CN105490006B - A kind of feed structure and antenna radiating system - Google Patents
A kind of feed structure and antenna radiating system Download PDFInfo
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- CN105490006B CN105490006B CN201510980451.0A CN201510980451A CN105490006B CN 105490006 B CN105490006 B CN 105490006B CN 201510980451 A CN201510980451 A CN 201510980451A CN 105490006 B CN105490006 B CN 105490006B
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- feed
- barron structure
- barron
- feed line
- common signal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
-
- 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
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Abstract
A kind of feed structure of offer of the embodiment of the present invention and antenna radiating system, are related to the communications field, to provide a kind of compact-sized feed structure and antenna radiating system.Including the first barron structure and the second barron structure, each barron structure includes at least three-decker respectively, the three-decker is followed successively by the first feed line layer, common signal stratum and the second feed line layer, and the common signal stratum includes spaced two common signals；The first feed line layer includes the first feed line；The second feed line layer includes the second feed line；A feed line in a feed line and the second barron structure in first barron structure forms the first feed port, another feed line in another feed line and the second barron structure in first barron structure forms the second feed port, and the bottom of the bottom of the first barron structure and the second barron structure is provided with signal ground.The embodiment of the present invention is applied in multifrequency antenna array.
Description
Technical field
The present embodiments relate to the communications field more particularly to a kind of feed structures and antenna radiating system.
Background technology
The more array antennas of multifrequency refer to that a row low-frequency antenna unit is arranged between adjacent column high frequency antenna unit to be put down
Face array group battle array realizes that +/- 45 degree are polarized, but between being set to high frequency antenna unit due to low-frequency antenna unit, and low frequency day
The volume of line unit is larger, not only so that the spacing in the more array antennas of multifrequency between adjacent column high frequency antenna unit increases, and
When spacing is more than 1.16 times of its working frequency corresponding wavelength between adjacent column high frequency antenna unit, high frequency antenna can be seriously affected
Unit electric property, and low-frequency antenna unit can also block the signal of high frequency antenna unit, can also seriously affect high frequency antenna
Unit electric property.
Invention content
A kind of feed structure of the embodiment of the present invention offer and antenna radiating system, to provide a kind of compact-sized feedback
Electric structure and antenna radiating system, the effective mutual coupling reduced between high frequency unit and low frequency cell so that antenna electrical performance
Realize +/- 45 degree of polarized effects.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
In a first aspect, the embodiment of the present invention provides a kind of feed structure, including the first barron structure and the second barron structure,
Wherein, first barron structure and the second barron structure it is orthogonal setting and constitute cross；
Wherein, in first barron structure and the second barron structure, each barron structure includes at least three-layered node respectively
Structure, the three-decker are followed successively by the first feed line layer, common signal stratum and the second feed line layer, wherein described public
Signal stratum includes spaced two common signals；The first feed line layer includes to be connected across described two public letters
The first feed line between number ground；The second feed line layer includes the second feedback between being connected across described two common signal ground
Electric wire；
In first feed line and the second feed line, wherein a feed line in the first barron structure and second bar
A feed line in human relations structure forms the first feed port, the feed current for providing+45 ° of directions, first balun
Another feed line in another feed line and the second barron structure in structure forms the second feed port, for provide-
The feed current in 45 ° of directions；
The bottom of the bottom of first barron structure and second barron structure is provided with signal ground.
With reference to first aspect, in the first possible realization method of first aspect, first barron structure and
In two barron structures, the first feed line of one of barron structure and the current direction of the second feed line are identical, another bar
First feed line of human relations structure and the current direction of the second feed line are opposite.
With reference to first aspect, further include combining device, the conjunction in second of possible realization method of first aspect
Road device includes the first signal wire, second signal line and No.1 signal ground, and first signal wire is used to present for described first
The equiphase electric currents of work(point such as electric port offer so that first feed port provides the feed current in+45 ° of directions, described
Second signal line, which is used to provide for second feed port, waits the equiphase electric current of work(point so that second feed port carries
For the feed current in -45 ° of directions；
The combining device is arranged on the signal ground, the No.1 signal ground and positioned at first barron structure and
The bottom of second barron structure is signally connected.
