CN209217203U - A kind of millimeter wave dual-polarized patch antenna - Google Patents
A kind of millimeter wave dual-polarized patch antenna Download PDFInfo
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- CN209217203U CN209217203U CN201920031266.0U CN201920031266U CN209217203U CN 209217203 U CN209217203 U CN 209217203U CN 201920031266 U CN201920031266 U CN 201920031266U CN 209217203 U CN209217203 U CN 209217203U
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Abstract
The utility model discloses a kind of millimeter wave dual-polarized patch antennas, comprising: first layer structure, second layer structure, the third layer structure, four-layer structure stacked gradually.The utility model receives signal by the microstrip line of a pair of orthogonal, and it is transmitted on the second metal patch with the second through-hole through conducting wire, then orthogonal signalling are coupled on the first metal patch of four center symmetric settings for being provided with first through hole, two orthogonal modes are motivated, to reach dual-polarized working effect.Pass through the first through hole on the first metal patch, radiator external sort factor and the coefficient of coup between the second metal patch can be regulated and controled, it can control the coefficient of coup between the first metal patch by the second through-hole on the second metal patch, allow millimeter wave dual-polarized patch antenna to obtain suitable bandwidth and impedance matching under lower section height, realizes the broadband covering under antenna low section.
Description
Technical field
The utility model relates to technical field of micro communication, in particular to a kind of millimeter wave dual-polarized patch antenna.
Background technique
The layout of 5G communication and development have pushed the research and application of millimeter wave antenna.Dual polarization millimeter wave antenna can be same
When receive or the signal of the different polarization directions of transmitting two, therefore have better adaptability compared to single polarization millimeter wave antenna
And wider application.Meanwhile millimeter wave antenna develops to the form of encapsulating antenna, therefore with enough bandwidth of operation
Low section millimeter wave antenna advantageously reduces cost, improves yield rate, and is conducive to the lightening development trend of system.To sum up
It is described, the millimeter-wave systems millimeter wave antenna wideband dual polarized there is an urgent need to low section, and its major design challenge be bandwidth,
Section height, polarization performance consistency etc..
Patch-antenna structure is simple, section is low, is easy to constitute millimeter wave dual polarized antenna using two orthogonal modes and design,
However it cannot achieve millimeter there are conflicting between the bandwidth of operation and antenna section height of most of traditional paster antennas
Wave broadband low Section Design.The contradiction of antenna section height and bandwidth can be improved to a certain extent using laminated patch antenna,
Such as lamination square patch, lamination Jerusalem cross antenna, the power feed stacked square patch of cross strap etc., however above-mentioned antenna
Lack the control measures of the coefficient of coup and antenna external sort factor between patch, leads to that certain bandwidth of operation cannot be being obtained
Antenna section height is sufficiently reduced simultaneously or can not obtain good impedance matching；Some antennas exists in such antenna simultaneously
Backward radiation is unfavorable for the system integration of millimeter wave antenna, and consistency of some antennas in two polarization is poor to be unfavorable for system
Harmony.
Utility model content
In order to solve problems in the prior art, the utility model embodiment provides a kind of millimeter wave dual-polarized patch day
Line.The technical solution is as follows:
On the one hand, the utility model embodiment provides a kind of millimeter wave dual-polarized patch antenna, comprising: stacks gradually
First layer structure, second layer structure, third layer structure, four-layer structure,
Four the first metal patches are uniformly provided with around its center in first layer structure, are offered on each first metal patch
First through hole,
It is provided with the second metal patch in second layer structure, the second through-hole, the second metal are offered on the second metal patch
The center of patch is overlapped with the center of second layer structure,
Metal the earth is provided in third layer structure, the big ground of metal is equipped with the third through-hole passed through for conducting wire,
Four-layer structure is equipped with the microstrip line of a pair of orthogonal, and one end of every microstrip line is pasted by conducting wire and the second metal
Piece connection.
In the above-mentioned millimeter wave dual-polarized patch antenna of the utility model embodiment, the second metal patch and the first metal
Patch is arranged in parallel, and the center of the second metal patch is vertical with the second metal patch with the line of first layer structure centre.
In the above-mentioned millimeter wave dual-polarized patch antenna of the utility model embodiment, the center of each first through hole and its
The center of corresponding first metal patch is overlapped, and the center of the second through-hole is overlapped with the center of the second metal patch.
