CN208423163U - A kind of dual-band and dual-polarization paster antenna in biradial direction - Google Patents
A kind of dual-band and dual-polarization paster antenna in biradial direction Download PDFInfo
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- CN208423163U CN208423163U CN201820865545.2U CN201820865545U CN208423163U CN 208423163 U CN208423163 U CN 208423163U CN 201820865545 U CN201820865545 U CN 201820865545U CN 208423163 U CN208423163 U CN 208423163U
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Abstract
The utility model belongs to wireless communication technology field, is related to a kind of dual-band and dual-polarization paster antenna in biradial direction, including the earth plate, circular patch, square patch sequentially passed through from the bottom to top by probe；Described probe one end is connect with square patch, and the other end is connect with feed port；The probe square shaped patch direct feed, to circular patch couple feed；The square patch is equipped with U-type groove, and it is diagonally equipped with a pair of of corner cut；A metal Coupling disk is equipped between the circular patch and square patch；Several equally distributed metal columns are equipped between the circular patch and earth plate, described metal column one end is connect with circular patch, and the other end is connect with earth plate；The utility model respectively feeds the patch of two kinds of forms using two kinds of different feeding classifications, to generate tool, there are two types of the dual-band and dual-polarization radiation characteristics of different radiation directions, have the advantages that low section, broadband, is suitable for the wireless systems such as satellite communication, mobile communication and vehicle-carrying communication.
Description
Technical field
The utility model belongs to wireless communication technology field, is related to a kind of dual-band and dual-polarization patch day in biradial direction
Line.
Background technique
In recent years, there are two the communication equipments of working frequency range for tool increasingly with the fast development of wireless communication technique
It is more, for example, mobile communication, satellite communication just and vehicle-carrying communication have different working frequency range, single-band antenna traditional at this time is
It is not able to satisfy the requirement of current communication system.Two differences can be covered using the method that two single-band antennas work together simultaneously
Frequency range, but this method will cause the waste in material and space, lead to the increase of cost and complexity.Stacked patch antenna
It is that one kind can work in the antenna form of two different frequency ranges, compared to traditional single-band antenna, stacked patch antenna has
The advantages of miniaturization, low section, is highly suitable for the requirement of the multisystems such as satellite communication, mobile communication and vehicle-carrying communication.
In recent years, there are many dual-band antennas to occur, and these antenna can probably be divided into three classes:
(1) polarization mode is identical with radiation direction in two frequency ranges；
(2) polarization mode difference, radiation direction are identical in two frequency ranges；
(3) polarization mode is identical in two frequency ranges, radiation direction is different；
In satellite communication, the antenna with circular polarisation mode Directed radiation modes is widely used always；And vehicle-mounted
In communication, then the antenna of linear polarization and omni directional radiation pattern is required.
Therefore, a dual-band dual-polarized antenna with different radiation directions has very big demand.
Summary of the invention
The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of dual-band and dual-polarization in biradial direction
Paster antenna.
To achieve the goals above, the utility model uses following technical scheme:
A kind of dual-band and dual-polarization paster antenna in biradial direction, including earth plate, circular patch, square patch and spy
Needle；Described probe one end is connect with square patch, and the probe other end sequentially passes through circular patch and earth plate and feed end
Mouth connection；The square patch, circular patch, earth plate and probe coaxial arrangement；The probe square shaped patch carries out direct
Feed, the probe carry out couple feed to circular patch.
Further, the first air layer is formed between the square patch and circular patch；The circular patch and ground connection
The second air layer is formed between plate；The thickness of first air layer is greater than the thickness of the second air layer.
Further, metal Coupling disk is equipped between first air layer；The metal Coupling disk is sheathed on probe.
Further, the distance between metal Coupling disk upper surface and square patch lower surface are greater than metal Coupling disk
The distance between lower surface and circular patch upper surface.
Further, the metal Coupling disk can be round, rectangular, oval, regular polygon, in irregular polygon
One kind.
Further, several metal columns are equipped between second air layer；The metal column is around circular patch
Center is uniformly arranged, and the distance to circular patch center is all the same；Described metal column one end is connect with circular patch, another
End is connect with earth plate.
Further, U-type groove is equipped in the middle part of the square patch；The U-type groove is symmetrical about the middle line of square patch.
Further, the square patch is respectively equipped with a corner cut relative to the upper left corner of U-type groove and the lower right corner.
Further, the corner cut is isosceles right triangle, and pair of the symmetry axis of the corner cut and square patch
Linea angulata is overlapped.