Second of possible realization method with reference to first aspect, in the third possible realization method of first aspect
In, it is respectively arranged with dielectric layer between the common signal stratum and the first feed line layer and the second feed line layer；
First feed line and second feed line are Π shape conductive feed pieces, the Π shapes conductive feed piece packet
Containing the first side, second while and when third, wherein described first while and when third be arranged in parallel, first side and described
Third is connected while by described second, and described second while with described first and the third side is vertical；
Wherein, the Π shapes conductive feed piece first while and projection when third on the common signal stratum distinguish position
On the ground in different common signals；
The free end on the first side of a Π shape conductive feed piece in first barron structure and second balun
The free end on the first side of a Π shape conductive feed piece in structure is connect with the first signal wire of the combining device；It is described
Another Π shape is led in first side of another Π shape conductive feed piece in the first barron structure and second barron structure
First side of electric feed tab is connect with the second signal line of the combining device, wherein described first while and when third include
The proximal end and free end being oppositely arranged, the proximal end are the one end being connected with second side, the free end be not with it is described
The connected one end in second side.
Second aspect, the embodiment of the present invention provide a kind of antenna radiating system, including described in first aspect any one
Feed structure and four radiators；Wherein, in first barron structure and second barron structure, each balun knot
Include common signal in the common signal stratum of structure the free end and proximal end being oppositely arranged, each common signal ground
Free end is connect with a radiator, the orthogonal setting of each two adjacent radiator in four radiators；Wherein, proximal end
It refer to two common signals ground one end close to each other.
The embodiment of the present invention provides a kind of feed structure, passes through the first barron structure and the second balun knot of orthogonal setting
Structure, the feed line in a feed line and the second barron structure in the first barron structure form the first feed port, use
It is another in another feed line and the second barron structure in the feed current that+45 ° of directions are provided, first barron structure
One feed line forms the second feed port, the feed current for providing -45 ° of directions, due to the first barron structure and second
The first feed line and the second feed line in barron structure are connected across between two common signal ground, form potential difference so that
The electric current of the big reverse phase of two common signals generation etc. on the ground, so as to provide feed to radiator on+45 ° and -45 ° of directions
Electric current.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1-1 is a kind of structural schematic diagram of feed structure provided in an embodiment of the present invention；
Fig. 1-2 is a kind of feed current direction schematic diagram one of feed structure provided in an embodiment of the present invention；
Fig. 1-3 is a kind of feed current direction schematic diagram two of feed structure provided in an embodiment of the present invention；
Fig. 1-4 is a kind of feed current direction schematic diagram three of feed structure provided in an embodiment of the present invention；
Fig. 2-1 is the structural schematic diagram one of the first barron structure in a kind of feed structure provided in an embodiment of the present invention；
Fig. 2-2 is that the structure of feed line layer in the first barron structure in a kind of feed structure provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2-3 is the structural schematic diagram one of the second barron structure in a kind of feed structure provided in an embodiment of the present invention；
Fig. 3 is the vertical view of the first barron structure in a kind of feed structure provided in an embodiment of the present invention；
Fig. 4 is structure chart when first barron structure is T-type structure in a kind of feed structure provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In the description of the embodiment of the present invention, it is to be understood that term "center", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the present invention
System.
Referring to Fig. 1, Fig. 1 is a kind of feed structure provided in an embodiment of the present invention, including the first barron structure 10 and second
Barron structure 30, wherein the orthogonal setting of first barron structure, 10 and second barron structure 30 and constitute cross；
Wherein, in first barron structure, 10 and second barron structure 30, each barron structure includes at least three respectively
Layer structure, the three-decker are followed successively by the first feed line layer 101, common signal stratum 102 and the second feed line layer 103,
Wherein, the common signal stratum 102 including spaced two common signals 1021,1022；First feed line
101 include with being connected across described two common signals the first feed line 1011 between 1021,1022；The second feed line layer
103 include with being connected across described two common signals the second feed line 1031 between 1021,1022；
In first feed line, 1011 and second feed line 1031, wherein a feed in the first barron structure 10
A feed line the first feed port of formation in line and the second barron structure 30, the feed current for providing+45 ° of directions,
Another feed line in another feed line and the second barron structure 30 in first barron structure 10 forms the second feedback
Electric port, the feed current for providing -45 ° of directions；
The bottom of the bottom of first barron structure 10 and second barron structure 30 is provided with signal ground.
Wherein, first barron structure 10 and second barron structure 30 include being oppositely arranged along its length
Bottom and top, the top with four radiators for connecting, radiator 201,202,203 and 204 as shown in Figure 1,
The bottom is the one end being oppositely arranged with the top.
