CN207834565U - A kind of dual polarization frequency reconfigurable antenna - Google Patents
A kind of dual polarization frequency reconfigurable antenna Download PDFInfo
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- CN207834565U CN207834565U CN201721849707.5U CN201721849707U CN207834565U CN 207834565 U CN207834565 U CN 207834565U CN 201721849707 U CN201721849707 U CN 201721849707U CN 207834565 U CN207834565 U CN 207834565U
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Abstract
The utility model discloses a kind of dual polarization frequency reconfigurable antenna, which includes radiation substrate, reflection base；The upper surface of radiation substrate is laid with first pattern and the second pattern；First pattern is the empty quadrilateral that the hollow shape that 4 equal angles surround is triangle；The most short side of all empty quadrilaterals is encircled into the first virtual squares that a center is overlapped with radiation substrate center；Second pattern is the L-shaped that 4 regular right angles with the upper surface of radiation substrate overlap；The third pattern for being laid in the lower surface of radiation substrate is 4 geometrical rule polygons for being provided with strip crevice for waiting angles to surround；The most short side of all geometrical rule polygons is encircled into the second virtual squares that a center is overlapped with radiation substrate center.Antenna provided by the utility model has many advantages, such as that size is small, section is low, easy to produce, dual polarization MIMO, and covers 698 960MHz and the bis- ultratvide frequency bands of 1710 2700MHz, meets the civilian communication terminal demand of 2G, 3G and 4G.
Description
Technical field
The utility model is related to mobile communication antenna technical fields, double more particularly to a kind of miniaturization low section multiband
The antenna of polarization frequency reconfigurable.
Background technology
Multiple-input, multiple-output (Multiple-InputMultiple-Output, hereinafter referred to as MIMO) technology refers to transmitting terminal and connects
Receiving end uses multiple transmitting antennas and reception antenna respectively, and signal is made to pass through the mutiple antennas transmission of transmitting terminal and receiving terminal and connect
It receives, so as to improve communication quality.It can make full use of space resources, and multiple-input multiple-output is realized by mutiple antennas, not increase frequency
In the case of spectrum resource and antenna transmission power, system channel capacity can be increased exponentially, show apparent advantage, by regarding
For the core technology of next generation mobile communication.Therefore, it minimizes, the mimo antenna of multifrequency and low section, is mobile communication
The inevitable development trend of field of antenna.
Antenna disclosed in currently available technology, such as a kind of wall aerial, can cover 698-960MHz and 1710-
The bis- ultratvide frequency bands of 2700MHz, have the characteristics that and size is small, section is low, but are limited to single polarization, do not have MIMO functions；
For another example, the coaxial Bipolarization antenna for base station unit of small-sized low-and high-frequency has the characteristics that compact-sized, radiance is excellent, but still difficult
Height to overcome the problems, such as entire antenna is very high, and it is high to assemble production cost.So how to obtain a kind of miniaturization, Yi Sheng
It produces, the mimo antenna of multifrequency and low section, is the technical issues of mobile communication antenna technical field is badly in need of solving.
Utility model content
The purpose of this utility model is to provide a kind of dual polarization frequency reconfigurable antenna, with size is small, section is low, Yi Sheng
The advantages that production, covers the bis- ultratvide frequency bands of 698-960MHz and 1710-2700MHz, it can be achieved that dual polarization MIMO functions, meets
The civilian communication terminal demand of 2G, 3G and 4G.
To achieve the above object, the utility model provides following scheme：
A kind of dual polarization frequency reconfigurable antenna, the antenna include the radiation substrate and reflection base of double-sided copper-clad；
The upper and lower surface of the radiation substrate and the upper and lower surface of the reflection base are square, and the radiation substrate with it is described
The upper and lower surface of reflection base is arranged in parallel；
The upper surface of the radiation substrate is laid with first pattern and the second pattern；First pattern is located at the radiation
The central part of the upper surface of substrate；Second pattern is located at the surrounding rim portion of the upper surface of the radiation substrate；It is described
The empty quadrilaterals that first pattern surrounds for 4 equal angles, and each empty quadrilateral all same；All described hollow four
The most short side of side shape is encircled into first virtual squares, and the center of first virtual squares and the radiation substrate
Center overlap；The hollow shape of the empty quadrilateral is triangle；Second pattern is 4 regular L-shaped, and described
L-shaped right angle is overlapped with the right angle of the upper surface of the radiation substrate；
The lower surface of the radiation substrate is laid with third pattern；The third pattern is 4 geometry for waiting angles to surround
Regular polygon, and each geometrical rule polygon all same；The most short side of all geometrical rule polygons surrounds
It is overlapped with the center of the radiation substrate at the center of second virtual squares, and second virtual squares；It is described
Geometrical rule polygon is provided with strip crevice.
