CN109193113A - A kind of dual-polarization radiating unit of antenna for base station - Google Patents
A kind of dual-polarization radiating unit of antenna for base station Download PDFInfo
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- CN109193113A CN109193113A CN201811311757.7A CN201811311757A CN109193113A CN 109193113 A CN109193113 A CN 109193113A CN 201811311757 A CN201811311757 A CN 201811311757A CN 109193113 A CN109193113 A CN 109193113A
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- 230000005855 radiation Effects 0.000 claims abstract description 230
- 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 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims description 23
- 238000005388 cross polarization Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The present invention provides a kind of dual-polarization radiating units of antenna for base station, including pedestal, multiple groups folded dipole and multiple groups balun；The group number of balun is identical with the group number of folded dipole；The folded dipole includes the first radiation fin, the second radiation fin, the first radiation arm and the second radiation arm；First radiation fin is vertical with the second radiation fin to be connect, and is respectively positioned in same plane；First radiation arm is inclined on first radiation fin, and second radiation arm is inclined on second radiation fin；The balun is set on the base, and the first radiation fin and the second radiation fin are symmetrical arranged about the longitudinal axis of balun, and first radiation arm and the second radiation arm are symmetrical arranged about the longitudinal axis of balun；First radiation arm of each group of folded dipole is connect by balun with the second radiation arm of the folded dipole.The present invention improves the skyborne radiance of antenna；And solve front and back existing in the prior art compare, cross polarization than deviation defect.
Description
Technical field
The present invention relates to antenna technical field more particularly to a kind of dual-polarization radiating units of antenna for base station.
Background technique
Radiating element (oscillator) is one of the important component for constituting antenna, and performance directly determines that antenna items are important
Index, such as gain, half-power beam width, front and back ratio, cross polarization ratio.Increase to improve the radiation of low frequency radiating element
Benefit and improve its beam angle, generally use the form of opposed dipole, feed obtains higher gain and relatively narrow in the same direction
Beam angle, while perpendicular direction can place another pair dipole of same feed principle and form another polarization
Radiation, two groups of opposed dipoles then constitute a kind of dual-polarization radiating unit, are commonly called as bowl-shape radiating element.
This form radiating element has the advantages that high-gain, narrow beam, but simultaneously because dipole is open-circuit transfer beta radiation
Mechanism, radiation are affected by adjacent dipole, there is the defects of front and back ratio, cross polarization are than deviation.
Summary of the invention
The present invention intends to provide a kind of dual-polarization radiating unit of the high radiance of antenna for base station.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
The present invention provides a kind of dual-polarization radiating units of antenna for base station, including pedestal, further include multiple groups folded dipole
With multiple groups balun；
The group number of the balun is identical with the group number of folded dipole；The folded dipole includes the first radiation fin, the second spoke
Penetrate piece, the first radiation arm and the second radiation arm；First radiation fin is vertical with the second radiation fin to be connect, and is respectively positioned on same flat
In face；First radiation arm is inclined on first radiation fin, and second radiation arm is inclined at described
On two radiation fins；
The balun is set on the base, and first radiation fin and the second radiation fin are symmetrically set about the longitudinal axis of balun
It sets, first radiation arm and the second radiation arm are symmetrical arranged about the longitudinal axis of balun；First radiation of each group of folded dipole
Arm is connect by balun with the second radiation arm of the folded dipole.
Further, the angle between first radiation arm and first radiation fin is 60 ° -80 °, second spoke
The angle penetrated between arm and second radiation fin is 60 ° -80 °；First radiation arm and the second radiation arm are located at not
In same plane.
Further, multiple groups balun is around the pedestal, and is uniformly distributed setting；Multiple groups folded dipole is around the bottom
Seat, and it is uniformly distributed setting.
Further, the balun includes the first feed tab and the second feed tab；One end of first feed tab and institute
The connection of the first radiation fin is stated, the other end of first feed tab is connect with the pedestal；One end of second feed tab with
The second radiation fin connection, the other end of second feed tab are connect with the pedestal；First feed tab and second
The longitudinal axis between feed tab with gap, first feed tab and the second feed tab about the balun is symmetrical arranged.