The embodiment of the present invention provides a kind of feed structure, passes through the first barron structure and the second balun knot of orthogonal setting
Structure, the feed line in a feed line and the second barron structure in the first barron structure form the first feed port, use
It is another in another feed line and the second barron structure in the feed current that+45 ° of directions are provided, first barron structure
One feed line forms the second feed port, the feed current for providing -45 ° of directions, due to the first barron structure and second
The first feed line and the second feed line in barron structure are connected across between two common signal ground, form potential difference so that
The electric current of the big reverse phase of two common signals generation etc. on the ground, so as to provide feed to radiator on+45 ° and -45 ° of directions
Electric current.
It is understood that the first barron structure 10 includes at least three-decker, i.e. the first feed line layer 101, public letter
Number stratum 102 and the second feed line floor 103, the common signal stratum include spaced common signal 1021 and public
Signal ground 1022 altogether.The common signal stratum 102 and the first feed line layer 101 and the second feed line layer 103 it
Between be respectively arranged with dielectric layer, the common signal stratum 102 includes front and back, it can be understood as the common signal
Be provided with dielectric layer between the back side and the first feed line layer 101 of layer 102, the front on the common signal stratum 102 and
It is provided with dielectric layer between the second feed line layer 103；Or the front on the common signal stratum 102 is fed with described first
It is provided with dielectric layer between line layer 101, is set between the back side on the common signal stratum 102 and the second feed line layer 103
It is equipped with dielectric layer；Wherein, the dielectric layer can be air or dielectric-slab, and the embodiment of the present invention is to this without limiting.
When the first feed line layer 101 is arranged at 102 back side of common signal stratum, the first feed line layer 101
Including the first feed line 1011 projection of the side on the common signal stratum 102 with being located at the common signal
The projection on the common signal stratum 102 at 1021 back side, another side of first feed line 1011 is located at institute
With stating common signal 1022 back side；One side of the second feed line 1031 that i.e. the second feed line layer 103 includes is in institute
State on common signal stratum 102 projection positioned at the common signal 1021 front, second feed line 1031 it is another
The front that projects positioned at the common signal 1022 of one side on the common signal stratum 102.
Wherein, projection of second feed line 1,031 1 while with another on the common signal stratum 102
A signal ground and another signal ground back side, first feed line in the common signal bottom 102 can be located at
1011 1 projections while with another on the common signal stratum 102 can be located at the common signal bottom 102
In signal ground and another signal ground 1,031 1, front or second feed line while and another while in the public affairs
The projection on signal stratum 102 can be located at a signal ground and another signal ground in the common signal bottom 102 altogether
Front, projection of first feed line 1,011 1 while with another on the common signal stratum 102 can be located at
The back side of a signal ground and another signal ground in the common signal bottom 102, the embodiment of the present invention is to this without limit
System, in actual needs, if the first feed line layer 101 is located at the back side of the common signal bottom 102, by described the
One feed line 1011 with being connected across the common signal 1021,1022 the back side, otherwise, with being connected across the common signal
1021,1022 front.
Certainly, when the first feed line layer 101 setting and the front on the common signal stratum 102, described first
The front for projecting positioned at the common signal 1021 of the one end for the first feed line 1011 that feed line layer 101 includes, it is described
The other end of first feed line 1011 with being located at the common signal 1022 front.
Wherein, the first feed line layer 101 of second barron structure 30 and first barron structure 10, common signal
Stratum 102 and 103 arrangement of the second feed line layer are identical, and details are not described herein for the embodiment of the present invention, may refer to first
Barron structure 10.
It is understood that the first feedback in the first feed line 1011 and the second barron structure in the first barron structure 10
Electric wire 1011 can form the first feed port, in the second feed line 1031 and the second barron structure in the first barron structure 10
The second feed line 1031 can form the second feed port；Or first the first feed line 1011 and second in barron structure 10
The second feed line 1031 in barron structure forms the first feed port, 1031 He of the second feed line in the first barron structure 10
The first feed line 1011 in second barron structure forms the second feed port, as long as ensureing in first barron structure 10
The current direction of one feed line and a feed line in second barron structure 30 so that first feed port can
With the feed current in+45 ° of directions of offer, the feed current in -45 ° of directions that second feed port can provide.
Optionally, as shown in Fig. 1-2 to 1-4, in first barron structure, 10 and second barron structure 30, wherein one
First feed line 1011 of a barron structure is identical with the current direction of the second feed line 1031, and the first of another barron structure
The current direction of feed line 1011 and the second feed line 1031 is opposite.