The material of first pattern, second pattern and the third pattern laid on the radiation substrate is equal
For copper.
Optionally, the lower surface of the radiation substrate connects 4 L-shaped side walls；The L-shaped side wall is towards the reflection bottom
The L-shaped sheet metal that seat extends；When overlooking the L-shaped side wall, the L-shaped side wall is overlapped with the L-shaped side in second pattern；
The L-shaped side wall is connected to the lower surface of the radiation substrate by soldering.
Optionally, the one end of the geometrical rule polygon far from second virtual squares is connected with towards described anti-
Penetrate the metal column of pedestal extension, and the metal column and the reflection base not in contact with；The metal column is connected to by soldering
The lower surface of the radiation substrate.
Optionally, the radiation substrate is laid with the first metallization VIA and the second metallization VIA；Second pattern
In L-shaped be electrically connected by first metallization VIA with the geometrical rule polygon in the third pattern；Described second
Metallization VIA is located on the empty quadrilateral in first pattern, and close to first virtual squares.
Optionally, the number of first metallization VIA is 8, and the number of second metal aperture is 4.
Optionally, the reflection base includes reflected bottom plate, and is all connected with each side of the reflected bottom plate convex
Shape side wall；All convex sidewall all sames, and each convex sidewall extends towards the radiation substrate.
Optionally, the antenna further includes support column；The support column connects the radiation substrate and is fixed on the reflection
On bottom plate；The material of the support column is nonmetallic materials.
Optionally, a length of 180mm of the radiation substrate；A length of 200mm of the reflected bottom plate；The radiation substrate
Width is 180mm；The width of the reflected bottom plate is 200mm；The distance between the radiation substrate and the reflected bottom plate are 52mm.
Optionally, four angles of the empty quadrilateral are respectively 46.4 °, 66.4 °, 81.9 °, 165.3 °；Described three
Three angular angles are respectively 67.4 °, 70.7 °, 44.6 °.
Optionally, first pattern on the radiation substrate, second pattern, the third pattern pass through tin
Weldering is connected on the radiation substrate.
According to specific embodiment provided by the utility model, the utility model discloses following technique effects：
The utility model provides a kind of dual polarization frequency reconfigurable antenna, which includes the radiation substrate of double-sided copper-clad
And reflection base；The upper and lower surface of the radiation substrate and the upper and lower surface of the reflection base are square, and described
The upper and lower surface of radiation substrate and the reflection base is arranged in parallel；The upper surface of the radiation substrate be laid with the first pattern and
Second pattern；The lower surface of the radiation substrate is laid with third pattern；First pattern laid on the radiation substrate,
The material of second pattern and the third pattern is copper；First pattern is located at the upper surface of the radiation substrate
Central part；Second pattern is located at the surrounding rim portion of the upper surface of the radiation substrate；First pattern is 4
The empty quadrilateral that equal angles surround, and each empty quadrilateral all same；The most short side of all empty quadrilaterals
First virtual squares are encircled into, and the center of first virtual squares is overlapped with the center of the radiation substrate；
The hollow shape of the empty quadrilateral is triangle；Second pattern be 4 regular L-shaped, and the L-shaped right angle with
The right angle of the upper surface of the radiation substrate overlaps；The third pattern is 4 geometrical rule polygons for waiting angles to surround, and
Each geometrical rule polygon all same；The most short side of all geometrical rule polygons is encircled into one second virtually
Square, and the center of second virtual squares is overlapped with the center of the radiation substrate；The geometrical rule polygon
It is provided with strip crevice.Antenna provided by the utility model has many advantages, such as that size is small, section is low, easy to produce, dual polarization MIMO,
And cover the bis- ultratvide frequency bands of 698-960MHz and 1710-2700MHz, meet the civilian communication terminal demand of 2G, 3G and 4G.