Further, the dual-polarization radiating unit of the antenna for base station further includes connection first feed tab and the
First insulation link block of two feed tabs, first insulation link block one end is located at the middle position of the first feed tab, described
The first insulation link block other end is located at the middle position of the second feed tab.
Further, the dual-polarization radiating unit of the antenna for base station further includes the second insulation link block；
The group number of the folded dipole is four groups；Pass through the second insulation link block connection between the radiation fin of four groups of folded dipoles
Form rectangle；One folded dipole and the first radiation arm and folded dipole adjacent thereto the second radiation arm is generally aligned in the same plane
On.
Further, the length of the rectangle and wide respectively 0.45-0.55 operation wavelength.
Further, the shape of first radiation fin is the first concave shape, the bottom and first of first concave shape
Radiation arm connection；The shape of second radiation fin is the second concave shape, the bottom of second concave shape and the second radiation arm
Connection.
Further, the dual-polarization radiating unit of the antenna for base station further includes metallic reflection plate, and the pedestal passes through
Screw is connect with metallic reflection plate.
Further, the metallic reflection plate is equipped with multiple equally distributed pedestals, and pedestal is equipped with radiating element.
The invention has the benefit that
The present invention provides a kind of dual-polarization radiating unit of antenna for base station, the first radiation fin of folded dipole and its second
Radiation fin is vertically arranged, and is located in a plane；First radiation arm of folded dipole is inclined on the first radiation fin, is converted into
Second radiation arm of oscillator is inclined on the second radiation fin, and the first radiation fin passes through the balun and second being set on the base
Radiation fin connection.Connection relationship between radiation fin and radiation arm of the present invention are as follows: first the-the first radiation arm of radiation fin-balun-the
Two radiation arm the-the first radiation fins of the-the second radiation fin increase the length of closed-loop to form radiation current circuit, thus
Current length is increased, the bandwidth of aerial radiation is made to be expanded, while radiation fin and radiation arm are about the longitudinal axis of balun
It is symmetrical arranged, can be improved the skyborne radiance of antenna；The structure of its folded dipole is closing structure, and radiation mechanism is
Short circuit radiation is had better current symmetry than the open circuit radiation mechanism of dipole, improves and passed due to dipole for open circuit
Defeated beta radiation mechanism, radiation are affected by adjacent dipole, there is the defects of front and back ratio, cross polarization are than deviation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the dual-polarization radiating unit of antenna for base station of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram that the metallic reflection plate of the embodiment of the present invention is connect with dual-polarization radiating unit；
Fig. 3 is a kind of structural schematic diagram of the dual-polarization radiating unit of antenna for base station of the embodiment of the present invention three；
Fig. 4 is the structural schematic diagram that the metallic reflection plate of the embodiment of the present invention three is connect with dual-polarization radiating unit；
Fig. 5 is that the metallic reflection plate of the embodiment of the present invention three is equipped with the structural schematic diagram of multiple dual-polarization radiating units；
Label declaration:
1, pedestal；2, folded dipole；3, balun；4, the first radiation fin；5, the second radiation fin；6, the first radiation arm；7,
Two radiation arms；8, the first feed tab；9, the second feed tab；10, the first insulation link block；11, the second insulation link block；12, golden
Belong to reflecting plate.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: the first radiation fin of folded dipole is vertically arranged with its second radiation fin, and
In a plane；First radiation arm of folded dipole is inclined on the first radiation fin, the second radiation arm of folded dipole
It is inclined on the second radiation fin, the first radiation fin passes through the balun being set on the base and connect with the second radiation fin.
Fig. 1 to Fig. 2 is please referred to, the present invention provides a kind of dual-polarization radiating units of antenna for base station, including pedestal, also wrap
Include multiple groups folded dipole and multiple groups balun；
The group number of the balun is identical with the group number of folded dipole；The folded dipole includes the first radiation fin, the second spoke
Penetrate piece, the first radiation arm and the second radiation arm；First radiation fin is vertical with the second radiation fin to be connect, and is respectively positioned on same flat
In face；First radiation arm is inclined on first radiation fin, and second radiation arm is inclined at described
On two radiation fins；
The balun is set on the base, and first radiation fin and the second radiation fin are symmetrically set about the longitudinal axis of balun
It sets, first radiation arm and the second radiation arm are symmetrical arranged about the longitudinal axis of balun；First radiation of each group of folded dipole
Arm is connect by balun with the second radiation arm of the folded dipole.