As shown in Figs. 1-2, in the first barron structure 10 first feed line 1011 and the second feed line 1031 current direction
Identical (direction that the radiator 204 is directed toward along radiator 202 is upward), the first feed line in the second barron structure 30
1011 and second feed line 1031 opposite (the i.e. current direction of the first feed line 1011 in the second barron structure 30 of current direction
The current direction of second feed line 1031 is along radiation along the direction of the direction radiator 203 of radiator 201, the second barron structure 30
Device 203 is directed toward the direction of radiator 201；Or as shown in Figs. 1-3, the electric current side of the second feed line 1031 in the second barron structure 30
To the direction for being directed toward radiator 203 along radiator 201, the current direction of the first feed line 1011 is along spoke along the second barron structure 30
Emitter 203 is directed toward the direction of radiator 201)；Or first first feed line 1011 and the second feed line 1031 in barron structure 10
Current direction opposite (i.e. as shown in Figs. 1-2, the current direction of first feed line 1011 is along radiator in the first barron structure 10
201 are directed toward the direction of radiators 203, and the current direction of the second feed line 1031 refers to along radiator 203 in the first barron structure 10
To the direction of radiator 201 or as shown in Figs. 1-3, the current direction of second feed line 1031 is along radiation in the first barron structure 10
Device 201 is directed toward the direction of radiator 203, and the current direction of the first feed line 1011 is along radiator 203 in the first barron structure 10
It is directed toward the direction of radiator 201), the electric current side of the first feed line 1011 and the second feed line 1031 in the second barron structure 30
Into identical i.e. second barron structure 30, the current direction of the first feed line 1011 and the second feed line 1031 is along radiator
202 be directed toward the radiator 204 direction it is upward), it is not limited by the embodiments of the present invention.
Wherein, dotted line is shown second in the first feed line layer 101 and the second barron structure 30 of the first barron structure 10
Feed line layer 103 or the first feed line layer 101 form one group of feed lamella, and shown in solid is the second feedback of the first barron structure 10
Another group of feed lamella that the first feed line layer 101 or the second feed line layer are formed in rewiring layer 103 and the second barron structure, can
With understanding, as shown in Fig. 1-2 and 1-3, the first feed line layer 101 in the first barron structure 10 and the second barron structure 30
In the first feed line layer 101 form one group of feed lamella, the second feed line layer 103 in the first barron structure 10 and second bar
The second feed line layer 103 in human relations structure 30 forms another group of feed lamella, wherein and Fig. 1-2's and Fig. 1-3 has in common that,
Current direction in second barron structure 30 between first feed line 1011 and the second feed line 1031 is on the contrary, difference exists
In the current direction of the first feed line 1011 in Fig. 1-2 is directed toward the second barron structure by the radiator 201 of the second barron structure
The current direction of the 203 of radiator, the second feed line 1031 is directed toward the second barron structure 30 by the second barron structure radiator 203
Radiator 201, in Fig. 1-3, the current direction of the first feed line 1011 is directed toward second by the radiator 203 of the second barron structure
The current direction of the 201 of barron structure radiator, the second feed line 1031 is directed toward second bar by the second barron structure radiator 201
The radiator 203 of human relations structure 30 is or, as shown in Figs 1-4, the first feed line layer 101 in the first barron structure 10 and the second balun
The second feed line layer 103 in structure 30 forms one group of feed lamella, 103 He of the second feed line layer in the first barron structure 10
The first feed line layer 101 in second barron structure 30 forms another group of feed lamella.
Optionally, first barron structure 10 is provided with the first clamping portion, and second barron structure 30 is provided with
Two clamping portions；First barron structure 10 passes through first clamping portion and second clamping portion and the second balun knot
Structure 30 is clamped, and effectively the first barron structure 10 and the second barron structure 30 can be set together in cross in this way.It is preferred that
, first clamping portion is arranged in the centre of first barron structure 10, and second clamping portion is arranged described second
The centre of barron structure 30.
Wherein, as shown in Fig. 2-1, first clamping portion 104 is along 10 length direction of the first barron structure from upper
And the first groove 1041 of lower setting, second clamping portion 304 be along with the second barron structure length direction from lower and
Second groove 3041 of upper setting, or；It is understood that first groove 1041 length and the second groove length it
With the length equal to first barron structure, 10 or second barron structure 30, or,
First clamping portion 104 is the first groove being arranged from bottom to top along the first barron structure length direction,
Second clamping portion is the second groove being arranged from top to bottom along the second barron structure length direction.
