CN209001122U - The double array antennas of 5G millimeter wave two-band - Google Patents
The double array antennas of 5G millimeter wave two-band Download PDFInfo
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- CN209001122U CN209001122U CN201821777133.XU CN201821777133U CN209001122U CN 209001122 U CN209001122 U CN 209001122U CN 201821777133 U CN201821777133 U CN 201821777133U CN 209001122 U CN209001122 U CN 209001122U
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Abstract
The utility model discloses a kind of double array antennas of 5G millimeter wave two-band, including low, the high frequency antenna unit being sequentially arranged at intervals, both low, high frequency antenna units respectively include the different antenna model unit of size, antenna model unit includes five-layer structure, wherein, first layer structure is the metal patch for loading slot, second layer structure and third layer structure constitute the folding open circuit resonator for loading short-circuit minor matters, two reflection zeros are generated using the metal patch of resonator and load slot, so that the beamwidth of antenna increases；Utilize resonator idol mould, resonator is coupled with patch generates controllable low, high-end radiation zero respectively, improve the near field between double array antennas and far field isolation, forming two work, there are two reflection zero and the arrays of two radiation zeros in the tool of different frequency, and two arrays have overall dimension small, mutually isolated；And the coupling between patch and resonator is controlled by the size of change slot to achieve the purpose that antenna low Section Design.
Description
Technical field
The utility model relates to field of microwave communication more particularly to a kind of double array antennas of 5G millimeter wave two-band.
Background technique
5th third-generation mobile communication technology (5G) propose Millimeter Wave Applications demand (Chinese frequency range be 24.75-27.5GHz and
37-42.5GHz), it is intended to which high speed data transfers are realized by broader frequency spectrum.Can have to cover the two millimeter wave frequency bands
Single antenna double frequency band aerial, double antenna double frequency band aerial and broad-band antenna, however it is 53% that broad-band antenna scheme, which needs bandwidth,
Design difficulty is big, structure is complicated, and double antenna two-band scheme can be directed to two frequency ranges relative to single antenna dual band schemes
It optimizes respectively, design difficulty reduces, structure is relatively easy.Therefore the double millimeter wave antennas of two-band are 5G millimetre-wave attenuators
One important technology.Meanwhile the transmission loss of electromagnetic wave is big under the conditions of millimeter wave frequency band, same paths, it is therefore desirable to array
Antenna obtains enough gains.As it can be seen that it is mobile to 5G how to obtain high-performance, the double array antennas of the millimeter wave two-band of small size
The communication technology is of great significance.
There are many implementations for the double array antennas of two-band at present, operate mainly in from frequency compared with low-frequency range, and
The design for working in 5G millimeter wave frequency band is less, i.e., its antenna structure form is not suitable for millimeter wave frequency band.Classify from arrangement mode
There are double and single two kinds of forms, double array sizes are larger, and single array sizes are relatively small.Current single two-band is double
Array antenna operates mainly in low-frequency range, and frequency spacing is larger, therefore lower in the design difficulty that near field and far field are isolated.And
It is smaller in the frequency spacing of 5G millimeter wave frequency band, two frequency ranges, it is therefore desirable to new technological means realizes near field and far field isolation,
And make it suitable for working in millimeter wave frequency band, there is enough bandwidth and lower section etc..