As can be seen from the above description, the present invention provides a kind of dual-polarization radiating unit of antenna for base station, the of folded dipole
One radiation fin is vertically arranged with its second radiation fin, and is located in a plane；First radiation arm of folded dipole is inclined at
On first radiation fin, the second radiation arm of folded dipole is inclined on the second radiation fin, and the first radiation fin is existed by setting
Balun on pedestal is connect with the second radiation fin.Connection relationship between radiation fin and radiation arm of the present invention are as follows: the first radiation fin-
First radiation arm-balun the-the second radiation arm the-the first radiation fin of the-the second radiation fin increases to form radiation current circuit
The length of closed-loop makes the bandwidth of aerial radiation be expanded to increase current length, while radiation fin and radiation
Arm is symmetrical arranged about the longitudinal axis of balun, can be improved the skyborne radiance of antenna；And it improves since dipole is
Open circuited transmission line radiation mechanism, radiation are affected by adjacent dipole, there is front and back ratio, cross polarization is lacked than deviation etc.
It falls into.
Further, the angle between first radiation arm and first radiation fin is 60 ° -80 °, second spoke
The angle penetrated between arm and second radiation fin is 60 ° -80 °；First radiation arm and the second radiation arm are located at not
In same plane.
It is set as can be seen from the above description, being 60 ° -80 ° by angle between the second radiation arm and second radiation fin
It sets, space can be saved, keep space shared by low frequency radiating element small as far as possible, raising group battle array high frequency radiation characteristic considers simultaneously
Meet die sinking to require.
Further, multiple groups balun is around the pedestal, and is uniformly distributed setting；Multiple groups folded dipole is around the bottom
Seat, and it is uniformly distributed setting.
As can be seen from the above description, helping to improve aerial radiation list by the folded dipole and balun that are uniformly distributed setting
The radiance of member.
Further, the balun includes the first feed tab and the second feed tab；One end of first feed tab and institute
The connection of the first radiation fin is stated, the other end of first feed tab is connect with the pedestal；One end of second feed tab with
The second radiation fin connection, the other end of second feed tab are connect with the pedestal；First feed tab and second
The longitudinal axis between feed tab with gap, first feed tab and the second feed tab about the balun is symmetrical arranged.
As can be seen from the above description, being arranged by above structure, it can further improve the length of closed circuit, make aerial radiation
Bandwidth be further expanded.
Further, the dual-polarization radiating unit of the antenna for base station further includes connection first feed tab and the
First insulation link block of two feed tabs, first insulation link block one end is located at the middle position of the first feed tab, described
The first insulation link block other end is located at the middle position of the second feed tab.
As can be seen from the above description, connecting the first feed tab and the second feed tab by the first insulation link block, be conducive to mention
The stability of high radiating element, while the radiance of antenna is not influenced.
Further, the dual-polarization radiating unit of the antenna for base station further includes the second insulation link block；
The group number of the folded dipole is four groups；Pass through the second insulation link block connection between the radiation fin of four groups of folded dipoles
Form rectangle；One folded dipole and the first radiation arm and folded dipole adjacent thereto the second radiation arm is generally aligned in the same plane
On.
As can be seen from the above description, four groups of folded dipoles are to be symmetrical arranged two-by-two, be conducive to further increase antenna
Radiance.
Further, the length of the rectangle and wide respectively 0.45-0.55 operation wavelength.Wherein, operation wavelength refers to
The wavelength of the center frequency point of 690-960MHz, such setting are needed simultaneously because to the requirement of Antenna Design from Principle of Antenna
The radiation characteristic for considering coaxial high frequency balances the fixed size of relationship between the two.
Further, the shape of first radiation fin is the first concave shape, the bottom and first of first concave shape
Radiation arm connection；The shape of second radiation fin is the second concave shape, the bottom of second concave shape and the second radiation arm
Connection.