Description of the drawings
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
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment antenna；
Fig. 2 is the utility model reflection base three dimensional structure diagram；
Fig. 3 is the utility model radiation substrate upper surface schematic diagram；
Fig. 4 is the utility model radiation substrate lower surface schematic diagram；
Fig. 5 is the utility model radiation substrate three dimensional structure diagram；
Fig. 6 is the utility model antenna polarization schematic diagram one；
Fig. 7 is the utility model antenna polarization schematic diagram two；
Fig. 8 is the utility model 698-960/1710-2700MHz standing wave patterns；
Fig. 9 is the utility model 698-960/1710-2700MHz isolation figures；
Figure 10 is the utility model 698-960MHz gain diagrams；
Figure 11 is the utility model 1710-2700MHz gain diagrams.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of dual polarization frequency reconfigurable antenna, with size is small, section is low, Yi Sheng
The advantages that production, covers the bis- ultratvide frequency bands of 698-960MHz and 1710-2700MHz, it can be achieved that dual polarization MIMO functions, meets
The civilian communication terminal demand of 2G, 3G and 4G.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
A kind of double ultra-wideband dual polarizations of frequency reconfigurable that the utility model belongs in radio communication field of antenna are low to be cutd open
Surface antenna.The utility model uses frequency reconfigurable structural principle, and realization two is mutually orthogonal in same physical size unit
Polarization, and can work on two different frequency ranges of 698-960MHz and 1710-2700MHz.The utility model combination microstrip antenna
With half-wave antenna principle, small sized double frequency dual polarization and low section are realized.
Fig. 1 is the structural schematic diagram of the utility model embodiment antenna, as shown in Figure 1, antenna provided by the utility model
Including double-sided copper-clad radiation substrate 1 (double side dielectric copper-clad plate), reflection base 2 and support column 3.
Fig. 2 is the utility model reflection base three dimensional structure diagram, as shown in Fig. 2, the reflection base 2 includes reflection
Bottom plate 201, and the convex sidewall 202 that is all connected with each side of the reflected bottom plate 201.All convex sidewalls 202
All same, and each convex sidewall 202 extends towards the radiation substrate 1.The reflection base 2 is for adjusting, changing
The radiation parameter of kind 698-960MHz and 1710-2700MHz.
The support column 3 connects the radiation substrate 1 and is fixed in the reflected bottom plate 201；The material of the support column 3
For nonmetallic materials.
As illustrated in fig. 1 and 2, the upper and lower surface of the upper and lower surface of the radiation substrate 1 and the reflected bottom plate 201 is just
It is rectangular, and the radiation substrate 1 is arranged in parallel with the reflected bottom plate 201.
A length of 180mm of the radiation substrate 1；A length of 200mm of the reflected bottom plate 201；The width of the radiation substrate 1
For 180mm；The width of the reflected bottom plate 201 is 200mm；The distance between the radiation substrate 1 and the reflected bottom plate 201 are
52mm。
Fig. 3 is the utility model radiation substrate upper surface schematic diagram, as shown in figure 3, the upper surface cloth of the radiation substrate 1
Equipped with the first pattern 101 and the second pattern 102；Shown first pattern 101 is located at the central part of the upper surface of the radiation substrate 1
Point；First pattern 101 is 4 empty quadrilaterals 1011 for waiting angles to surround, and each empty quadrilateral 1011 is
It is identical；The most short side of all empty quadrilaterals 1011 is encircled into first virtual squares 1012, and described first is empty
The center of quasi- square 1012 is overlapped with the center of the radiation substrate 1；The hollow shape of the empty quadrilateral 1011 is three
It is angular；The angle at four angles of the empty quadrilateral 1011 is respectively 46.4 °, 66.4 °, 81.9 °, 165.3 °.The triangle
The angle at three angles of shape is respectively 67.4 °, 70.7 °, 44.6 °.First pattern 101 is for resonance 1710-2700MHz frequencies
Section.
Second pattern 102 is dispersed in the surrounding of the upper surface of the radiation substrate 1；Second pattern 102 is 4
The L-shaped of a rule, and the L-shaped right angle is overlapped with the right angle of the upper surface of the radiation substrate 1；Second pattern 102
For resonance broadening 698-960MHz band bandwidths, coordinate 1710-2700MHz band bandwidths.
Fig. 4 is the utility model radiation substrate lower surface schematic diagram, as shown in figure 4, the lower surface cloth of the radiation substrate 1
Equipped with third pattern 103；The third pattern 103 is 4 geometrical rule polygons 1031 for waiting angles to surround, and each described
1031 all same of geometrical rule polygon；The geometrical rule polygon 1031 is nonagon, there is the quadrangle of class triangle
It is connected to combination with the quadrangle of L shape；The most short side of all geometrical rule polygons 1031 is encircled into one second virtually
Square 1032 (in order to clearly show that, by the second virtual squares enhanced processings), and second virtual squares 1032
Center is overlapped with the center of the radiation substrate 1；The geometrical rule polygon 1031 is provided with strip crevice 1033；The bar shaped
Gap 1033 is the empty broken string of L shape.The geometrical rule polygon 1031 is used for resonance 698-960MHz frequency ranges；The bar shaped
Gap 1033 is for deriving, resonance broadens 1710-2700MHz band bandwidths.