Utility model content
The technical problem to be solved by the present invention is to main for the double array antennas of above-mentioned two-band of the prior art
It works in compared with low-frequency range, antenna structure form is not suitable for millimeter wave frequency band, and size is larger；Most of designs are not over spoke
The technology for penetrating zero point improves array isolation, and the double array antennas of two-band for having radiation zero regulation are double Array Design,
Size is bigger than normal, and designs complexity, i.e., in radiation zero and coupling regulation, integral working is changed greatly, and needs complexity
Complex optimum defect, provide a kind of 5G millimeter wave two-band double array antennas.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of double battle arrays of 5G millimeter wave two-band
Array antenna, including the low-frequency antenna unit being sequentially arranged at intervals and high frequency antenna unit, the low-frequency antenna unit and high frequency day
Both line units respectively include the different antenna model unit of size, to make the two work in different working frequencies, wherein
The antenna model unit includes:
The first layer structure of first layer medium substrate upper surface, the metal patch including offering coupling slot are set；
Second layer structure between second layer medium substrate upper surface and first layer medium substrate lower surface is set, including
Main metal band and minor matters metal band；
Third layer structure between third layer medium substrate upper surface and second layer medium substrate lower surface is set, including
Two connect respectively with the both ends of the main metal band via two the first connecting holes for passing through the second layer medium substrate
A folded metal band, the second layer structure and third layer structure constitute the folding open circuit resonator for loading short-circuit minor matters；
Four-layer structure between 4th layer of medium substrate upper surface and third layer medium substrate lower surface is set, including
The metal the earth of through-hole is offered, minor matters metal band end is connect via the second connecting hole with metal the earth, and second connects
It connects hole and sequentially passes through the second layer medium substrate and third medium substrate；
The layer 5 structure of 4th layer of medium substrate lower surface, including feed structure be set, the feed structure via
Third connecting hole is connect with main metal band, third connecting hole sequentially pass through the second layer medium substrate, third medium substrate,
Through-hole and the 4th medium substrate.
In the utility model embodiment, the coupling slot, metal patch, main metal band, in metal the earth
Heart projection is overlapped, and an opposite side of the metal patch is located at coupling slot two sides and symmetrical about the coupling slot, described
Coupling slot is vertical with main metal band.
In the utility model embodiment, the center of the two sides of the main metal band is respectively along perpendicular to the master
Metal band direction is extended outward to form about described symmetrical two minor matters metal bands of main metal band；Described in two
The projection of folded metal band is overlapped with the projection of the main metal band both ends part.
In the utility model embodiment, the feed structure is microstrip line, and the projection of the microstrip line is coupled with described
The projection of slot is parallel and the certain distance that is staggered, and the front end of the microstrip line is via the third connecting hole and main gold being vertically arranged
Belong to a band connection, the rear end of the microstrip line is located at a side of the 4th layer of medium substrate lower surface.
The double array antennas of the 5G millimeter wave two-band of the utility model, have the advantages that and realize 5G millimeter wave list
When arranging two-band pair array antenna, each antenna element in high and low frequency array is being folded open using the short-circuit minor matters of load
The metal patch structure of road resonator and load slot utilizes the folding open circuit resonator for loading short-circuit minor matters and the metal for loading slot
Patch generates two reflection zeros, so that the beamwidth of antenna increases, it, can by adjusting the size of coupling spacing and slot between the two
To adjust the beamwidth of antenna, design freedom is increased；Using resonator idol mould, resonator is coupled with patch to be generated controllably respectively
Low, high-end radiation zero improves the near field between double array antennas and far field isolation, forms two work in the tool of different frequency
There are two reflection zero and the arrays of two radiation zeros, and two arrays have overall dimension small, mutually isolated；And pass through
Change the size of slot to control the coupling between patch and resonator to achieve the purpose that antenna low Section Design.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer:
Fig. 1 is the schematic diagram of the double array antennas of 5G millimeter wave two-band provided by the embodiment of the utility model；
Fig. 2 is the cross-sectional view of the double array antennas of 5G millimeter wave two-band provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of first layer structure；
Fig. 4 is the structural schematic diagram of second layer structure；
Fig. 5 is the structural schematic diagram of third layer structure；
Fig. 6 is the structural schematic diagram of four-layer structure；
Fig. 7 is the structural schematic diagram of layer 5 structure；
Fig. 8 is the emulation matching figure of antenna；
Fig. 9 is the knot gain curve figure of antenna；
Figure 10 is the emulation directional diagram of antenna.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The exemplary embodiments of the utility model are given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.It should be understood that the specific features in the utility model embodiment and embodiment are to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the absence of conflict, the utility model are real
The technical characteristic applied in example and embodiment can be combined with each other.