As can be seen from the above description, can further improve the length of closed circuit by above structure, keeping electric current in circuit long
Degree is improved, so that the bandwidth of aerial radiation be made further to be expanded.
The present invention also provides a kind of dual-polarization radiating unit of antenna for base station, including metallic reflection plate and described bipolar
Change radiating element, the pedestal of the dual-polarization radiating unit is connect by screw with metallic reflection plate.
Further, the metallic reflection plate is equipped with multiple equally distributed dual-polarization radiating units.
Further, the dual-polarization radiating unit of the antenna for base station further includes metallic reflection plate, and the pedestal passes through
Screw is connect with metallic reflection plate.
Further, the metallic reflection plate is equipped with multiple equally distributed pedestals, and pedestal is equipped with radiating element.
As can be seen from the above description, steadily pedestal can be mounted in metallic reflection plate, passed through simultaneously by above structure
Multiple equally distributed dual-polarization radiating units, can be improved the radiance of antenna for base station.
Please refer to Fig. 1 to Fig. 2, the embodiment of the present invention one are as follows:
The present invention provides a kind of dual-polarization radiating units of antenna for base station, including pedestal 1, further include multiple groups folded dipole
2 and multiple groups balun 3；
The group number of the balun 3 is identical with the group number of folded dipole 2；The folded dipole 2 includes the first radiation fin 4, the
Two radiation fins 5, the first radiation arm 6 and the second radiation arm 7；First radiation fin 4 is vertical with the second radiation fin 5 to be connect, and
It is in the same plane；First radiation arm 6 is inclined on first radiation fin 4, and second radiation arm 7 tilts
It is arranged on second radiation fin 5；Angle between first radiation arm 6 and first radiation fin 4 is 60 ° -80 °,
Angle between second radiation arm 7 and second radiation fin 5 is 60 ° -80 °；First radiation arm 6 and the second radiation
Arm 7 is located in different planes；
The balun 3 is arranged on pedestal 1, the longitudinal axis pair of first radiation fin 4 and the second radiation fin 5 about balun 3
Setting, first radiation arm 6 and the second radiation arm 7 is claimed to be symmetrical arranged about the longitudinal axis of balun 3；Each group of folded dipole 2
First radiation arm 6 is connect by balun 3 with the second radiation arm 7 of the folded dipole 2.
Multiple groups balun 3 is uniformly distributed on setting pedestal 1 around the pedestal 1；Multiple groups folded dipole 2 is around the bottom
Seat 1, and it is uniformly distributed setting；
The embodiment of the present invention two are as follows:
The present embodiment two and the difference of embodiment one are, further include the first insulation link block 10, second insulation link block
11 and metallic reflection plate；
The balun 3 includes the first feed tab 8 and the second feed tab 9；One end of first feed tab 8 and described first
Radiation fin 4 connects, and the other end of first feed tab 8 is connect with the pedestal 1；One end of second feed tab 9 and institute
The connection of the second radiation fin 5 is stated, the other end of second feed tab 9 is connect with the pedestal 1；First feed tab 8 and
There is gap, first feed tab 8 and the second feed tab 9 are symmetrically set about the longitudinal axis of the balun 3 between two feed tabs 9
It sets；First insulation, 10 one end of link block is connect with the middle position of the first feed tab 8, and the first insulation link block 10 is another
One end is connect with the middle position of the second feed tab 9；
The group number of the folded dipole 2 is four groups；Pass through the second insulation link block 11 between the radiation fin of four groups of folded dipoles 2
Connection forms rectangle；One folded dipole 2 and the first radiation arm 6 and folded dipole 2 adjacent thereto the second radiation arm 7 is located at
On same plane；
The shape of first radiation fin 4 is the first concave shape, and the bottom of first concave shape and the first radiation arm 6 connect
It connects；The shape of second radiation fin 5 is the second concave shape, and the bottom of second concave shape is connect with the second radiation arm 7；Institute
The pedestal 1 for stating dual-polarization radiating unit is connect by screw with metallic reflection plate 12；The metallic reflection plate 12 is equipped with multiple
The equally distributed dual-polarization radiating unit.
