CN207834561U - A kind of broadbands 5G trap circular polarized antenna - Google Patents
A kind of broadbands 5G trap circular polarized antenna Download PDFInfo
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- CN207834561U CN207834561U CN201820002731.3U CN201820002731U CN207834561U CN 207834561 U CN207834561 U CN 207834561U CN 201820002731 U CN201820002731 U CN 201820002731U CN 207834561 U CN207834561 U CN 207834561U
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- Prior art keywords
- patch
- metal
- feeding structure
- coaxial feeding
- broadbands
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- 239000000758 substrate Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052697 platinum Inorganic materials 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 7
- 239000011135 tin Substances 0.000 claims description 7
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 6
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 6
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 6
- 229910001260 Pt alloy Inorganic materials 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 8
- 238000004088 simulation Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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- Waveguide Aerials (AREA)
Abstract
The utility model discloses a kind of broadbands 5G trap circular polarized antennas, including medium substrate, metallic reflection plate, metal radiation patch group, coaxial feeding structure；Metallic reflection plate is located at the lower section of dielectric substrate, and metal radiation patch group is by 2nThe rectangular patch of identical one chamfering of band of piece forms, n is the natural number in addition to zero, wherein half rectangular patch is distributed in the upper surface of medium substrate in a manner of semi-circumference array, in addition half rectangular patch is distributed in the lower surface of medium substrate in a manner of semi-circumference array, the two halves rectangular patch group can combine one full circle distribution of composition, the chamfering of every patch is just overlapped in circumferential edge, adjacent two patch is connected by microstrip line in every half rectangular patch group, and fine crack is etched on every patch and is provided with notch；Coaxial feeding structure feeds metal radiation patch group by metallic reflection plate.The utility model has many advantages, such as bandwidth, simple in structure, easy processing, at low cost.
Description
Technical field
The utility model is related to the technical fields of wireless communication, refer in particular to a kind of broadbands 5G trap circular polarized antenna.
Background technology
With the development of wireless communication technique, 5G communications are gradually stepped into utilization, and 5G communications have in low-frequency range
Two frequency ranges, respectively 3.3GHz-3.6GHz and 4.8GHz-5.0GHz, will be completely covered the communication range of the two frequency ranges, then
It is required that antenna has broadband performance.Simultaneously as there is circular polarized antenna anti-polarization mismatch and Faraday rotation effect etc. to be better than
The advantages of linear polarized antenna, and be widely studied.So 5G Broadband circularly polarized antennas, become a research topic.
And for many Broadband circularly polarized antennas, certain frequency ranges of covering do not need, and it requires that antenna has
The trap function of these frequency ranges.
According to investigations with understanding, disclosed prior art is as follows：
" the IEEE Access " of in August, 2017, Son Xuat Ta, Ikmo Park, and Richad W.Ziolkowski
It delivers entitled " Broadband Electrically Small Circularly Polarized Directive Antenna "
Article in propose a kind of small-sized circular polarized antenna.This article generates another pattern by using near field parasitic patch,
Carry out broadened bandwidth, and miniaturization is realized by way of being bent radiator and loading capacitance.But the gain of the antenna is not high.
2016, in " 2016IEEE Internation Conference on Computational " meeting, Zhi
Hong Tu, Yan Yan Liu and Qing Xin Chu send out " Differential wide-slot UWB antenna entitled
A kind of difference Ultrawide-band trap antenna is proposed in the article of with band-noched applications ", it is thin by etching
Seam produces trap performance.But the antenna is linear polarized antenna.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts and deficiency, it is proposed that a kind of broadbands 5G trap entelechy
Change antenna, which has circular polarisation and a trap characteristic, and bandwidth, simple in structure, easy processing, at low cost, can apply to
5G is communicated and the communication system in 3.01GHz-6.5GHz band limits.
To achieve the above object, technical solution provided by the utility model is：A kind of broadbands 5G trap circular polarized antenna,
Include medium substrate, metallic reflection plate, metal radiation patch group, coaxial feeding structure；The metallic reflection plate, which is located at, to be situated between
The lower section of matter substrate, the metal radiation patch group is by 2nThe rectangular patch of identical one chamfering of band of piece forms, and n is in addition to zero
The rectangular patch of natural number, wherein one chamfering of half band is distributed in the upper surface of medium substrate in a manner of semi-circumference array, separately
The rectangular patch of outer one chamfering of half band is distributed in the lower surface of medium substrate in a manner of semi-circumference array, which falls
The rectangular patch group at angle can combine one full circle distribution of composition, and the chamfering of every patch is just overlapped in circumferential edge, per half
Adjacent two patch is connected by microstrip line in rectangular patch group with a chamfering, and is etched with fine crack on every patch and is opened
There is notch；The coaxial feeding structure feeds metal radiation patch group by metallic reflection plate, but the coaxial line is presented
Electric structure is not contacted with metallic reflection plate, the inner wire of the coaxial feeding structure and the patch phase of dielectric substrate upper surface
Even, outer conductor is connected with the patch of dielectric substrate lower surface.