It should be noted that term as used herein "vertical", "horizontal", "left" and "right" and similar table
It states for illustrative purposes only.Unless otherwise defined, all technical and scientific terms used herein and belong to this reality
It is identical with the novel normally understood meaning of those skilled in the art.Made in the specification of the utility model herein
Term, which is only for the purpose of describing specific embodiments, to be not intended to limit the utility model.
With reference to Fig. 1, the utility model embodiment provides a kind of double array antennas of 5G millimeter wave two-band, including is successively spaced
The low-frequency antenna unit 101 and high frequency antenna unit 102 of arrangement, the low-frequency antenna unit 101 and 102 liang of high frequency antenna unit
Person respectively includes the different antenna model unit of size, to make the two work in different working frequencies.
With reference to Fig. 2, the antenna model unit include: the first layer structure 2 that first layer medium substrate upper surface is set,
Second layer structure 3 between second layer medium substrate upper surface and first layer medium substrate lower surface is set, is arranged in third
Third layer structure 4, setting between layer medium substrate upper surface and second layer medium substrate lower surface is in the 4th layer of medium substrate
Four-layer structure 5 between upper surface and third layer medium substrate lower surface is arranged in the of the 4th layer of medium substrate lower surface
Five-layer structure 6.
With reference to Fig. 3, in conjunction with Fig. 2, first layer structure 2, the metal patch 8 including offering coupling slot 7, metal patch 8
Flat shape is in rectangle, and coupling slot 7 is specifically provided with 8 center of metal patch, i.e., the center of described coupling slot 7 and metal patch 8
Projection is overlapped, and the pair of right and left side of the metal patch 8 is located at 7 two sides of coupling slot and right about the coupling slot 7
Claim.Since the metal patch 8 of top layer opens coupling slot 7 at center, the symmetry of the face E directional diagram ensure that, and by changing coupling
The size of slot 7 is closed to control the coupling between patch 8 and resonator 14 to achieve the purpose that antenna low Section Design；
With reference to Fig. 4, in conjunction with Fig. 2, second layer structure 3, including main metal band 9 and minor matters metal band 10, the main gold
The central projection for belonging to band 9 and coupling slot 7 is overlapped, and the coupling slot 7 is vertical with main metal band 9, and the two of main metal band 9
The center of side is right about the main metal band 9 along extending outward to form perpendicular to main 9 direction of metal band respectively
The two minor matters metal bands 10 claimed, two short-circuit minor matters asymmetrical loads ensure that the symmetry of the face H directional diagram.
With reference to Fig. 5, in conjunction with Fig. 2, third layer structure 4, including respectively with the both ends of the main metal band 9 via across institute
Two folded metal bands 13 of two the first connecting holes 11 connection of second layer medium substrate are stated, 3 He of second layer structure
Third layer structure 4 constitutes the folding open circuit resonator 14 for loading short-circuit minor matters specifically, two folded metal bands 13
Projection is overlapped with the projection of the main 9 both ends part of metal band, is similar to and is placed one in second layer medium substrate upper surface
Metal band folds metal band both ends, and it is golden as folding that folded portion vertically drops into third layer medium substrate upper surface
Belong to band 13, other parts stay in second layer medium substrate upper surface as the main metal band 9, due to by metal band two
End folds, and guarantees the stability of main radiation direction while controlling high-end radiation zero position.
With reference to Fig. 6, in conjunction with Fig. 2, four-layer structure 5, the metal the earth 16 including offering through-hole 15, metal the earth 16 with
The central projection of metal patch 8 is overlapped, and the setting direction of the two is consistent, i.e. four sides of the two are to correspond in parallel
's.10 end of minor matters metal band is connect via the second connecting hole 12 with metal the earth 16, and the second connecting hole 12 is successively worn
The second layer medium substrate and third medium substrate are crossed, through-hole 15 is specially circular through hole.
With reference to Fig. 7, in conjunction with Fig. 2, layer 5 structure 6, including feed structure 17, the feed structure 17 are preferably micro-strip
The front end of line, the microstrip line is connect via the third connecting hole 18 being vertically arranged with main metal band 9, third connecting hole
18 sequentially pass through the second layer medium substrate, third medium substrate, through-hole 15 and the 4th medium substrate, after the microstrip line
End is located at the front side edge of the 4th layer of medium substrate lower surface, and the projection of the microstrip line and the projection of the coupling slot 7 are flat
Row and the certain distance that is staggered.By controlling the position of third connecting hole 18, i.e., between control microstrip line and the projection of coupling slot 7
Distance can regulate and control the matching of antenna.