The embodiment of the present invention three are as follows:
Referring to figure 3., the present invention provides a kind of dual-polarization radiating units of antenna for base station, including parallel right in pairs
It sets, four orthogonal folded dipoles between two groups, four pairs of baluns, one pedestal, the radiating element is by integrated die casting
The radiation arm of molding, the folded dipole is semiclosed radial line, and closed upper part, lower part is connected with a pair of of balun respectively.Phase
Adjacent folded dipole relative radiation unit vertical central plane is symmetrical, and the lower end of four pairs of baluns is connected, and forms a polygon-shaped base.
Specifically, the ultra-wideband dual-polarization radiating unit 10 by a, b, c, d, four couples of balun a0 of four folded dipoles and
A0 ', b0 and b0 ', c0 and c0 ', d0 and d0 ' and pedestal composition.A and c parallel opposed in four folded dipoles, spacing are
0.45-0.55 operation wavelength；B and d parallel opposed, spacing are 0.45-0.55 operation wavelength；A and c is orthogonal to b and d, shape
At two orthogonal polarization.In addition, balun a0 and b0 ', b0 and c0 ', c0 and d0 ', d0 and the bottom a0 ' are connected to form a plane,
It is connected respectively with pedestal, and the angular range of plane is 60-80 ° where this plane and the radiating element.
The radiation arm of folded dipole a is symmetrical about balun.Wherein folded dipole radiation arm is semiclosed radial line, top
A1, a1 ' it is connected, it is a closed-loop, lower part a2, a2 ' with balun a0, a0 ' are connected.A2, a2 ' it is flat with the radiating element place
The angular range in face is 60-80 °, a2, a2 ' it is special-shaped plane, its current length can be increased, expand bandwidth.This plane is not limited to
Design object can be achieved in this special-shaped shape, arbitrary shape.In multifrequency antenna application, it is single that this feature can effectively extend radiation
First electrical length reaches the design object of loss of weight and miniaturization.
The back side upper end of the corresponding balun of each Jie's folded dipole is provided with feeder line locating slot, and outer conductor and locating slot weld
Together, inner conductor bending welds together with balun.This structure is simple, the good feature of radiation current balance.
Likewise, the structure feature that folded dipole b, c, d also have and folded dipole a is equivalent, folded dipole b include
B1, b2, b1 ' include c1, c2, c1 with b2 ', folded dipole c ' and c2 ', folded dipole d include d1, d2, d1 ' and d2 ', convert into vibration
The structure of sub- b, folded dipole c and folded dipole d are identical as the structure of folded dipole a.
The radiating element 10 is by integrated die cast, light-weight, easy processing, and consistency is good.
Please refer to Fig. 4, the purpose of the present invention is to provide a kind of ultra-wideband antennas comprising metallic reflection plate 20 with
And at least one above-mentioned equivalent radiating element 10, the equivalent radiating element 10 are installed on the metal by the screw hole location of pedestal
On reflecting plate 20.
Please refer to Fig. 5, metallic reflection plate 20 is equipped with multiple evenly distributed above-mentioned radiating elements 10, each radiation
It is embedded with a high frequency unit 30 inside unit 10, and is equipped with a high frequency unit 30 between two neighboring radiating element 10.
This group battle array design facilitates antenna product miniaturization, is substantially reduced its width.