Upper and lower each corresponding surface of the radiation substrate 1, is connected by metallization VIA, for adjusting 1710-2700MHz
The impedance bandwidth of frequency range, wherein the metallization VIA that 1 upper surface of the radiation substrate is laid and 1 lower surface of the radiation substrate
The metallization VIA of laying corresponds.In order to sketch, only to 1 upper surface of the radiation substrate lay metallization VIA into
Row is introduced, specifically as shown in figure 3, the radiation substrate 1 is laid with the first metallization VIA 104 and the second metallization VIA 105；
L-shaped in second pattern 102 passes through first metal with the geometrical rule polygon 1031 in the third pattern 103
Change via 104 to be electrically connected；Second metallization VIA 105 is located on the empty quadrilateral 1011 in first pattern 101,
And close to first virtual squares 1012.The number of first metallization VIA 104 is 8, second metal aperture
107 number is 6.
First pattern 101, second pattern 102 and the third pattern laid on the radiation substrate 1
103 material is copper, and first pattern 101, second pattern 102, the third figure on the radiation substrate 1
Case 103 is connected to by soldering on the radiation substrate 1.
Fig. 5 is the utility model radiation substrate lower surface three dimensional structure diagram, as shown in figure 5, the radiation substrate 1
Lower surface connects 4 L-shaped side walls 106；The L-shaped side wall 106 is the L-shaped sheet metal extended towards the reflection base 2；It overlooks
When the L-shaped side wall 106, the L-shaped side wall 106 is overlapped with the L-shaped side in second pattern 102；The L-shaped side wall
106 are connected to the lower surface of the radiation substrate 1 by soldering.The L-shaped side wall includes two sections, and size is respectively：87
×10mm、73×10mm.The L-shaped side wall 106 broadens 698-960MHz band bandwidths for resonance.
The one end of the geometrical rule polygon 1031 far from second virtual squares 1032 is connected with described in
The metal column 107 that reflection base 2 extends, and the metal column 107 and the reflection base 2 not in contact with；The metal column 107 is logical
Cross the lower surface of soldering connection and the radiation substrate 1.The metal column 107 is used to adjust the impedance band of 698-960MHz frequency ranges
It is wide.
Fig. 6 is the utility model antenna polarization schematic diagram one；Fig. 7 is the utility model antenna polarization schematic diagram two, such as Fig. 6
Shown in 7, the upper surface of the radiation substrate 1 includes the first symmetrical structure 11, the second symmetrical structure 12 and the first feed line
108；The lower surface of the radiation substrate 1 includes third symmetrical structure 13, the second symmetrical structure 14 and the first feeder line 109；Institute
The first symmetrical structure 11 and third symmetrical structure 13 are stated, H/+45 ° of polarization is formed by the first feed line 108；Described second is symmetrical
Structure 12 and the 4th symmetrical structure 14 form V/-45 ° of polarization by the second feed line 109, form two mutually orthogonal antennas
Polarization.
Fig. 8 is the utility model 698-960/1710-2700MHz standing wave patterns；Fig. 9 is the utility model 698-960/
1710-2700MHz isolation figures；Figure 10 is the utility model 698-960MHz gain diagrams；Figure 11 is the utility model 1710-
2700MHz gain diagrams.As illustrated in figs. 8-11, double frequency bandwidth can be realized using antenna provided by the utility model：Standing wave：698-
960MHz≤2.35,1710-2700MHz≤2.05；Isolation：698-960MHz≤- 34dB, 1710-2700MHz≤- 25dB；Increase
Benefit：698-960MHz >=7.25dBi, 1710-2700MHz >=6.75dBi.