The embodiment of the present invention to the specific material of first barron structure 10 and second barron structure 30 without
Limit, be merely exemplary, on the one hand, it is optional, first barron structure 10 and second barron structure 30 respectively by
Three layers of pcb board are suppressed to be formed；
1) the first pcb board (Printed Circuit Board, printed circuit board), the second pcb board and the 3rd PCB, are obtained
Plate, wherein first pcb board and the second pcb board and third pcb board include dielectric-slab, in the front of the dielectric-slab and
The back side is respectively arranged with layers of copper, and first pcb board and the second pcb board include dielectric-slab 1001,1003, in the dielectric-slab
1001,1003 arbitrary it is provided with layers of copper on one side；It is understood that can be at the back side of the dielectric-slab of first pcb board
Layers of copper is set, can also be front setting layers of copper.
Wherein, the first pcb board and the second pcb board can have the one side layers of copper of the pcb board of layers of copper etch away on two sides
It obtains, can also directly make the only pcb board with one side layers of copper, it is not limited by the embodiments of the present invention.
2), in first pcb board and the 2nd PBC plates there is the one side of layers of copper to etch the first feed line layer respectively
101 and the second feed line layer 103；
Wherein, it is preferred that the first feed line 1011 of the first feed line layer 101 and the second feed line layer 103
The second feed line 1031 be Π shape conductive feed pieces；
Illustratively, as shown in Fig. 2-1, Fig. 2-2 or Fig. 2-3, the Π shapes conductive feed piece includes the first side, the second side
With third side, wherein described first while and when third be arranged in parallel, described first while and when third pass through described
Two sides are connected, and described second while with described first and the third side is vertical；Wherein, the Π shapes conductive feed piece first
While and projection when third on the common signal stratum be located at common signal different in the common signal stratum
On the ground；With being located at the common signal on 1021, the Π shapes are conductive for the projection on the first side of the i.e. described Π shapes conductive feed piece
The projection on the third side of feed tab is located at another common signal in the common signal stratum on the ground, i.e., the described Π shapes are conductive
The projection on the third side of feed tab is with being located at the common signal on 1022.
3) common signal stratum 102, is etched on the third pcb board, the common signal stratum includes that interval is arranged
Two common signals 1021 and 1022；As shown in Figure 3；
4), by the first PBC plates, the second pcb board and third pcb board successively according to the first feed line layer 101, public letter
The sequence of number stratum 102 and the second feed line floor 103 is suppressed so that the first feed line layer 101 is connected across described
Two common signals between 1021 and 1022；The second feed line layer is connected across between described two common signal ground；
Can also successively according to the second feed line layer 103, common signal stratum 102 and the first feed line layer 101 it is suitable
Sequence suppresses the first PBC plates, the second pcb board and third pcb board, obtains first barron structure 10 and second bar described
Human relations structure 30.
When first barron structure and second barron structure are suppressed by three layers of pcb board respectively to be formed, Mei Gesuo
It is that input is believed that three layers of pcb board, which are stated, along the length of the second barron structure length direction or the first barron structure length direction
The a quarter of number working frequency range corresponding wavelength.
On the other hand, illustratively, first barron structure 10 and second barron structure 30 are respectively by metal metal plate
Golden part is suppressed to be formed.
Process that first barron structure 10 and second barron structure 30 divide and above-mentioned is suppressed by sheet metal part
The pressing process of pcb board is identical, and it is not limited by the embodiments of the present invention, in specific implementation process, can refer to the PCB
The pressing process of plate.
When first barron structure 10 and second barron structure 30 are suppressed by sheet metal part respectively to be formed, institute
Common signal stratum 102 is stated in the first barron structure 10 and second barron structure 30 along first barron structure 10 and institute
The length for stating 30 length direction of the second barron structure is a quarter of input signal working frequency range corresponding wavelength.
As shown in Figure 3, it is to be understood that the first barron structure 10 of the embodiment of the present invention and the second barron structure 30
Per dielectric layer is provided between adjacent two layers structure in three-decker, the dielectric layer is air or dielectric-slab, and the present invention is implemented
Example is not limited this.
As Figure 1-1, the feed structure, further includes combining device 50, and the combining device 50 includes the first signal
Line, second signal line and No.1 signal ground, first signal wire, which is used to provide for first feed port, waits work(to grade
The electric current of phase so that first feed port provides the feed current in+45 ° of directions, and the second signal line is used for as institute
State the equiphase electric current of the work(point such as the second feed port offer so that second feed port provides the feed electricity in -45 ° of directions
Stream；
The combining device is arranged on the signal ground, the No.1 signal ground and positioned at first barron structure and
The bottom of second barron structure is signally connected.