Wherein, the first connecting hole 11, the second connecting hole 12, third connecting hole 18 are actually by the appearance of metal copper post
Face is formed.
The working principle of the utility model embodiment is: being transferred signals to by feed structure 17 and third connecting hole 18
The folding open circuit resonator 14 of short-circuit minor matters is loaded, then signal is coupled to the metal patch 8 for being loaded with coupling slot 7, generates spoke
It penetrates.Two are generated with the metal patch 8 for being loaded with coupling slot 7 using the odd mould for the folding open circuit resonator 14 for loading short-circuit minor matters
Reflection zero, so that the beamwidth of antenna increases, by adjusting coupling spacing between the two (by the height for adjusting first medium substrate
Degree is realized) and coupling slot 7 size, the adjustable beamwidth of antenna increases design freedom；And load the folding of short-circuit minor matters
The even mould of open-circuit resonant device 14 generates low side radiation zero, by the length for adjusting minor matters metal band 10 and folded metal band 13
Spend the position of adjustable low side radiation zero；Meanwhile it loading the folding open circuit resonator 14 of short-circuit minor matters and being loaded with coupling
Coupling between the metal patch 8 of slot 7 generates high-end radiation zero, by adjusting coupling length, that is, main metal band 9 length,
Can change the position of high-end radiation zero, the utility model embodiment when designing the double array antennas of 5G millimeter wave two-band,
Respectively in different Frequency Design antenna elements, then high frequency antenna unit 102 is inserted between low-frequency antenna unit 101, is led to
The position for overregulating radiation zero makes low frequency array antenna generate radiation zero, high frequency at HF array operating frequency of antenna
Array antenna generates radiation zero at low frequency array operating frequency of antenna, increase near field between double array antennas and far field every
From.
The matching response of the emulation of the antenna of the utility model embodiment and rdaiation response are as shown in Figure 8,9, it is seen that its work
24.75-27.5GHz and 37-42.5GHz can be covered by making frequency band, be 10.6dBi in the average gain of low-frequency range, in front end
Average gain is 12.1dBi, and low frequency array antenna generates radiation zero, HF array antenna at HF array antenna frequency band
Radiation zero is also generated at low frequency array antenna frequency band, antenna entirety section height is 0.65mm, i.e., is in 26GHz
0.056λ0.It is antenna radiation pattern at 40GHz that left figure, which is antenna radiation pattern at 26GHz, right figure, in Figure 10.The implementation
The substrate that uses of example is all dielectric constant for 3.38, loss angle for 0.0027 RO4003C substrate.