The utility model has the beneficial effects that
1, the utility model use stacked patch form, can produce dual frequency characteristics, have miniaturization, low section it is excellent
Point；
2, the utility model is to the square patch of low frequency is worked in by the way of direct feed and corner cut setting, to realize
The directional radiation properties of circular polarisation realize linear polarization to the circular patch for working in high frequency by the way of the couple feed of center
Omnidirectional radiation characteristic, while meet satellite communication and vehicle-mounted mobile communication requirement；
3, U-type groove is arranged in the utility model on square patch, and metal column is arranged between circular patch and earth plate, point
The impedance bandwidth for not playing the role of extending two working bands, realizes the broadband character of antenna.
Detailed description of the invention
Attached drawing 1 is the configuration schematic diagram of the dual-band and dual-polarization paster antenna in biradial direction；
Attached drawing 2 is the structural schematic diagram of square patch；
Attached drawing 3 is the structural schematic diagram of circular patch；
Attached drawing 4 is the schematic cross-sectional view of the dual-band and dual-polarization paster antenna in biradial direction；
Attached drawing 5 is the schematic cross-sectional view of the dual-band and dual-polarization paster antenna in biradial direction；
Attached drawing 6 is the size marking schematic diagram under the dual-band and dual-polarization paster antenna overlooking state in biradial direction；
Attached drawing 7 is the partial enlargement structure size mark schematic diagram of part A in attached drawing 5；
Attached drawing 8 is the size marking schematic diagram of circular patch and connecting column；
Attached drawing 9 is that the return loss of the dual-band and dual-polarization paster antenna in biradial direction and axis compare curve graph in experiment；
Attached drawing 10 is the gain curve figure of the dual-band and dual-polarization paster antenna in biradial direction in experiment；
Attached drawing 11 is E surface radiation direction of the dual-band and dual-polarization paster antenna in biradial direction in experiment in 2.5GHz
Figure；
Attached drawing 12 is H surface radiation direction of the dual-band and dual-polarization paster antenna in biradial direction in experiment in 2.5GHz
Figure；
Attached drawing 13 is horizontal plane radiation pattern of the dual-band and dual-polarization paster antenna in biradial direction in 3.8GHz；
Attached drawing 14 is vertical plane radiation patterns of the dual-band and dual-polarization paster antenna in biradial direction in 3.8GHz.
Identified in figure: 1- square patch, 101-U type groove, the first corner cut of 102-, the second corner cut of 103-, 2- metal Coupling disk,
201- first through hole, 3- circular patch, the second through-hole of 301-, 4- metal column, 5- earth plate, 501- third through-hole, 6- probe, 7-
Connecting column, 8- feed port, the first air layer of 9-, the second air layer of 10-.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the utility model embodiment unless specifically defined or limited otherwise, term " installation ", " connects " connected "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
With reference to shown in attached drawing 1, attached drawing 3 and attached drawing 4, it is bipolar that a kind of double frequency with biradial direction is provided in embodiment
Change paster antenna, including earth plate 5, circular patch 3 and square patch 1 and probe 6；The earth plate 5 is circular metal ground connection
Plate；The earth plate 5, circular patch 3 and square patch 1 are sequentially connected setting, and the center of earth plate 5, circle from the bottom to top
The center of patch 3 and the central coaxial setting of square patch 1；3 center of circular patch is equipped with the second through-hole 301, described
5 center of earth plate is equipped with third through-hole 501；Described 6 one end of metal probe is connect with the lower surface center of square patch 1, another
The third through-hole 501 of the second through-hole 301 and earth plate 5 that sequentially pass through circular patch 3 is held to connect with feed port 8；The spy
Needle 6 and earth plate 5, circular patch 3 and square patch 1 are coaxially disposed.The probe 6 is connect with the conductor inside feed port 8
Column 7 connects, and the upper surface of the feed port 8 and the lower surface of earth plate 5 connect；In use, by power supply to feed end
Mouth 8 is fed, and the feed to entire paster antenna is achieved in.
