CN208690484U - Ultra-wideband dual-polarization radiating unit and antenna - Google Patents
Ultra-wideband dual-polarization radiating unit and antenna Download PDFInfo
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- CN208690484U CN208690484U CN201821476634.4U CN201821476634U CN208690484U CN 208690484 U CN208690484 U CN 208690484U CN 201821476634 U CN201821476634 U CN 201821476634U CN 208690484 U CN208690484 U CN 208690484U
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- 230000005855 radiation Effects 0.000 claims abstract description 100
- 230000010287 polarization Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010295 mobile communication Methods 0.000 abstract description 5
- 238000005388 cross polarization Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000283080 Proboscidea <mammal> Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005130 electrotropism Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model relates to mobile communication antenna technical fields, and in particular to a kind of ultra-wideband dual-polarization radiating unit, comprising: radiator, four baluns and two feed tabs；Radiator includes orthogonal two opposed dipoles；Each dipole includes two radiation fins；Each radiation fin includes sheet body, and the first radiation arm, the second radiation arm and the third radiation arm of connection sheet body；During first radiation arm and the second radiation arm and sheet body are generally aligned in the same plane；There is between plane angle where third radiation arm and sheet body；Four baluns are corresponded arranges in four sheet bodies, and one end of four baluns and four sheet bodies connect one to one fixation；Two feed tabs are corresponded with wherein two neighboring sheet body and are electrically connected.Ultra-wideband dual-polarization radiating unit has diversified radiation path, and effective compensation current imbalance, so that the frequency point of 1427-2690MHz can realize impedance matching, bandwidth is just expanded, and cross-polarization performance is just improved.
Description
Technical field
The utility model relates to mobile communication antenna technical fields, and in particular to a kind of ultra-wideband dual-polarization radiating unit and
Antenna.
Background technique
Antenna for base station is the important set of mobile communication system as one of the capital equipment for realizing mobile communications network covering
At part.Network coexisted in current 2G, 3G and 4G, 4G is under the overall situation of 5G evolution, almost all of mobile communication network
The demand of the case where operator all suffers from while runing multiple and different frequency band networks, broadband multi-frequency antenna increasingly increases, existing
The working frequency range of radiating element in technology is 1710-2690MHz, it is difficult to meet the market demand.
Utility model content
The purpose of this utility model is to provide a kind of ultra-wideband dual-polarization radiating unit and antenna, to solve existing skill
The narrow problem of the working frequency range of radiating element in art.
The purpose of this utility model is achieved through the following technical solutions:
One aspect according to the present utility model, the utility model provide a kind of ultra-wideband dual-polarization radiating unit, comprising:
Radiator, four baluns and two feed tabs；Radiator includes orthogonal two opposed dipoles；Each dipole includes
Two radiation fins；Each radiation fin includes sheet body, and the first radiation arm, the second radiation arm and the third of the connection sheet body
Radiation arm；During first radiation arm and second radiation arm and the sheet body are generally aligned in the same plane；The third radiation arm
There is angle between the plane of the sheet body place；Four baluns are corresponded in four sheet body arrangements, four institutes
It states one end of balun and four sheet bodies connects one to one fixation；Two feed tabs and the wherein two neighboring sheet body one
A pair of of electrotropism connection.
Preferably, the sheet body is polygon；The third radiation arm is from a corner of the sheet body to close to described bar
The direction of the other end of human relations protrudes out.
Preferably, each sheet body is the hollow structure that multiple summits enclose, first radiation arm and described second
Radiation arm is respectively positioned in the hollow region of the sheet body, the end of first radiation arm and second radiation arm with described
The side of body is connected.
Preferably, the sheet body is rectangle；The first of the sheet body while, second while, third while and successively head and the tail when the 4th
It is connected；The first end of first radiation arm is connected to the first side of the sheet body, and the second end of first radiation arm connects
It is connected to the second side of the sheet body；The first end of second radiation arm is connected to the 4th side of the sheet body, and described second
The second end of radiation arm is connected to the third side of the sheet body；The third radiation arm convexedly stretches in the first side and of the sheet body
The junction on four sides；Four baluns connect one to one in four sheet bodies second while and junction when third.