In the above-mentioned millimeter wave dual-polarized patch antenna of the utility model embodiment, first metal patch is pros
Shape metal patch.
In the above-mentioned millimeter wave dual-polarized patch antenna of the utility model embodiment, first metal patch is copper foil
Patch.
In the above-mentioned millimeter wave dual-polarized patch antenna of the utility model embodiment, the first through hole is square hole
Or it is round.
In the above-mentioned millimeter wave dual-polarized patch antenna of the utility model embodiment, second metal patch is pros
Shape metal patch.
In the above-mentioned millimeter wave dual-polarized patch antenna of the utility model embodiment, second metal patch is copper foil
Patch.
In the above-mentioned millimeter wave dual-polarized patch antenna of the utility model embodiment, second through-hole is square hole
Or it is round.
Technical solution provided by the embodiment of the utility model has the benefit that
Signal is received by the microstrip line of a pair of orthogonal, and is transmitted to the second metal patch with the second through-hole through conducting wire
On, then orthogonal signalling are coupled on the first metal patch of four center symmetric settings for being provided with first through hole, have motivated two
A orthogonal modes, to reach dual-polarized working effect.By the first through hole on the first metal patch, radiation can be regulated and controled
External component prime factor and the coefficient of coup between the second metal patch, can be with by the second through-hole on the second metal patch
The coefficient of coup between control and the first metal patch, allows millimeter wave dual-polarized patch antenna in lower section height
It is lower to obtain suitable bandwidth and impedance matching, it solves the contradiction of section height and bandwidth in millimeter wave dual-polarized patch antenna and asks
Topic realizes the broadband covering under antenna low section.In addition, a pair of orthogonal microstrip line is placed in metal the earth lower section, pass through
The third through-hole of the big ground of metal is connected feed with the second metal patch, realizes the dual polarization feed with isolation, and
The backward leakage of antenna is avoided, antenna backward radiation is smaller.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of construction profile for millimeter wave dual-polarized patch antenna that the utility model embodiment one provides；
Fig. 2 is a kind of top view for first layer structure that the utility model embodiment one provides；
Fig. 3 is a kind of top view for second layer structure that the utility model embodiment one provides；
Fig. 4 is a kind of top view for third layer structure that the utility model embodiment one provides；
Fig. 5 is a kind of top view for four-layer structure that the utility model embodiment one provides；
Fig. 6 is a kind of simulation result example for millimeter wave dual-polarized patch antenna that the utility model embodiment one provides
Figure；
Millimeter wave dual-polarized patch antenna exists when Fig. 7 is a kind of excitation port 1 of the offer of the utility model embodiment one
The antenna pattern of 26GHz；
Millimeter wave dual-polarized patch antenna exists when Fig. 8 is another excitation port 1 of the offer of the utility model embodiment one
The antenna pattern of 26GHz；
Millimeter wave dual-polarized patch antenna exists when Fig. 9 is a kind of excitation port 2 of the offer of the utility model embodiment one
The antenna pattern of 26GHz；
Millimeter wave dual-polarized patch antenna exists when Figure 10 is another excitation port 2 of the offer of the utility model embodiment one
The antenna pattern of 26GHz.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Embodiment one
The utility model embodiment provides a kind of millimeter wave dual-polarized patch antenna, referring to Fig. 1, the millimeter wave dual polarization
Paster antenna may include: the first layer structure 1, second layer structure 2, third layer structure 3, four-layer structure 4 stacked gradually.
Referring to fig. 2, four the first metal patches 5, each first metal patch are uniformly provided with around its center in first layer structure 1
First through hole 6 is offered on piece 5.
In the present embodiment, position in its center in first layer structure 1, is evenly arranged with four the first gold medals around its center
Belong to patch 5 (2*2 form as shown in figure 1), the center of each first metal patch 5 offers first through hole 6.Preferably,
First metal patch 5 can be square, and first through hole 6 can be the through-hole of various centrically symmetric shapes, such as: square is logical
Hole, circular through hole etc., the first metal patch 5 can be prepared using goldleaf.
Referring to Fig. 3, it is provided with the second metal patch 7 in second layer structure 2, it is logical that second is offered on the second metal patch 7
The center in hole 8, the second metal patch 7 is overlapped with the center of second layer structure 2.