In conclusion the present invention provides a kind of dual-polarization radiating unit of antenna for base station, the first radiation of folded dipole
Piece is vertically arranged with its second radiation fin, and is located in a plane；First radiation arm of folded dipole is inclined at the first spoke
On piece is penetrated, the second radiation arm of folded dipole is inclined on the second radiation fin, and the first radiation fin is by being set on the base
Balun connect with the second radiation fin.Connection relationship between radiation fin and radiation arm of the present invention are as follows: first the-the first spoke of radiation fin
It penetrates arm-balun the-the second radiation arm the-the first radiation fin of the-the second radiation fin and increases blockade line to form radiation current circuit
The length on road makes the bandwidth of aerial radiation be expanded to increase current length, while radiation fin and radiation arm close
It is symmetrical arranged in the longitudinal axis of balun, can be improved the skyborne radiance of antenna；And it improves and is passed due to dipole for open circuit
Defeated beta radiation mechanism, radiation are affected by adjacent dipole, there is the defects of front and back ratio, cross polarization are than deviation.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (10)
1. a kind of dual-polarization radiating unit of antenna for base station, including pedestal, which is characterized in that further include multiple groups folded dipole and more
Group balun；
The group number of the balun is identical with the group number of folded dipole；The folded dipole include the first radiation fin, the second radiation fin,
First radiation arm and the second radiation arm；First radiation fin is vertical with the second radiation fin to be connect, and is respectively positioned in same plane；
First radiation arm is inclined on first radiation fin, and second radiation arm is inclined at second radiation
On piece；
The balun is set on the base, and first radiation fin and the second radiation fin are symmetrical arranged about the longitudinal axis of balun, institute
The longitudinal axis that the first radiation arm and the second radiation arm are stated about balun is symmetrical arranged；First radiation arm of each group of folded dipole passes through
Balun is connect with the second radiation arm of the folded dipole.
2. the dual-polarization radiating unit of antenna for base station according to claim 1, which is characterized in that first radiation arm with
Angle between first radiation fin is 60 ° -80 °, and the angle between second radiation arm and second radiation fin is
60°-80°；First radiation arm and the second radiation arm are located in different planes.
3. the dual-polarization radiating unit of antenna for base station according to claim 1, which is characterized in that multiple groups balun is around described
Pedestal, and it is uniformly distributed setting；Multiple groups folded dipole is uniformly distributed setting around the pedestal.
4. the dual-polarization radiating unit of antenna for base station according to claim 1, which is characterized in that the balun includes first
Feed tab and the second feed tab；One end of first feed tab is connect with first radiation fin, first feed tab
The other end is connect with the pedestal；One end of second feed tab is connect with second radiation fin, second feed tab
The other end connect with the pedestal；There is gap, first feed tab between first feed tab and the second feed tab
The longitudinal axis with the second feed tab about the balun is symmetrical arranged.
5. the dual-polarization radiating unit of antenna for base station according to claim 4, which is characterized in that further include connection described the
First insulation link block of one feed tab and the second feed tab, first insulation link block one end are located in the first feed tab
Between position, the first insulation link block other end is located at the middle position of the second feed tab.
6. the dual-polarization radiating unit of antenna for base station according to claim 1, which is characterized in that further include that the second insulation connects
Connect block；
The group number of the folded dipole is four groups；It connects to be formed by the second insulation link block between the radiation fin of four groups of folded dipoles
Rectangle；One folded dipole and the first radiation arm and folded dipole adjacent thereto the second radiation arm is in the same plane.
7. the dual-polarization radiating unit of antenna for base station according to claim 6, which is characterized in that the length and width of the rectangle
Respectively 0.45-0.55 operation wavelength.
8. the dual-polarization radiating unit of antenna for base station according to claim 1, which is characterized in that first radiation fin
Shape is the first concave shape, and the bottom of first concave shape is connect with the first radiation arm；The shape of second radiation fin is
The bottom of second concave shape, second concave shape is connect with the second radiation arm.
9. a kind of dual-polarization radiating unit of antenna for base station, which is characterized in that including metallic reflection plate and such as claim 1 to 8
The pedestal of any dual-polarization radiating unit, the dual-polarization radiating unit is connect by screw with metallic reflection plate.
10. the dual-polarization radiating unit of antenna for base station according to claim 9, which is characterized in that the metallic reflection plate
It is equipped with multiple equally distributed dual-polarization radiating units.
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| CN112397883A (en) * | 2020-10-19 | 2021-02-23 | 广东盛路通信科技股份有限公司 | High-low frequency combined radiating unit and antenna assembly |
| CN113629396A (en) * | 2021-08-10 | 2021-11-09 | 苏州纬度天线有限公司 | Low-profile radiation unit capable of improving gain and front-to-back ratio |
| CN114759339A (en) * | 2022-04-02 | 2022-07-15 | 深圳市联洲国际技术有限公司 | Omnidirectional radiation horizontal polarization antenna |
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