Preferably, the first end of first radiation arm is to second end in the structure gradually to broaden；Second radiation arm
First end to second end be in the structure that gradually broadens.
Preferably, the ultra-wideband dual-polarization radiating unit further includes load piece, the load piece and four sheet bodies
It is connected.
Preferably, plane and the third radiation arm are perpendicular where the sheet body.
Preferably, four baluns are hollow structure；Balun described in two of them is equipped with notch, described in this two bar
Human relations connect one to one with the two neighboring sheet body.
Other side according to the present utility model, the utility model provide a kind of antenna, including reflecting plate and institute as above
At least one balun of the ultra-wideband dual-polarization radiating unit stated, the ultra-wideband dual-polarization radiating unit is fixed on the reflection
On plate.
As shown from the above technical solution, the advantages of the utility model and the first radiation arm and the second spoke are had the active effect that
Penetrate arm and during sheet body is generally aligned in the same plane；There is angle, so that ultra-wideband is bipolar where third radiation arm and sheet body between plane
Changing radiating element has diversified radiation path, effective compensation current imbalance, so that the frequency point of 1427-2690MHz is all
It is able to achieve impedance matching, bandwidth is just expanded, and cross-polarization performance is just improved；The area of radiation fin becomes smaller therewith, i.e.,
Radiating aperture is 0.35-0.45 center frequency wavelength, 0.40 center frequency wavelength of representative value, conducive to adjacent ultra-wide is reduced
Mutual coupling between frequency dual-polarization radiating unit.
Detailed description of the invention
The utility model is described in detail by following preferred embodiments and attached drawing for ease of explanation,.
Fig. 1 is the structural schematic diagram of the utility model ultra-wideband dual-polarization radiating unit preferred embodiment；
Fig. 2 is the top view of the utility model ultra-wideband dual-polarization radiating unit preferred embodiment；
Fig. 3 is the front view of the utility model ultra-wideband dual-polarization radiating unit preferred embodiment；
Fig. 4 is the structural schematic diagram of the feed tab of the utility model ultra-wideband dual-polarization radiating unit preferred embodiment；
Fig. 5 is the standing wave schematic diagram of the utility model ultra-wideband dual-polarization radiating unit preferred embodiment；
Fig. 6 is the structural schematic diagram of the utility model antenna preferred embodiment.
Label declaration: 1, radiator；11, radiation fin；111, the first radiation arm；112, the second radiation arm；113, third spoke
Penetrate arm；114, sheet body；1141, the first side；1142, the second side；1143, third side；1144, the 4th side；2, balun；21, notch；
3, feed tab；31, medium fixed block；4, support frame；5, piece is loaded；6, pedestal；7, reflecting plate.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only used to explain this reality
With novel, it is not used to limit the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection.It can be mechanical connection, be also possible to be electrically connected.Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
The utility model provides a kind of ultra-wideband dual-polarization radiating unit, including four baluns, 2, four one-to-one correspondence installations
In the radiation fin 11 of the upper end of four baluns 2 and two feed tabs 3；It is noted that two feed tabs 3 and wherein phase
Adjacent two radiation fins 11, which correspond, to be electrically connected, and two one-to-one correspondence of feed tab 3 are installed in two of them balun.
Radiation fin 11 include sheet body 114, positioned at sheet body 114 the first radiation arm 111 and the second radiation arm in the planes
112, and with the third radiation arm 113 of angle between 114 place plane of sheet body；For broadening frequency band, cross-pole is improved
Change performance, reduces radiating aperture, to reduce the mutual coupling between ultra-wideband dual-polarization radiating unit adjacent in array.