In the present embodiment, the center position of second layer structure 2 is provided with the second metal patch 7, the second metal patch 7
Center position be provided with the second through-hole 8.Preferably, the second metal patch 7 can be square, and the second through-hole 8 can be
The through-hole of various centrically symmetric shapes, such as: square through-hole, circular through hole etc., the second metal patch 7 can use goldleaf system
It is standby.
Referring to fig. 4, metal the earth 9 is provided in third layer structure 3, metal the earth 9 is equipped with the third passed through for conducting wire
Through-hole 10.
Referring to Fig. 5, four-layer structure 4 is equipped with the microstrip line 11 of a pair of orthogonal, and one end of every microstrip line 11 is by leading
Line is connect with the second metal patch 7.
In the present embodiment, by the microstrip line 11 of a pair of orthogonal, through conducting wire, (conducting wire passes through on metal the earth 9 signal
Third through-hole 10) it is transmitted on the second metal patch 7 with the second through-hole 8, then orthogonal signalling are coupled to that be provided with first logical
On first metal patch 5 of four center symmetric settings in hole 6, two orthogonal modes are motivated, to reach dual-polarized work
Make effect.By the first through hole 6 on the first metal patch 5, can regulate and control radiator external sort factor and with the second metal
The coefficient of coup between patch 7 can control between the first metal patch 5 by the second through-hole 8 on the second metal patch 7
The coefficient of coup, allow millimeter wave dual-polarized patch antenna to obtain suitable bandwidth and impedance under lower section height
The broadband covering under antenna low section is realized in matching.
In addition, a pair of orthogonal microstrip line 11 is placed in 9 lower section of metal the earth, pass through the third through-hole on metal the earth 9
10 are connected feed with the second metal patch 7, realize the dual polarization feed with isolation, and avoid letting out backward for antenna
Dew, antenna backward radiation are smaller.
Optionally, referring to Fig. 1, the second metal patch 7 is arranged in parallel with the first metal patch 5, and the second metal patch 7
Center is vertical with the second metal patch 7 with the line at 1 center of first layer structure.
Further, the center of the first corresponding metal patch 5 of the center of first through hole 6 is overlapped, in the second through-hole 8
The heart is overlapped with the center of the second metal patch 7.
In the present embodiment, the underface (i.e. second of 5 structure of the first metal patch of 2*2 block is arranged in the second metal patch 7
Metal patch 7 is arranged in parallel with the first metal patch 5, and the line at the center of the second metal patch 7 and 1 center of first layer structure
It is vertical with the second metal patch 7), meanwhile, the center of the first corresponding metal patch 5 of the center of first through hole 6 is overlapped, the
The center of two through-holes 8 is overlapped with the center of the second metal patch 7, ensure that the integrally-built symmetry of antenna, so that millimeter wave
Dual-polarized patch antenna is high in the upper consistency of performance of two polarization.
Below with reference to Fig. 6-10, carry out the simulation scenarios of illustratively above-mentioned millimeter wave dual-polarized patch antenna:
Firstly, millimeter wave dual-polarized patch antenna emulation matching response, port isolation and rdaiation response as shown in fig. 6,
It can be seen that its 10-dB coupling bandwidth is 24.3-28.3GHz, i.e. relative bandwidth has reached 15%, it is seen that it can cover 5G millimeter wave
One frequency range.Working band inner port separation number is greater than 23dB, and gain ranging is 5.6-6.6dBi in frequency band.Secondly, Fig. 7-10
Emulation directional diagram of the antenna at 26GHz when being excitation port 1 and port 2, it is seen that the 3dB wave beam bandwidth of two ports of antenna exists
It is 87o on the face E and the face H, cross-polarization levels are all larger than 24dB.It is using dielectric constant in above-mentioned simulation process
3.38, the substrate that loss angle is 0.0027, antenna thickness 0.6mm, the i.e. section height in centre frequency 26GHz are 0.052
λ0。
The utility model embodiment receives signal by the microstrip line of a pair of orthogonal, and is transmitted to through conducting wire and leads to second
On second metal patch in hole, then orthogonal signalling are coupled to the first metal for being provided with four center symmetric settings of first through hole
On patch, two orthogonal modes are motivated, to reach dual-polarized working effect.It is logical by first on the first metal patch
Hole can regulate and control radiator external sort factor and the coefficient of coup between the second metal patch, pass through the second metal patch
On the second through-hole can control the coefficient of coup between the first metal patch so that millimeter wave dual-polarized patch antenna can be with
Suitable bandwidth and impedance matching are obtained under lower section height, and it is high to solve section in millimeter wave dual-polarized patch antenna
The contradictory problems of degree and bandwidth realize the broadband covering under antenna low section.In addition, a pair of orthogonal microstrip line is placed in gold
Belong to the earth lower section, be connected with the second metal patch feed by the third through-hole of the big ground of metal, realizes to have and be isolated
Dual polarization feed, and the backward leakage of antenna is avoided, antenna backward radiation is smaller.