The fine crack is Г shape fine cracks.
The notch is rectangular notch, close to the angular position always closest to rectangular patch chamfering.
The metallic reflection plate is located at a quarter center frequency wavelength below dielectric substrate.
Adjacent two patch is by quarter-wave microstrip line phase in the rectangular patch group of every half band, one chamfering
Even.
The medium substrate is FR-4 substrates, polyimide substrate, polytetrafluoroethylglass glass cloth substrate, co-fired ceramic substrate
In any one.
The metallic reflection plate be aluminum metal reflecting plate, aluminium alloy reflecting plate, ferrous metal reflecting plate, ferroalloy reflecting plate,
Tin metal reflecting plate, tin alloy reflecting plate, copper metal reflecting plate, copper alloy reflecting plate, silver metal reflecting plate, silver alloy reflection
Any one in plate, golden metallic reflection plate, billon reflecting plate, platinum reflecting plate, platinum alloy reflecting plate.
The rectangular patch of one chamfering of the band be aluminum metal patch, aluminium alloy patch, ferrous metal patch, ferroalloy patch,
Tin metal patch, tin alloy patch, copper metal patch, copper alloy patch, silver metal patch, silver alloy patch, golden metal patch,
Any one in billon patch, platinum patch, platinum alloy patch.
The coaxial feeding structure is aluminum metal coaxial feeding structure, aluminium alloy coaxial feeding structure, ferrous metal
Coaxial feeding structure, ferroalloy coaxial feeding structure, tin metal coaxial feeding structure, tin alloy coaxial feeding knot
Structure, copper metal coaxial feeding structure, copper alloy coaxial feeding structure, silver metal coaxial feeding structure, silver alloy are coaxial
Line feed structure, golden metal coaxial feeding structure, billon coaxial feeding structure, platinum coaxial feeding structure, platinum
Any one in alloy coaxial feeding structure.
The utility model compared with prior art, has the following advantages that and advantageous effect：
1, the broadband trap circular polarized antenna of the utility model has trap function compared with the design of the prior art, and
Very little is influenced on the circular polarisation performance of other frequency ranges.
2, the broadband trap circular polarized antenna of the utility model, by carrying out chamfering and etching rectangular channel reality to radiation patch
Existing broadband performance.
3, the broadband trap circular polarized antenna of the utility model, by etching Г shape fine cracks, production on fan beam patch
Trap performance, and the length by changing Г shape fine cracks are given birth to, thus it is possible to vary the frequency of trap.
4, the broadband trap circular polarized antenna of the utility model impedance matching (| S11|≤- 10dB) bandwidth be 94.9%
(2.53GHz~7.1GHz), axis ratio (AR≤3dB) bandwidth are 70.5% (3.28GHz~6.85GHz), and maximum gain is
8.3dB disclosure satisfy that using for 5G communication systems requires with wider bandwidth and higher gain.
5, the structure of the broadband trap circular polarized antenna of the utility model is simple, easy processing, the processing based on medium substrate
Technical maturity can meet the requirement of Broadband circularly polarized antenna low cost.
Description of the drawings
Fig. 1 is the vertical view of the broadbands the 5G trap circular polarized antenna of the utility model embodiment.
Fig. 2 is the front view of the broadbands the 5G trap circular polarized antenna of the utility model embodiment.
Fig. 3 is that the broadbands the 5G trap circular polarized antenna of the utility model embodiment is located at the patch office of medium substrate upper surface
Portion's figure.
Fig. 4 is that the broadbands the 5G trap circular polarized antenna of the utility model embodiment is located at the patch office of medium substrate lower surface
Portion's figure.
Fig. 5 is the broadbands the 5G trap circular polarized antenna of the utility model embodiment | S11| the simulation result curve of parameter.
Fig. 6 is that the simulation result of the broadbands 5G trap circular polarized antenna axis ratio (AR) parameter of the utility model embodiment is bent
Line.
Fig. 7 is that the simulation result of the broadbands 5G the gain of trap circular polarized antenna (Gain) parameter of the utility model embodiment is bent
Line.
Specific implementation mode
With reference to specific embodiment, the utility model is described in further detail.