Referring to Fig. 1, ultra-wideband dual-polarization radiating unit includes radiator 1, is mounted on radiator 1 in the present embodiment
The balun 2 that the bottom surface of support frame 4, the load piece 5, upper end and radiator 1 that are mounted on support frame 4 on top surface is connected and fixed,
And it is mounted on the pedestal 6 of the lower end of balun 2.
Fig. 1 and Fig. 2 are please referred to, radiator 1 is in rotational symmetry, and rotation angle is 90 degree.Radiator 1 includes four radiation fins
11, two of them radiation fin 11 forms a dipole, and other two radiation fin 11 composition another dipole two is orthogonal
Opposed dipole.Two dipoles are orthogonal opposed.Each radiation fin 11 includes sheet body 114, and is fixed on sheet body 114
The first radiation arm 111, the second radiation arm 112 and third radiation arm 113.
Specifically, radiator 1 is square, and whole is in sphere of movements for the elephants shape.Two radiation fins 11 in one of dipole
Line and two radiation fins 11 in another dipole line it is perpendicular, i.e., one of dipole is located at radiator 1
A diagonal line on, and another dipole is located on another diagonal line of radiator 1.And one of dipole pair
A polarization direction is answered, and another dipole corresponds to another polarization direction.The path overall length of dipole is about centre frequency
Half wavelength, the gap width between adjacent radiation piece 11 is about 0.02 wavelength of centre frequency.Each radiation fin
11 form current path in parallel.
Sheet body 114 is square, and whole along plane extension, to reduce the mutual coupling between adjacent radiation piece 11；Certainly
The polygons such as regular pentagon, regular hexagon can also be used in sheet body 114.During four sheet bodies 114 are generally aligned in the same plane, each sheet body
114 hollow structures enclosed for four edges.The first of sheet body 114 at 1141, second 1142, third at 1143 and the 4th
1144 successively join end to end.
The first end of first radiation arm 111 is connected to the first side 1141 of sheet body 114, the first end of the first radiation arm 111
Perpendicular to the first side 1141 of sheet body 114, and the second end of the first radiation arm 111 is connected to the second side 1142 of sheet body 114；
The first end of second radiation arm 112 is connected to the 4th side 1144 of sheet body 114, and the first end of the second radiation arm 112 is perpendicular to piece
4th side 1144 of body 114, and the second end of the second radiation arm 112 is connected to the third side 1143 of sheet body 114；That is the first spoke
It penetrates arm 111 and the second radiation arm 112 is respectively positioned in the hollow region of sheet body 114.The first end of first radiation arm 111 is to second end
In the structure gradually to broaden；The first end of second radiation arm 112 to second end be in the structure that gradually broadens, it is double to adjust ultra-wideband
Bandwidth is expanded in the impedance matching of ultra-wideband antenna.First radiation arm 111 and the second radiation arm 112 are fold-line-shaped, and are had
One turning, the turning are obtuse angle.Between the extending direction of first radiation arm entirety and the extending direction of the second radiation arm entirety
Angle be acute angle.
Third radiation arm 113 convexedly stretch in downwards the first of sheet body 114 at 1141 and the 4th 1144 junction, third spoke
Arm 113 is penetrated perpendicular to 114 place plane of sheet body.I.e. four third radiation arms 113, which correspond, is installed on outside four of radiator 1
On apex angle.The length of third radiation arm 113 is about 1/16th wavelength of centre frequency, and diameter is about the half of length, with
It adjusts impedance convergence property, reduce polarization current disequilibrium.Third radiation arm 113 is column.
Fig. 1 and Fig. 3 are please referred to, support frame 4 is connected and fixed with four sheet bodies 114 simultaneously, and is loaded piece 5 and be fixed on branch
On support 4, for adjusting the impedance matching of ultra-wideband dual-polarization radiating unit, bandwidth is expanded.