Further alternative, first feed line and second feed line are Π shape conductive feed pieces；The Π
Shape conductive feed piece includes the first side, second while and when third, wherein described first while and when third be arranged in parallel, institute
It states first while with the third to be connected by second side, and described second hangs down while with described first with the third side
Directly；
Wherein, the Π shapes conductive feed piece first while and projection when third on the common signal stratum distinguish position
The different common signals ground in the common signal stratum；
The free end on the first side of a Π shape conductive feed piece in first barron structure and second balun
The free end on the first side of a Π shape conductive feed piece in structure is connect with the first signal wire of the combining device；It is described
Another Π shape is led in first side of another Π shape conductive feed piece in the first barron structure and second barron structure
First side of electric feed tab is connect with the second signal line of the combining device, and a Π shape in first barron structure is led
The third of electric feed tab while free end and second barron structure in a Π shape conductive feed piece third while from
It is hanging by holding；The third side of another Π shape conductive feed piece in first barron structure and second barron structure
In another Π shape conductive feed piece third side it is hanging；Wherein, described first while and include to be oppositely arranged when third
Proximal end and free end, the proximal end are the one end being connected with second side, and the free end is not to be connected with second side
One end.
As shown in figure 4, first barron structure 10 and second barron structure 30 include horizontal part and vertical component effect,
The horizontal part and vertical component effect constitute T-type, and the horizontal part and the vertical component effect include spaced two common signals.
Wherein, it can be formed to two common signals of horizontal part and vertical component effect with integral production, the two of horizontal part can also be obtained respectively
A common signal and vertical component effect two common signals, horizontal part and vertical component effect are then subjected to docking and form T-type so that
It connects to two common signals in horizontal part and vertical component effect, the embodiment of the present invention is to this without limiting.
Optionally, first barron structure 10 and second barron structure 30 can also be set to " work " type,
In, " work " type includes first horizontal portion and second horizontal part and vertical component effect parallel with the first horizontal portion, described
First horizontal portion is connected with second horizontal part by vertical component effect, in the first horizontal portion, the second horizontal part and described vertical
In straight portion including spaced two common signals.Wherein, two in first horizontal portion, the second horizontal part and vertical component effect
It can be formed to a common signal with integral production, first horizontal portion, the second horizontal part and vertical component effect can also be obtained respectively
Two common signals, then first horizontal portion and the second horizontal part and vertical component effect are docked to form " work " type so that first
It connects to common signal in horizontal part and the second horizontal part and vertical component effect, the embodiment of the present invention is to this without limiting.
On the other hand, the embodiment of the present invention provides a kind of antenna radiating system, as shown in Figure 1, the radiating system includes
Feed structure described in above-described embodiment and four radiators；Wherein, first barron structure 10 and second balun
Include common signal in the common signal stratum of each barron structure the free end and proximal end being oppositely arranged in structure 30,
The free end on each common signal ground is connect with a radiator, four radiators 201,202,203 and 204
In the orthogonal setting of each two adjacent radiator；For example, radiator 202 and radiator 201；Wherein, proximal end refers to two public
Signal ground one end close to each other.
The embodiment of the present invention provides a kind of antenna radiating system, passes through the first barron structure and the second balun of orthogonal setting
Four radiators are connected by structure, in the first barron structure a feed line and the second barron structure a feed line
The first feed port is formed, the feed current for providing+45 ° of directions, another feed line in first barron structure
With another feed line the second feed port of formation in the second barron structure, the feed current for providing -45 ° of directions, by
The first feed line and the second feed line in the first barron structure and the second barron structure with being connected across two common signals it
Between, form potential difference so that the electric current of the big reverse phase of two common signals generation etc. on the ground, so as in+45 ° and -45 ° of sides
Upwards feed current is provided to radiator.And then the miniaturization of antenna radiating system is realized simultaneously.