With reference to shown in attached drawing 1,4 and 5, in embodiment, the first air is formed between the square patch 1 and circular patch 3
Layer 9, forms the second air layer 10 between the circular patch 3 and earth plate 5, the thickness of first air layer 9 is greater than second
The thickness of air layer 10.Metal Coupling disk 2 is equipped between first air layer 9, the metal Coupling disk 2 is equipped with for probe 6
The first through hole 201 passed through, i.e. metal Coupling disk 2 are sheathed on the outside of probe 6, and be located at square patch 1 and circular patch 3 it
Between；The diameter of the first through hole 201 is identical as the diameter of probe 6, and thus probe 6 is fixedly connected with metal Coupling disk 2；It is described
The center of metal Coupling disk 2 is located on the central axis of probe 6；2 upper surface of metal Coupling disk and 1 lower surface of square patch it
Between distance be greater than the distance between 2 lower surface of metal Coupling disk and circular patch 3.
In embodiment, the probe 6 is directly contacted with square patch 1, carries out direct feed.The diameter of the probe 6 is small
In the diameter of the second through-hole 301, i.e. probe 6 is not contacted with circular patch 3, and is carried out by metal Coupling disk 2 to circular patch 3
Couple feed.The square patch 1 works in low frequency, and the qualitative radiation for generating circular polarisation by direct feed and corner cut setting is special
Property；The circular patch 3 works in high frequency, generates the polarized omnidirectional radiation characteristic of vertical line by couple feed.
With reference to shown in attached drawing 2, the square patch 1 works in low frequency, is equipped with a U positioned at the middle part of the square patch 1
Type groove 101, the U-type groove 101 are symmetrical about the middle line of square patch 1；The U-type groove 101 is through slot, that is, runs through square patch
1 upper and lower surfaces；It is reference with U-type groove 101, the upper left corner of the square patch 1 is equipped with the first corner cut 102, in side
The lower right corner of shape patch 1 is equipped with the second corner cut 103；First corner cut 102 and the second corner cut 103 are isosceles right angle trigonometry
Shape, and the first corner cut 102 is identical with 103 size of the second corner cut；The symmetry axis of first corner cut 102 and the second corner cut 103
Symmetry axis is overlapped with the diagonal line of square patch 1.It is big by the size that the first corner cut 102 and the second corner cut 103 is rationally arranged
It is small, two orthogonal modes TM can have been motivated01And TM10, to generate the directional radiation properties of circular polarisation；In addition, rationally setting
The length of U-type groove 101 on square patch 1, can increase the current path on square patch 1, play the effect of extending bandwidth,
Make square patch 1 that there is wider impedance bandwidth in low frequency operating frequency.
With reference to shown in attached drawing 3 and 4, in embodiment, circular patch 3 works in high frequency, metal Coupling disk 2 and circular patch 3
Coaxial arrangement, probe 6 are in contact with metal Coupling disk 2, carry out couple feed to circular patch 3 by metal Coupling disk 2, thus
TM is motivated02Mode generates the directional diagram with the polarized omnidirectional radiation characteristic of vertical line.In embodiment, the circular patch 3
Several metal columns 4 are additionally provided between earth plate 5, the metal column 4 is uniformly distributed around probe 6, i.e., the described metal column 4 is
On the circumference that a center of circle is located at 6 central axis of probe, the centre distance of the metal column 4 to circular patch 3 is all the same；Institute
The one end for stating metal column 4 is connect with the lower surface of circular patch 3, and the other end is connect with the upper surface of earth plate 5, that is, passes through gold
Belong to column 4 to connect circular patch 3 and earth plate 5, TM can have been motivated01Mode arrives circular patch by adjusting metal column 4
The distance at 3 center and the number of metal column 4, can produce the resonance frequency being close with the working frequency of circular patch 3,
The effect for playing extension frequency makes antenna have wider bandwidth in high-frequency range.In the implementation case, the metal column
4 number is 12, can according to need and is adjusted in other cases.
From the foregoing, it will be observed that the utility model proposes biradial direction dual-band and dual-polarization paster antenna, pasted by square shaped
Piece 1 and circular patch 3 use different feeding classifications, thus generate the radiation side with the different polarization modes of different radiation directions
Xiang Tu.Square patch 1 uses direct feed, works in low frequency, is used for satellite communication；The circular patch 3 uses couple feed,
High frequency is worked in, is communicated for vehicle-mounted mobile.The square patch 1 is equipped with corresponding corner cut, it is made to generate determining for circular polarisation
To radiation characteristic；The couple feed point of the circular patch 3 is located at the center of circular patch 3, it is made to generate linear polarization
Omnidirectional radiation characteristic.Square patch 1 is equipped with the U-type groove 101 for extending bandwidth simultaneously, to expand the impedance of low frequency operation frequency band
Bandwidth；Several metal columns 4 are equipped between the circular patch 3 and earth plate 5, with the impedance band of extended high frequency working band
It is wide.