To sum up, the double array antennas of the 5G millimeter wave two-band of the utility model, have the advantages that 5G millimeters of realization
When wave single two-band pair array antenna, each antenna element in high and low frequency array is using the folding for loading short-circuit minor matters
Folded open-circuit resonant device and the metal patch structure for loading slot, are utilized respectively the odd mould and TM of the two01Mould realizes working frequency range, utilizes
The folding open circuit resonator for loading short-circuit minor matters and the metal patch for loading slot generate two reflection zeros, so that the beamwidth of antenna increases
Add, by adjusting the size of coupling spacing and slot between the two, the adjustable beamwidth of antenna increases design freedom；Benefit
With resonator idol mould, resonator couples with patch and generates controllable low, high-end radiation zero respectively, improves between double array antennas
Near field and far field isolation, forming two work, there are two the battle arrays of reflection zero and two radiation zeros in the tool of different frequency
Column, and two arrays have overall dimension small, mutually isolated；And the size by changing slot control patch and resonator it
Between coupling to achieving the purpose that antenna low Section Design.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (4)
1. a kind of double array antennas of 5G millimeter wave two-band, which is characterized in that including the low-frequency antenna unit being sequentially arranged at intervals
(101) it is respectively included with high frequency antenna unit (102), both the low-frequency antenna unit (101) and high frequency antenna unit (102)
The different antenna model unit of size, to make the two work in different working frequencies, wherein the antenna model unit packet
It includes:
The first layer structure (2) of first layer medium substrate upper surface, the metal patch including offering coupling slot (7) are set
(8)；
Second layer structure (3) between second layer medium substrate upper surface and first layer medium substrate lower surface is set, including
Main metal band (9) and minor matters metal band (10)；
Third layer structure (4) between third layer medium substrate upper surface and second layer medium substrate lower surface is set, including
Connect respectively with the both ends of the main metal band (9) via two the first connecting holes (11) for passing through the second layer medium substrate
The two folded metal bands (13) connect, the second layer structure (3) and third layer structure (4) constitute the folding for loading short-circuit minor matters
Folded open-circuit resonant device (14)；
Four-layer structure (5) between 4th layer of medium substrate upper surface and third layer medium substrate lower surface is set, including
The metal the earth (16) of through-hole (15) is offered, minor matters metal band (10) end is via the second connecting hole (12) and metal
Greatly (16) connect, and second connecting hole (12) sequentially passes through the second layer medium substrate and third medium substrate；
The layer 5 structure (6) of the 4th layer of medium substrate lower surface, including feed structure (17), the feed structure are set
(17) it is connect via third connecting hole (18) with main metal band (9), the third connecting hole (18) sequentially passes through described second
Layer medium substrate, third medium substrate, through-hole (15) and the 4th medium substrate.
2. the double array antennas of 5G millimeter wave two-band according to claim 1, which is characterized in that the coupling slot (7), gold
The central projection for belonging to patch (8), main metal band (9), metal the earth (16) four is overlapped, a pair of the metal patch (8)
Side be located at the coupling slot (7) two sides and about the coupling slot (7) symmetrically, the coupling slot (7) and main metal band (9)
Vertically.
3. the double array antennas of 5G millimeter wave two-band according to claim 2, which is characterized in that the main metal band
(9) edge is extended outward to form perpendicular to main metal band (9) direction about the main gold respectively for the center of two sides
Belong to band (9) symmetrical two described minor matters metal bands (10)；The projection of two folded metal bands (13) with it is described
The projection of main metal band (9) both ends part is overlapped.
4. the double array antennas of 5G millimeter wave two-band according to claim 1, which is characterized in that the feed structure (17)
For microstrip line, the projection of the microstrip line is parallel with the projection of the coupling slot (7) and the certain distance that is staggered, the microstrip line
Front end is connect via the third connecting hole (18) being vertically arranged with main metal band (9), and the rear end of the microstrip line is located at
One side of the 4th layer of medium substrate lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777133.XU CN209001122U (en) | 2018-10-31 | 2018-10-31 | The double array antennas of 5G millimeter wave two-band |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777133.XU CN209001122U (en) | 2018-10-31 | 2018-10-31 | The double array antennas of 5G millimeter wave two-band |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301460A (en) * | 2018-10-31 | 2019-02-01 | 南通至晟微电子技术有限公司 | The double array antennas of 5G millimeter wave two-band |
| CN112751168A (en) * | 2019-10-31 | 2021-05-04 | Oppo广东移动通信有限公司 | Antenna module and electronic equipment |
| CN114665273A (en) * | 2022-03-10 | 2022-06-24 | 中国电子科技南湖研究院 | Dual-band millimeter wave planar antenna |
-
2018
- 2018-10-31 CN CN201821777133.XU patent/CN209001122U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301460A (en) * | 2018-10-31 | 2019-02-01 | 南通至晟微电子技术有限公司 | The double array antennas of 5G millimeter wave two-band |
| CN112751168A (en) * | 2019-10-31 | 2021-05-04 | Oppo广东移动通信有限公司 | Antenna module and electronic equipment |
| CN114665273A (en) * | 2022-03-10 | 2022-06-24 | 中国电子科技南湖研究院 | Dual-band millimeter wave planar antenna |
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