Antenna provided by the utility model also has microstrip antenna and half-wave antenna characteristic, has double frequency-band, dual polarization, ruler
The features such as very little small, section is low, compact-sized and easy Assembling Production, covers existing commercial communication 2G, 3G and 4G frequency range, dual polarization tool
Standby MIMO functions meet the use of the ends UE under the premise of meeting peer antenna basic electrical specifications.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Specific case used herein is expounded the principles of the present invention and embodiment, above example
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, according to the thought of the utility model, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of dual polarization frequency reconfigurable antenna, which is characterized in that the antenna include double-sided copper-clad radiation substrate and
Reflection base；The upper and lower surface of the radiation substrate and the upper and lower surface of the reflection base are square, and the radiation
The upper and lower surface of substrate and the reflection base is arranged in parallel；
The upper surface of the radiation substrate is laid with first pattern and the second pattern；First pattern is located at the radiation substrate
Upper surface central part；Second pattern is located at the surrounding rim portion of the upper surface of the radiation substrate；Described first
The empty quadrilaterals that pattern surrounds for 4 equal angles, and each empty quadrilateral all same；All empty quadrilaterals
Most short side be encircled into first virtual squares, and the center of first virtual squares in the radiation substrate
The heart overlaps；The hollow shape of the empty quadrilateral is triangle；Second pattern is 4 regular L-shaped, and the L-shaped
Right angle overlapped with the right angle of the upper surface of the radiation substrate；
The lower surface of the radiation substrate is laid with third pattern；The third pattern is 4 geometrical rules for waiting angles to surround
Polygon, and each geometrical rule polygon all same；The most short side of all geometrical rule polygons is encircled into one
A second virtual squares, and the center of second virtual squares is overlapped with the center of the radiation substrate；The geometry
Regular polygon is provided with strip crevice；
The material of first pattern, second pattern and the third pattern laid on the radiation substrate is
Copper.
2. antenna according to claim 1, which is characterized in that the lower surface of the radiation substrate connects 4 L-shaped side walls；
The L-shaped side wall is the L-shaped sheet metal extended towards the reflection base；When overlooking the L-shaped side wall, the L-shaped side wall with
L-shaped side in second pattern overlaps；The L-shaped side wall is connected to the lower surface of the radiation substrate by soldering.
3. antenna according to claim 1, which is characterized in that the geometrical rule polygon far from described second it is virtual just
Rectangular one end is connected with the metal column extended towards the reflection base, and the metal column does not connect with the reflection base
It touches；The metal column is connected to the lower surface of the radiation substrate by soldering.
4. antenna according to claim 1, which is characterized in that the radiation substrate is laid with the first metallization VIA and
Two metallization VIAs；L-shaped in second pattern passes through described first with the geometrical rule polygon in the third pattern
Metallization VIA is electrically connected；Second metallization VIA is located on the empty quadrilateral in first pattern, and close to institute
State the first virtual squares.
5. antenna according to claim 4, which is characterized in that the number of first metallization VIA is 8, described the
The number of two metal apertures is 4.
6. antenna according to claim 1, which is characterized in that the reflection base includes reflected bottom plate, and with it is described
The convex sidewall that each side of reflected bottom plate is all connected with；All convex sidewall all sames, and each convex sidewall is equal
Extend towards the radiation substrate.
7. antenna according to claim 6, which is characterized in that the antenna further includes support column；The support column connection
The radiation substrate is fixed in the reflected bottom plate；The material of the support column is nonmetallic materials.
8. antenna according to claim 6, which is characterized in that a length of 180mm of the radiation substrate；The reflected bottom plate
A length of 200mm；The width of the radiation substrate is 180mm；The width of the reflected bottom plate is 200mm；The radiation substrate and institute
It is 52mm to state the distance between reflected bottom plate.
9. antenna according to claim 1, which is characterized in that four angles of the empty quadrilateral are respectively 46.4 °,
66.4°、81.9°、165.3°；Three angles of the triangle are respectively 67.4 °, 70.7 °, 44.6 °.
10. antenna according to claim 1, which is characterized in that first pattern on the radiation substrate, described
Two patterns, the third pattern are connected to by soldering on the radiation substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721849707.5U CN207834565U (en) | 2017-12-26 | 2017-12-26 | A kind of dual polarization frequency reconfigurable antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721849707.5U CN207834565U (en) | 2017-12-26 | 2017-12-26 | A kind of dual polarization frequency reconfigurable antenna |
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| CN207834565U true CN207834565U (en) | 2018-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172993A (en) * | 2017-12-26 | 2018-06-15 | 佛山市安捷信通讯设备有限公司 | A kind of dual polarization frequency reconfigurable antenna |
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2017
- 2017-12-26 CN CN201721849707.5U patent/CN207834565U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172993A (en) * | 2017-12-26 | 2018-06-15 | 佛山市安捷信通讯设备有限公司 | A kind of dual polarization frequency reconfigurable antenna |
| CN108172993B (en) * | 2017-12-26 | 2024-02-13 | 佛山市安捷信通讯设备有限公司 | Dual-polarized frequency reconfigurable antenna |
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Denomination of utility model: Dual-polarization frequency reconfigurable antenna Effective date of registration: 20200514 Granted publication date: 20180907 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd Pledgor: FOSHAN ANJIEXIN COMMUNICATION EQUIPMENT Co.,Ltd. Registration number: Y2020980002209 |