Four baluns 2 are corresponded arranges in four sheet bodies 114, and the upper end of four baluns 2 connects one to one admittedly
Due to the second of four sheet bodies 114 in 1142 and third while 1143 junction, to support radiator 1.I.e. four baluns 2 are surround
It is uniformly distributed in the rotation center of radiator 1.Each balun 2 is perpendicular to 114 place plane of sheet body.The lower end of four baluns 2 connects
It is structure as a whole.
Each balun 2 is hollow structure；The height of each balun 2 is about the quarter-wave of centre frequency.It is equipped with
The lower end of two baluns 2 of feed tab 3 opens up jagged 21, for adjusting the impedance matching of ultra-wideband dual-polarization radiating unit,
Expand bandwidth.
Two feed tabs 3 are centrally located correspondingly in the hollow region of two of them balun 2, form micro-strip knot
Structure.Also, the upper end of two feed tabs 3 corresponds and is electrically connected at wherein two neighboring sheet body 114, with this two neighboring
Connected two 2 lower ends of the balun setting jagged 21 of body 114, and the lower end of each feed tab 3 with external cable for electrically connecting
It connects, to be fed to ultra-wideband dual-polarization radiating unit.Referring to Fig. 4, and the upper and lower ends of each feed tab 3 are equipped with Jie
Matter fixed block 31, medium fixed block 31 are connected with the inner wall of balun 2, so that feed tab 3 is fixed on the center of balun 2.
Pedestal 6 is installed on the lower end of balun 2, for being connected and fixed reflecting plate 7.
Referring to Fig. 5, the ultra-wideband dual-polarization radiating unit standing wave bandwidth expansion of corresponding diagram 1 is to 1427MHz, for changing
It, realizes impedance matching, bandwidth broadning.Wherein, VSWR is translated as standing-wave ratio (Voltage Standing Wave
Ratio).Electromagnetic wave is transmitted to second medium from first medium, can be due to medium difference, and it is anti-that the energy of electromagnetic wave understands some
It penetrates, to form " moving standing wave " in first region.Standing-wave ratio, refer to be exactly moving standing wave potential loop value and voltage node value it
Than this value can pass through the magnitude calculation of reflection coefficient: VSWR=(1+ the amplitude of reflection coefficient)/(1- the amplitude of reflection coefficient).By
Above it is found that standing-wave ratio is bigger, reflection power is higher, and efficiency of transmission is lower.
Referring to Fig. 6, the utility model also provides a kind of antenna, including the ultra-wideband in reflecting plate 7 and the utility model
The pedestal 6 of dual-polarization radiating unit, ultra-wideband dual-polarization radiating unit is fixed on reflecting plate 7.Since the ultra-wideband is bipolar
Changing radiating element has the characteristics that broadband, S parameter and radiance are good, therefore the antenna can keep good in broadband
Good electric property.
The utility model at least has the following advantages:
1, during the first radiation arm 111 and the second radiation arm 112 and sheet body 114 are generally aligned in the same plane；Third radiation arm 113 with
There is angle, so that ultra-wideband dual-polarization radiating unit has diversified radiation path, effectively between 114 place plane of sheet body
Current imbalance is compensated, so that the frequency point of 1427-2690MHz can realize impedance matching, bandwidth is just expanded, cross-pole
Change performance to be just improved；The area of radiation fin 11 becomes smaller therewith, i.e., radiating aperture is 0.35-0.45 center frequency wavelength,
0.40 center frequency wavelength of representative value, conducive to the mutual coupling reduced between adjacent ultra-wideband dual-polarization radiating unit；Therefore, surpass
Broadband dualpolarization radiation unit has broadband, S parameter and the good feature of radiance.
2, the characteristics of ultra-wideband dual-polarization radiating unit has simple for structure, easy to process, high reliablity, can flexibly answer
For in various single-frequency, multifrequency antenna.
