Fig. 2 is a kind of dielectric structure figure of the wideband patch antenna of pixel array disclosed by the utility model；
Fig. 3 is a kind of pixel array figure of the wideband patch antenna of pixel array disclosed by the utility model；
Fig. 4 is a kind of rectangular patch structure chart of the wideband patch antenna of pixel array disclosed by the utility model；
Fig. 5 is a kind of wideband patch antenna feeder line of pixel array disclosed by the utility model and the structure in coupling aperture
Figure；
Fig. 6 is a kind of return loss S11 simulation result of the wideband patch antenna of pixel array disclosed by the utility model
Figure；
Fig. 7 is a kind of wideband patch antenna gain curve simulation result diagram of pixel array disclosed by the utility model；
Fig. 8 is a kind of the imitative of the directional diagram of each Frequency point of wideband patch antenna of pixel array disclosed by the utility model
True result figure, Fig. 8 (a) are the simulation result diagrams of the directional diagram of 2GHz Frequency point, and Fig. 8 (b) is the directional diagram of 2.5GHz Frequency point
Simulation result diagram, Fig. 8 (c) is the simulation result diagram of the directional diagram of 3GHz Frequency point, and Fig. 8 (d) is the side of 3.5GHz Frequency point
To the simulation result diagram of figure, Fig. 8 (e) is the simulation result diagram of the directional diagram of 4GHz Frequency point；
Wherein, 1- first medium plate, 2- second medium plate, 3- third dielectric-slab, the first of 4- placement T-shaped feeder line cover copper
Layer, 5- earth plate, 6- place the second copper-clad layer of rectangular patch, and 7- places the third copper clad layers of pixel array, the first air of 8-
Layer, the second air layer of 9-, 10- pixel array, 11- rectangular patch, 12 coupling apertures, 13-T type feeder line, 14- tune minor matters,
15- feed port.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Embodiment
Shown in referring to Fig.1, it is shown that a kind of 3D structure chart of the wideband patch antenna of pixel array of the utility model.
Referring to shown in Fig. 2,3,4,5, a kind of wideband patch antenna of pixel array disclosed in the present embodiment, including first Jie
Scutum 1, the first copper clad layers 4 positioned at 1 lower surface of first medium plate, the earth plate 5 positioned at 1 upper surface of first medium plate, second
Dielectric-slab 2, the second copper-clad layer 6 positioned at 2 upper surface of second medium plate, third dielectric-slab 3 are located at 3 upper surface of third dielectric-slab
Third copper clad layers 7；The first air layer 8, second medium plate 2 and are provided between first medium plate 1 and second medium plate 2
The second air layer 9 is provided between three dielectric-slabs 3.
It is provided with T-shaped feeder line 13 and tuning minor matters 14 in first copper clad layers 4, coupling aperture 12 is provided on earth plate 5, the
Rectangular patch 11 is provided in two copper clad layers 6；6 × 6 pixel arrays 10 are provided in third copper clad layers 7.It is set on first medium plate 1
It is equipped with feed port 15.
The dielectric constant of first medium plate 1, second medium plate 2 and third dielectric-slab 3 is 2.55 in design, loss angle
Just it is cut to 0.0029.The thickness of first medium plate 1, second medium plate 2 and third dielectric-slab 3 is 1.5mm；First air layer
With a thickness of 10mm, the second air layer with a thickness of 9mm.
It is shown in Figure 2, it is shown that a kind of dielectric structure figure of the wideband patch antenna of pixel array of the utility model,
Entire antenna is made of three layers of dielectric-slab and two layers of air layer.The main function of first air layer 8 is to reduce rectangular patch
11 with the coupling that couples aperture 12, the mode of resonance as caused by rectangular patch 11 and the resonant mode as caused by coupling aperture 12
Formula phase from frequency interval more greatly.Second air layer 9 is primarily to improve gain and bandwidth.
It is shown in Figure 3, it is shown that a kind of pixel array of the wideband patch antenna of pixel array of the utility model
Illustraton of model, pixel array 10 are made of 6 × 6 square patch；The size of each square patch is 7mm, and gap is
0.7mm.The main purpose of 6 × 6 pixel array 10 is to improve the bandwidth of paster antenna.
It is shown in Figure 4, it is shown that a kind of rectangular patch of the wideband patch antenna of pixel array of the utility model.Square
Primary radiation source of the shape patch 11 as entire antenna element.
It is shown in Figure 5, it is shown that a kind of feed structure of the wideband patch antenna of pixel array of the utility model.Feedback
Cable architecture is T-shaped feeder line 13, introduces a mode of resonance by addition tuning minor matters 14 and expands bandwidth.T-shaped feeder line 13 passes through coupling
Aperture 12 is closed to feed rectangular patch 11.
The input port and output port as wideband patch antenna simultaneously of feed port 15, and with the company of T type feeder line 13
It connects, is fed by feed port 15, signal is coupled to rectangular patch 11 and pixel array by coupling aperture 12 from T-shaped feeder line 13
On 10, last signal is gone out signal radiation by rectangular patch and pixel array.