The patch nature characteristic is described further below in conjunction with experiment:
It take impedance bandwidth as the patch of 2.32~2.53GHz, 3.47~4.09GHz in experiment with reference to shown in attached drawing 6 to 8
For antenna, it is as follows to optimize optimal size: first air layer 9 with a thickness of 6mm, the second air layer 10 with a thickness of
The dielectric constant of 2.4mm, the first air layer 9 and the second air layer 10 is 1；The thickness of the square patch 1 and circular patch 3 is equal
For 1mm, earth plate 5 with a thickness of 2mm.Other sizes mark is as follows: length and width L1=L2=45.8mm of square patch 1；U
M=1.6mm, Tx=17.6mm, Ty=22.4mm in type groove 101, distance T of the U-type groove 101 apart from 1 bottom edge of square patch=
15.7mm；1=D2 of corner cut dimension D=10.5mm, the radius R1=46mm, radius R5=2mm of the second through-hole 301 of circular patch 3；
The number of metal column 4 is 12, radius R3=0.8mm；Distance I=32.5mm of 4 center of metal column to 3 center of circular patch；
Radius R2=85mm of the earth plate 5；Radius R4=5mm, the thickness H3=1mm of the metal Coupling disk 2, the metal Coupling
Distance of the upper surface of disk 2 apart from 1 lower surface of square patch is H1=3mm, and 2 lower surface of metal Coupling disk is apart from earth plate 5
Distance H2=2mm of upper surface.
With reference to shown in attached drawing 9, be the dual-band and dual-polarization paster antenna in the utility model biradial direction return loss and
For axis than curve graph, can be seen that the antenna from the result in figure has 8.7%(2.32~2.53GHz) and 16.4%(3.47~
Impedance bandwidth 4.09GHz), with 2.4%(2.46~2.52GHz) axial ratio bandwidth, satellite communication and vehicle-mounted can be met simultaneously
The system requirements of mobile communication.
It is the gain curve of the dual-band and dual-polarization paster antenna in the utility model biradial direction with reference to shown in attached drawing 10
Figure.Can be seen that the antenna in the gain of the frequency range of 2.46~2.52GHz from the result in figure is 10.22 ± 0.02dBi.
It is that the dual-band and dual-polarization paster antenna in the utility model biradial direction exists respectively with reference to shown in attached drawing 11 and 12
E surface radiation directional diagram and H surface radiation directional diagram when 2.5GHz can be seen that the antenna with good from the result in figure
Left-hand circular polarization directional radiation properties meet the system requirements of the satellite communication of S frequency range (2-4GHz).
It is that the dual-band and dual-polarization paster antenna in the utility model biradial direction exists respectively with reference to shown in attached Figure 13 and 14
Horizontal plane radiation pattern and vertical plane radiation patterns when 3.8GHz, can be seen that the antenna from the result in figure has
Good vertically polarized omnidirectional radiation characteristic, cross polarization are lower than -10dB, can be used for vehicle-mounted mobile communication.
By test above it is found that the utility model in use different frequency can produce different polarization mode and
Radiation direction, to meet the needs of satellite communication and vehicle-mounted mobile communicate.
Embodiment described above, only more preferably one of concrete mode of the utility model, those skilled in the art
The usual variations and alternatives carried out within the scope of technical solutions of the utility model should all be included in the protection scope of the utility model
It is interior.
Claims (9)
1. a kind of dual-band and dual-polarization paster antenna in biradial direction, it is characterised in that: including earth plate (5), circular patch
(3), square patch (1) and probe (6)；Described probe (6) one end is connect with square patch (1), probe (6) other end according to
It is secondary to be connect across circular patch (3) and earth plate (5) with feed port (8)；The square patch (1), connects circular patch (3)
Floor (5) and probe (6) coaxial arrangement；Probe (6) the square shaped patch (1) carries out direct feed, and the probe (6) is to circle
Shape patch (3) carries out couple feed.
2. the dual-band and dual-polarization paster antenna in biradial direction according to claim 1, it is characterised in that: the rectangular patch
The first air layer (9) are formed between piece (1) and circular patch (3)；Is formed between the circular patch (3) and earth plate (5)
Two air layers (10)；The thickness of first air layer (9) is greater than the thickness of the second air layer (10).