Wherein, illustratively, as shown in Fig. 2-1, the common signal of the first barron structure 10 1021,1022 one end point
It is not connect with radiator 201 and radiator 203, wherein 1021,1022 proximal end and free end are respectively included to common signal, it is public
Altogether the proximal end of signal ground 1021 and 1022 refer to the common signal 1021 and the common signal it is 1022 close to each other
One end, the free end refer to the common signal 1021 and 1022 one end far from the proximal end of common signal ground,
I.e. the common signal of first barron structure 10 1021,1022 free end connect respectively with radiator 201 and radiator 203
Connect, wherein common signal 1021 and the common signal there is between 1022 proximal end gap 1023, as shown in Fig. 2-2,
Illustratively, referring to figure 2-3, the common signal of the second barron structure 30 1021,1022 free end respectively with radiator 203
Connected with radiator 204, i.e., the common signal of first barron structure 10 1021,1022 free end respectively with radiator
202 and radiator 204 connect, wherein common signal 1021 and the common signal there is between 1022 proximal end gap,
As shown in Figure 1, four radiators 201,202,203,204 and the first barron structure 10 of orthogonal setting and the second barron structure 30
Constitute a quadrangle two diagonal lines, and in four radiators 201,202,203,204 each two adjacent radiator it
Between it is vertical, i.e., radiator 201 and radiator 202 are vertical, and radiator 202 and radiator 203 are vertical.
Wherein, it is connected by electrical couplings between each radiator and corresponding common signal ground, or passes through electricity
Gas is directly connected to, that is, is welded.
And two radiators being located in four radiators 201,202,203,204 on same diagonal line constitute an idol
Extremely sub, four dipoles being located on two diagonal lines are mutually orthogonal, for example, radiator 201 and radiator 203 constitute first occasionally
Extremely sub, radiator 202 and radiator 204 constitute the second dipole, and first dipole and second dipole vertical,
It as shown in Figs. 1-2, can be respectively in the horizontal direction (along first when encouraging the first dipole and the second dipole respectively
The direction of dipole) and vertical direction (direction with the first dipole vertical) on generate two polarization components, when the first dipole
Son and the second dipole can generate synthesis when waited the equiphase signal of work(point to encourage simultaneously on +/- 45 ° of directions
Vector.For example, shown in Fig. 1-2, the first dipole and the second dipole are waited work(to divide after equiphase signal excitation, +/-
Composite signal is produced on 45 ° of directions.
Optionally, in order to improve the working frequency of antenna radiating system, the length of each radiator is input signal
The a quarter of working frequency range corresponding wavelength, the i.e. length of radiator 201,202,203,204 are input signal working frequency range pair
Answer a quarter of wavelength.
Optionally, as shown in figure 4, when first barron structure 10 and second barron structure 30 include horizontal part
When with vertical component effect, the horizontal part and vertical component effect constitute T-type, and the horizontal part and the vertical component effect include spaced two
Common signal 1021,1022, be located at the horizontal part in two common signal ground in each common signal comprising from
By end and proximal end, four radiators be respectively in the first barron structure 10 and second barron structure 30 horizontal part it is each
The free end edge on common signal ground is with the vertical component effect vertical direction according to the extension of preset length, wherein the preset length
For a quarter of input signal working frequency range corresponding wavelength.
I.e. by first barron structure 10 and 30 horizontal part of the second barron structure two common signal ground from
It can obtain when extending preset length along the direction vertical with the barron structure length by holding and be pushed up positioned at the first barron structure 10
The radiator 201 and 203 in portion is located at the radiator 202 and 204 (not shown)s at 30 top of the second barron structure.Wherein, in advance
If length is a quarter of input signal working frequency range corresponding wavelength.
When first barron structure 10 and second barron structure are set as " work " type, wherein " work " the type packet
Containing first horizontal portion and second horizontal part and vertical component effect parallel with the first horizontal portion, the first horizontal portion and institute
It states the second horizontal part to connect by vertical component effect, includes interval in the first horizontal portion, the second horizontal part and in the vertical component effect
Two common signals being arranged.
By the free end on each common signal ground in two common signal ground in first horizontal portion along with it is described
When the vertical direction of barron structure length extends preset length, it can obtain diagonal in same at the top of barron structure
Two radiators on line.Wherein, preset length is a quarter of input signal working frequency range corresponding wavelength.
It should be noted that when first barron structure 10 and second barron structure 30 are suppressed by pcb board and are formed
When, the horizontal part, first horizontal portion, the second horizontal part can only include layers of copper.
Optionally, the length of each radiator is a quarter of input signal working frequency range corresponding wavelength, i.e. spoke
The length of emitter 201,202,203,204 is a quarter of input signal working frequency range corresponding wavelength.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (12)
1. a kind of feed structure, which is characterized in that including the first barron structure and the second barron structure, wherein described first bar
Human relations structure and the second barron structure it is orthogonal setting and constitute cross；
Wherein, in first barron structure and the second barron structure, each barron structure includes at least three-decker, institute respectively
It states three-decker and is followed successively by the first feed line layer, common signal stratum and the second feed line layer, wherein the common signal
Layer is including spaced two common signals；The first feed line layer include with being connected across described two common signals it
Between the first feed line；The second feed line layer includes the second feed line being connected across between described two common signal ground；
In first feed line and the second feed line, wherein a feed line in first barron structure and described
A feed line the first feed port of formation in two barron structures, the feed current for providing+45 ° of directions, described first
Another feed line in another feed line and the second barron structure in barron structure forms the second feed port, for carrying
For the feed current in -45 ° of directions；
The bottom of the bottom of first barron structure and second barron structure is provided with signal ground.