It is shown in Figure 6, it is shown that a kind of return loss S11 of the wideband patch antenna of pixel array of the utility model
Simulation result diagram.From simulation result, it can be seen that, frequency range of the antenna return loss less than -10dB has been more than 2GHz-4GHz
Frequency separation, relative bandwidth has been more than 67%.
It is shown in Figure 7, it is shown that a kind of gain results figure of the wideband patch antenna of pixel array of the utility model.
From simulation result diagram, it can be seen that, in the frequency range of 2GHz-4GHz, flat gain is maintained at 9dB or so.
It is shown referring to Fig. 8 (a), Fig. 8 (b), Fig. 8 (c), Fig. 8 (d) and Fig. 8 (e) in Fig. 8, respectively illustrate the utility model
A kind of pixel array wideband patch antenna five Frequency points of 2GHz, 2.5GHz, 3GHz, 3.5GHz and 4GHz emulation
Directional diagram.From simulation result it can be seen that, the spy that the antenna of the utility model can suit the requirements in the directional diagram of 2GHz-4GHz
Property.
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 (10)
1. a kind of wideband patch antenna of pixel array, which is characterized in that the wideband patch antenna include from bottom to top according to
First medium plate (1), second medium plate (2) and the third dielectric-slab (3) of secondary setting, wherein the first medium plate (1)
It is provided between second medium plate (2) the first air layer (8), between the second medium plate (2) and third dielectric-slab (3)
It being provided with the second air layer (9), the lower surface of the first medium plate (1) is provided with the first copper clad layers (4), and described first
The upper surface of dielectric-slab (1) is provided with earth plate (5), and the upper surface of the second medium plate (2) is provided with second copper-clad layer
(6), the upper surface of the third dielectric-slab (3) is provided with third copper clad layers (7)；
The tuning minor matters for being provided with T-shaped feeder line (13) in first copper clad layers (4) and being connected with T-shaped feeder line (13)
(14), it is provided with coupling aperture (12) on the earth plate (5), is provided with rectangular patch on the second copper-clad layer (6)
(11), pixel array (10) are provided in the third copper clad layers (7)；
Feed port (15) are provided on the first medium plate (1), which connect with T-shaped feeder line (13),
It is fed by feed port (15), signal passes through coupling aperture (12) couple feed to rectangular patch (11) from T-shaped feeder line (13)
On pixel array (10), last signal is gone out signal radiation by rectangular patch (11) and pixel array (10).
2. a kind of wideband patch antenna of pixel array according to claim 1, which is characterized in that the feed port
(15) input port and output port as wideband patch antenna simultaneously.
3. a kind of wideband patch antenna of pixel array according to claim 1, which is characterized in that the pixel array
(10) for improving the bandwidth of wideband patch antenna.
4. a kind of wideband patch antenna of pixel array according to claim 1, which is characterized in that the rectangular patch
(11) it is used for the radiation source of entire wideband patch antenna.
5. a kind of wideband patch antenna of pixel array according to claim 1, which is characterized in that the tuning minor matters
(14) bandwidth is expanded for introducing a mode of resonance.
6. a kind of wideband patch antenna of pixel array according to claim 1, which is characterized in that the pixel array
(10) it is made of 6 × 6 square patch, wherein the size of each square patch is 7mm, gap 0.7mm.
7. a kind of wideband patch antenna of pixel array according to claim 1, which is characterized in that first air
Layer (8) is used for the coupling for reducing rectangular patch (11) with coupling aperture (12), the mode of resonance as caused by rectangular patch (11)
With as coupling aperture (12) caused by mode of resonance mutually from frequency interval widen.
8. a kind of wideband patch antenna of pixel array according to claim 1, which is characterized in that second air
Layer (9) is used to improve the gain and bandwidth of wideband patch antenna.
9. a kind of wideband patch antenna of pixel array according to any one of claims 1 to 8, which is characterized in that described
The dielectric constant of first medium plate (1), second medium plate (2) and third dielectric-slab (3) is 2.55, and loss angle tangent is
0.0029, the thickness of the first medium plate (1), second medium plate (2) and third dielectric-slab (3) is 1.5mm.
10. a kind of wideband patch antenna of pixel array according to any one of claims 1 to 8, which is characterized in that described
First air layer (8) with a thickness of 10mm, second air layer (9) with a thickness of 9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822048724.XU CN209515995U (en) | 2018-12-07 | 2018-12-07 | A kind of wideband patch antenna of pixel array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822048724.XU CN209515995U (en) | 2018-12-07 | 2018-12-07 | A kind of wideband patch antenna of pixel array |
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| CN209515995U true CN209515995U (en) | 2019-10-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524779A (en) * | 2018-12-07 | 2019-03-26 | 华南理工大学 | A kind of wideband patch antenna of pixel array |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524779A (en) * | 2018-12-07 | 2019-03-26 | 华南理工大学 | A kind of wideband patch antenna of pixel array |
| CN109524779B (en) * | 2018-12-07 | 2024-06-11 | 华南理工大学 | Broadband patch antenna of pixel array |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 |