3. the dual-band and dual-polarization paster antenna in biradial direction according to claim 2, it is characterised in that: described first is empty
Metal Coupling disk (2) are equipped between gas-bearing formation (9)；The metal Coupling disk (2) is sheathed on probe (6).
4. the dual-band and dual-polarization paster antenna in biradial direction according to claim 3, it is characterised in that: the metal coupling
It closes the distance between disk (2) upper surface and square patch (1) lower surface and is greater than metal Coupling disk (2) lower surface and circular patch
(3) the distance between upper surface.
5. the dual-band and dual-polarization paster antenna in biradial direction according to claim 3, it is characterised in that: the metal coupling
Closing disk (2) can be one of round, rectangular, oval, regular polygon, irregular polygon.
6. the dual-band and dual-polarization paster antenna in biradial direction according to claim 2, it is characterised in that: described second is empty
Several metal columns (4) are equipped between gas-bearing formation (10)；The metal column (4) is uniformly arranged around the center of circular patch (3), and
Distance to circular patch (3) center is all the same；Described metal column (4) one end is connect with circular patch (3), the other end with connect
Floor (5) connection.
7. the dual-band and dual-polarization paster antenna in biradial direction according to claim 1, it is characterised in that: the rectangular patch
U-type groove (101) are equipped in the middle part of piece (1)；The U-type groove (101) is symmetrical about the middle line of square patch (1).
8. the dual-band and dual-polarization paster antenna in biradial direction according to claim 7, it is characterised in that: the rectangular patch
Piece (1) is respectively equipped with a corner cut relative to the upper left corner of U-type groove (101) and the lower right corner.
9. the dual-band and dual-polarization paster antenna in biradial direction according to claim 8, it is characterised in that: the corner cut is equal
For isosceles right triangle, and the symmetry axis of the corner cut is overlapped with the diagonal line of square patch (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820865545.2U CN208423163U (en) | 2018-06-06 | 2018-06-06 | A kind of dual-band and dual-polarization paster antenna in biradial direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820865545.2U CN208423163U (en) | 2018-06-06 | 2018-06-06 | A kind of dual-band and dual-polarization paster antenna in biradial direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208423163U true CN208423163U (en) | 2019-01-22 |
Family
ID=65111210
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820865545.2U Expired - Fee Related CN208423163U (en) | 2018-06-06 | 2018-06-06 | A kind of dual-band and dual-polarization paster antenna in biradial direction |
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| Country | Link |
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| CN (1) | CN208423163U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808232A (en) * | 2018-06-06 | 2018-11-13 | 深圳市深大唯同科技有限公司 | A kind of dual-band and dual-polarization paster antenna in biradial direction |
| CN109818135A (en) * | 2019-01-24 | 2019-05-28 | 深圳大学 | A kind of Dual-frequency Patch Antennas with omnidirectional radiation |
| CN110233360A (en) * | 2019-04-23 | 2019-09-13 | 中天宽带技术有限公司 | A kind of dual-band antenna and electronic equipment |
| CN110534905A (en) * | 2019-08-30 | 2019-12-03 | 锐捷网络股份有限公司 | Communicate multi-mode antenna architectures and antenna assembly |
-
2018
- 2018-06-06 CN CN201820865545.2U patent/CN208423163U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808232A (en) * | 2018-06-06 | 2018-11-13 | 深圳市深大唯同科技有限公司 | A kind of dual-band and dual-polarization paster antenna in biradial direction |
| CN108808232B (en) * | 2018-06-06 | 2023-09-29 | 中天宽带技术有限公司 | Dual-frequency dual-polarized patch antenna with dual radiation directions |
| CN109818135A (en) * | 2019-01-24 | 2019-05-28 | 深圳大学 | A kind of Dual-frequency Patch Antennas with omnidirectional radiation |
| CN110233360A (en) * | 2019-04-23 | 2019-09-13 | 中天宽带技术有限公司 | A kind of dual-band antenna and electronic equipment |
| CN110534905A (en) * | 2019-08-30 | 2019-12-03 | 锐捷网络股份有限公司 | Communicate multi-mode antenna architectures and antenna assembly |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210915 Address after: 226400 Zhongtian Industrial Park, Hekou Town, Rudong County, Nantong City, Jiangsu Province Patentee after: ZHONGTIAN BROADBAND TECHNOLOGY Co.,Ltd. Patentee after: Zhongtian Communication Technology Co.,Ltd. Patentee after: SHENZHEN WAVETONE TECHNOLOGY Co.,Ltd. Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee before: SHENZHEN WAVETONE TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20190122 |