As shown in Figures 1 to 4, the broadbands the 5G trap circular polarized antenna that the present embodiment is provided, include medium substrate 1,
Metallic reflection plate 2, radiation patch group, coaxial feeding structure 6；The metallic reflection plate 2 is located at 1 about four points of lower section of dielectric substrate
One of at center frequency wavelength, the radiation patch group is by 2nThe rectangle of identical one chamfering of band of piece (optimal selection four) pastes
Piece forms, and n is the natural number in addition to zero, and the case where the present embodiment is then to enumerate four, it shares four identical bands one and falls
Rectangular patch 3a, 3b, 3c, 3d composition at angle, wherein rectangular patch 3c, 3d of one chamfering of two panels band are in a manner of semi-circumference array
It is distributed in the upper surface of medium substrate 1, in addition rectangular patch 3a, 3b of one chamfering of two panels band are distributed in a manner of semi-circumference array
In the lower surface of medium substrate 1, rectangular patch 3a, 3b, 3c, 3d of four one chamferings of band can combine one full circle distribution of composition
(being similar to four flabellums), and the chamfering of every patch is just overlapped in circumferential edge, is located at one chamfering of two panels band of the same side
Rectangular patch is connected by quarter-wave microstrip line (being not drawn into figure), i.e. rectangular patch 3a, 3b of one chamfering of band pass through
Quarter-wave microstrip line is connected, and rectangular patch 3c, 3d of one chamfering of band are connected by quarter-wave microstrip line,
It is etched with Г shapes fine crack 5 on every patch and is provided with rectangular notch 4, and the rectangular notch 4 is close to closest to rectangle
The angular position always of patch chamfering；The coaxial feeding structure 6 presents radiation patch group by metallic reflection plate 2
Electricity, but the coaxial feeding structure 6 is not contacted with metallic reflection plate 2, inner wire and the medium base of the coaxial feeding structure 6
The rectangular patch 3c of 1 upper surface of piece is connected, and outer conductor is connected with the rectangular patch 3b of 1 lower surface of dielectric substrate.
The medium substrate 1 is using any one in FR-4, polyimides, polytetrafluoroethylglass glass cloth, common burning porcelain
Material is constituted, dielectric constant 4.4, loss angle 0.02, and processing technology is ripe, and at low cost, manufacturing process is simple, yield rate
Height can meet the requirement of high-gain 5G Broadband circularly polarized antenna low costs.
The metal that the metallic reflection plate 2, radiation patch group and coaxial feeding structure 6 use for aluminium, iron, tin, copper,
Any one in silver, gold, platinum or in which a kind of alloy.
It is right by calculating and Electromagnetic Simulation after the dimensional parameters for adjusting the broadbands the 5G trap circular polarized antenna of the present embodiment
The broadbands the 5G trap circular polarized antenna of the present embodiment has carried out simulating, verifying, before solid line is after trap as a result, dotted line is trap
Result.As shown in figure 5, giving the antenna | S11| the curve of parameter (input port return loss) simulation result, it can be with
See, in 2.53GHz~7.1GHz band limits, | S11| value be both less than -10dB；As shown in fig. 6, giving the antenna
The curve of axis ratio (AR) parameters simulation result, it can be seen that in 3.28GHz~6.85GHz band limits, the value of AR is both less than
3dB；As shown in fig. 7, giving the curve of gain (Gain) parameters simulation result of the antenna, it can be seen that in above-mentioned frequency range
In range, maximum gain 8.3dB；Emulation the result shows that the broadbands the 5G trap circular polarized antenna of the present embodiment have it is wider
Bandwidth, higher gain, trap is functional, disclosure satisfy that the requirement of 5G communication systems, is worthy to be popularized.
Embodiment described above is only the preferred embodiment of the utility model, and the implementation of the utility model is not limited with this
Range, therefore change made by all shapes according to the utility model, principle, it should all cover within the protection scope of the present utility model.
Claims (9)
1. a kind of broadbands 5G trap circular polarized antenna, it is characterised in that：Include medium substrate, metallic reflection plate, metal radiation
Patch group, coaxial feeding structure；The metallic reflection plate is located at the lower section of dielectric substrate, and the metal radiation patch group is by 2n
The rectangular patch of identical one chamfering of band of piece forms, and n is the natural number in addition to zero, wherein the rectangular patch of one chamfering of half band with
The mode of semi-circumference array is distributed in the upper surface of medium substrate, and in addition the rectangular patch of one chamfering of half band is with semi-circumference array
Mode be distributed in the lower surface of medium substrate, the rectangular patch group of one chamfering of two halves band can combine composition one full circle point
Cloth, and the chamfering of every patch is just overlapped in circumferential edge, adjacent two patch is logical in the rectangular patch group of every half band, one chamfering
It crosses microstrip line to be connected, and is etched with fine crack on every patch and is provided with notch；The coaxial feeding structure passes through metal
Reflecting plate feeds metal radiation patch group, but the coaxial feeding structure is not contacted with metallic reflection plate, described coaxial
The inner wire of line feed structure is connected with the patch of dielectric substrate upper surface, the patch phase of outer conductor and dielectric substrate lower surface
Even.