Above-mentioned the utility model embodiment serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of millimeter wave dual-polarized patch antenna characterized by comprising the first layer structure (1) that stacks gradually, the second layer
Structure (2), third layer structure (3), four-layer structure (4),
Four the first metal patches (5) are uniformly provided with around its center in first layer structure (1), on each first metal patch (5)
First through hole (6) are offered,
It is provided in second layer structure (2) the second metal patch (7), the second through-hole (8) is offered on the second metal patch (7),
The center of second metal patch (7) is overlapped with the center of second layer structure (2),
Metal the earth (9) is provided in third layer structure (3), metal the earth (9) is equipped with the third through-hole passed through for conducting wire
(10),
Four-layer structure (4) is equipped with the microstrip line (11) of a pair of orthogonal, and one end of every microstrip line (11) passes through conducting wire and the
Two metal patches (7) connection.
2. millimeter wave dual-polarized patch antenna according to claim 1, which is characterized in that the second metal patch (7) and the
One metal patch (5) is arranged in parallel, and the line and second at the center of the second metal patch (7) and first layer structure (1) center
Metal patch (7) is vertical.
3. millimeter wave dual-polarized patch antenna according to claim 2, which is characterized in that in each first through hole (6)
The center of corresponding the first metal patch (5) of the heart is overlapped, in the center and the second metal patch (7) of the second through-hole (8)
The heart is overlapped.
4. millimeter wave dual-polarized patch antenna according to claim 1, which is characterized in that first metal patch (5)
It is square metal patch.
5. millimeter wave dual-polarized patch antenna according to claim 4, which is characterized in that first metal patch (5)
For copper foil patch.
6. millimeter wave dual-polarized patch antenna according to claim 4, which is characterized in that the first through hole (6) is positive
Square hole or circle.
7. millimeter wave dual-polarized patch antenna according to claim 1, which is characterized in that second metal patch (7)
It is square metal patch.
8. millimeter wave dual-polarized patch antenna according to claim 7, which is characterized in that second metal patch (7)
For copper foil patch.
9. millimeter wave dual-polarized patch antenna according to claim 7, which is characterized in that second through-hole (8) is positive
Square hole or circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031266.0U CN209217203U (en) | 2019-01-08 | 2019-01-08 | A kind of millimeter wave dual-polarized patch antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031266.0U CN209217203U (en) | 2019-01-08 | 2019-01-08 | A kind of millimeter wave dual-polarized patch antenna |
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| CN209217203U true CN209217203U (en) | 2019-08-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830802A (en) * | 2019-01-08 | 2019-05-31 | 南通至晟微电子技术有限公司 | A kind of millimeter wave dual-polarized patch antenna |
| CN110620293A (en) * | 2019-09-20 | 2019-12-27 | 上海无线电设备研究所 | Sparse array antenna based on six-arm spiral array structure |
| WO2021098673A1 (en) * | 2019-11-21 | 2021-05-27 | 维沃移动通信有限公司 | Antenna and electronic device |
-
2019
- 2019-01-08 CN CN201920031266.0U patent/CN209217203U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830802A (en) * | 2019-01-08 | 2019-05-31 | 南通至晟微电子技术有限公司 | A kind of millimeter wave dual-polarized patch antenna |
| CN109830802B (en) * | 2019-01-08 | 2024-05-24 | 南通至晟微电子技术有限公司 | Millimeter wave dual-polarized patch antenna |
| CN110620293A (en) * | 2019-09-20 | 2019-12-27 | 上海无线电设备研究所 | Sparse array antenna based on six-arm spiral array structure |
| CN110620293B (en) * | 2019-09-20 | 2021-06-11 | 上海无线电设备研究所 | Sparse array antenna based on six-arm spiral array structure |
| WO2021098673A1 (en) * | 2019-11-21 | 2021-05-27 | 维沃移动通信有限公司 | Antenna and electronic device |
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