3, the first end of the first radiation arm 111 is to second end in the structure gradually to broaden；The first end of second radiation arm 112
It is in the structure gradually to broaden to second end, conducive to the impedance matching for adjusting ultra-wideband dual-polarization radiating unit, expands bandwidth.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific
Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of ultra-wideband dual-polarization radiating unit characterized by comprising
Radiator, including orthogonal two opposed dipoles；Each dipole includes two radiation fins；Each radiation fin
Including sheet body, and the first radiation arm, the second radiation arm and the third radiation arm of the connection sheet body；First radiation arm and
During second radiation arm and the sheet body are generally aligned in the same plane；Have between plane where the third radiation arm and the sheet body
There is angle；
Four baluns are corresponded in four sheet body arrangements；One end of four baluns and four sheet bodies are one by one
It is correspondingly connected with fixation；
Two feed tabs are corresponded with the wherein two neighboring sheet body and are electrically connected.
2. a kind of ultra-wideband dual-polarization radiating unit according to claim 1, which is characterized in that the sheet body is polygon
Shape；The third radiation arm is protruded out from a corner of the sheet body to the direction of the other end close to the balun.
3. a kind of ultra-wideband dual-polarization radiating unit according to claim 2, which is characterized in that each sheet body is more
The hollow structure that side encloses, first radiation arm and second radiation arm are respectively positioned on the hollow region of the sheet body
In, the end of first radiation arm and second radiation arm is connected with the side of the sheet body.
4. a kind of ultra-wideband dual-polarization radiating unit according to claim 3, which is characterized in that the sheet body is rectangle；
The first of the sheet body while, second while, third while and the 4th while successively join end to end；The first end of first radiation arm connects
Second end in the first side of the sheet body, and first radiation arm is connected to the second side of the sheet body；Second spoke
The first end for penetrating arm is connected to the 4th side of the sheet body, and the second end of second radiation arm is connected to the of the sheet body
Three sides；The third radiation arm convexedly stretch in the first of the sheet body while and junction when the 4th；Four baluns one are a pair of
Should be connected to the second of four sheet bodies while and junction when third.
5. a kind of ultra-wideband dual-polarization radiating unit according to claim 4, which is characterized in that first radiation arm
First end is to second end in the structure gradually to broaden；The first end of second radiation arm is to second end in the knot gradually to broaden
Structure.
6. a kind of ultra-wideband dual-polarization radiating unit according to claim 1, which is characterized in that the ultra-wideband dual polarization
Radiating element further includes load piece, and the load piece is connected with four sheet bodies.
7. a kind of ultra-wideband dual-polarization radiating unit according to claim 1, which is characterized in that plane where the sheet body
It is perpendicular with the third radiation arm.
8. a kind of ultra-wideband dual-polarization radiating unit according to claim 1, which is characterized in that four baluns are
Hollow structure；Balun described in two of them is equipped with notch, and two baluns and the two neighboring sheet body correspond
Connection.
9. a kind of antenna, including reflecting plate, which is characterized in that further include that the described in any item ultra-wideband of claim 1 to 8 are bipolar
Change radiating element, at least one balun of the ultra-wideband dual-polarization radiating unit is fixed on the reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476634.4U CN208690484U (en) | 2018-09-10 | 2018-09-10 | Ultra-wideband dual-polarization radiating unit and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476634.4U CN208690484U (en) | 2018-09-10 | 2018-09-10 | Ultra-wideband dual-polarization radiating unit and antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690484U true CN208690484U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821476634.4U Active CN208690484U (en) | 2018-09-10 | 2018-09-10 | Ultra-wideband dual-polarization radiating unit and antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048897A (en) * | 2019-12-27 | 2020-04-21 | 东莞市振亮精密科技有限公司 | Dual-polarized broadband oscillator |
-
2018
- 2018-09-10 CN CN201821476634.4U patent/CN208690484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048897A (en) * | 2019-12-27 | 2020-04-21 | 东莞市振亮精密科技有限公司 | Dual-polarized broadband oscillator |
| CN111048897B (en) * | 2019-12-27 | 2020-12-08 | 东莞市振亮精密科技有限公司 | Dual-polarized broadband oscillator |
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