2. a kind of broadbands 5G trap circular polarized antenna according to claim 1, it is characterised in that：The fine crack is that Г shapes are thin
Seam.
3. a kind of broadbands 5G trap circular polarized antenna according to claim 1, it is characterised in that：The notch is rectangular channel
Mouthful, close to the angular position always closest to rectangular patch chamfering.
4. a kind of broadbands 5G trap circular polarized antenna according to claim 1, it is characterised in that：The metallic reflection plate position
At a quarter center frequency wavelength below dielectric substrate.
5. a kind of broadbands 5G trap circular polarized antenna according to claim 1, it is characterised in that：Every half band, one chamfering
Rectangular patch group in adjacent two patch be by quarter-wave microstrip line be connected.
6. a kind of broadbands 5G trap circular polarized antenna according to claim 1, it is characterised in that：The medium substrate is
Any one in FR-4 substrates, polyimide substrate, polytetrafluoroethylglass glass cloth substrate, co-fired ceramic substrate.
7. a kind of broadbands 5G trap circular polarized antenna according to claim 1, it is characterised in that：The metallic reflection plate is
Aluminum metal reflecting plate, aluminium alloy reflecting plate, ferrous metal reflecting plate, ferroalloy reflecting plate, tin metal reflecting plate, tin alloy reflection
Plate, copper metal reflecting plate, copper alloy reflecting plate, silver metal reflecting plate, silver alloy reflecting plate, golden metallic reflection plate, billon are anti-
Penetrate any one in plate, platinum reflecting plate, platinum alloy reflecting plate.
8. a kind of broadbands 5G trap circular polarized antenna according to claim 1, it is characterised in that：The square of one chamfering of the band
Shape patch is aluminum metal patch, aluminium alloy patch, ferrous metal patch, ferroalloy patch, tin metal patch, tin alloy patch, copper
Metal patch, copper alloy patch, silver metal patch, silver alloy patch, golden metal patch, billon patch, platinum patch, platinum
Any one in alloy patch.
9. a kind of broadbands 5G trap circular polarized antenna according to claim 1, it is characterised in that：The coaxial feeding knot
Structure is that aluminum metal coaxial feeding structure, aluminium alloy coaxial feeding structure, ferrous metal coaxial feeding structure, ferroalloy are coaxial
Line feed structure, tin metal coaxial feeding structure, tin alloy coaxial feeding structure, copper metal coaxial feeding structure, copper
Alloy coaxial feeding structure, silver metal coaxial feeding structure, silver alloy coaxial feeding structure, golden metal coaxial feeding
It is any one in structure, billon coaxial feeding structure, platinum coaxial feeding structure, platinum alloy coaxial feeding structure
Kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820002731.3U CN207834561U (en) | 2018-01-02 | 2018-01-02 | A kind of broadbands 5G trap circular polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820002731.3U CN207834561U (en) | 2018-01-02 | 2018-01-02 | A kind of broadbands 5G trap circular polarized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834561U true CN207834561U (en) | 2018-09-07 |
Family
ID=63391500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820002731.3U Expired - Fee Related CN207834561U (en) | 2018-01-02 | 2018-01-02 | A kind of broadbands 5G trap circular polarized antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639952A (en) * | 2022-05-17 | 2022-06-17 | 深圳华大北斗科技股份有限公司 | Omnidirectional circularly polarized antenna |
| CN115173051A (en) * | 2022-08-01 | 2022-10-11 | 曲阜师范大学 | Broadband high-gain circularly polarized antenna array |
-
2018
- 2018-01-02 CN CN201820002731.3U patent/CN207834561U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639952A (en) * | 2022-05-17 | 2022-06-17 | 深圳华大北斗科技股份有限公司 | Omnidirectional circularly polarized antenna |
| CN115173051A (en) * | 2022-08-01 | 2022-10-11 | 曲阜师范大学 | Broadband high-gain circularly polarized antenna array |
| CN115173051B (en) * | 2022-08-01 | 2023-08-15 | 曲阜师范大学 | Broadband high-gain circularly polarized antenna array |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 |