2. feed structure according to claim 1, which is characterized in that first barron structure and the second barron structure
In, the first feed line of one of barron structure and the current direction of the second feed line are identical, and the of another barron structure
The current direction of one feed line and the second feed line is opposite.
3. feed structure according to claim 1, which is characterized in that first barron structure is provided with the first clamping
Portion, second barron structure are provided with the second clamping portion；First barron structure passes through first clamping portion and described
Second clamping portion is clamped with second barron structure.
4. feed structure according to claim 3, which is characterized in that first clamping portion is along the first balun knot
The first groove that structure length direction is arranged from top to bottom, second clamping portion be along the second barron structure length direction from
Second groove of lower and upper setting, or；
First clamping portion is the first groove being arranged from bottom to top along the first barron structure length direction, described second
Clamping portion is the second groove being arranged from top to bottom along the second barron structure length direction.
5. feed structure according to claim 1, which is characterized in that first barron structure and the second balun knot
Structure is suppressed by three layers of printing board PCB plate formed respectively, or；
First barron structure and second barron structure are suppressed by sheet metal part formed respectively.
6. feed structure according to claim 5, which is characterized in that when first barron structure and second balun
Structure is suppressed by three layers of pcb board respectively when being formed, and each three layers of pcb board is along the second barron structure length direction or institute
The length for stating the first barron structure length direction is a quarter of input signal working frequency range corresponding wavelength；
When first barron structure and second barron structure are suppressed by sheet metal part respectively to be formed, described first bar
Common signal stratum is long along first barron structure and second barron structure in human relations structure and second barron structure
The length for spending direction is a quarter of input signal working frequency range corresponding wavelength.
7. feed structure according to claim 1, which is characterized in that further include combining device, the combining device includes
First signal wire, second signal line and No.1 signal ground, first signal wire for first feed port for providing
The equiphase electric current of equal work(point so that first feed port provides the feed current in+45 ° of directions, the second signal line
For providing equal work(point equiphase electric current for second feed port so that second feed port provides -45 ° of directions
Feed current；
The combining device is arranged on the signal ground, the No.1 signal ground and positioned at first barron structure and described
The bottom of second barron structure is signally connected.
8. feed structure according to claim 7, which is characterized in that the common signal stratum and first feed line
It is respectively arranged with dielectric layer between layer and the second feed line layer；
First feed line and second feed line are Π shape conductive feed pieces, and the Π shapes conductive feed piece includes the
On one side, second while and when third, wherein described first while and when third be arranged in parallel, first side and the third
It is connected while by described second, and described second while with described first and the third side is vertical；
Wherein, the Π shapes conductive feed piece first while and projection when third on the common signal stratum be located at not
Same common signal is on the ground；
The free end on the first side of a Π shape conductive feed piece in first barron structure and second barron structure
In a Π shape conductive feed piece the first side free end with it is described combining device the first signal wire connect；Described first
Another Π shape conduction is presented in first side of another Π shape conductive feed piece in barron structure and second barron structure
First side of electric piece connect with the second signal line of the combining device, wherein described first while and include relatively when third
The proximal end and free end of setting, the proximal end are the one end being connected with second side, and the free end is not with described second
The connected one end in side.
9. according to the feed structure described in claim 1 or 8 any one, which is characterized in that first barron structure and institute
State the second barron structure and include horizontal part and vertical component effect, the horizontal part and vertical component effect constitute T-type, the horizontal part and vertical
Portion includes spaced two common signals.
10. a kind of antenna radiating system, which is characterized in that including feed structure described in any one of claim 1-9, and
Four radiators；
Wherein, in first barron structure and second barron structure, in the common signal stratum of each barron structure
Include common signal the free end and proximal end that are oppositely arranged, the free end on each common signal ground with a radiator
Connection, the orthogonal setting of each two adjacent radiator in four radiators；Wherein, proximal end refers to two common signals ground phase
Mutually close one end.
11. antenna radiating system according to claim 10, which is characterized in that when first barron structure and described
When two barron structures include horizontal part and vertical component effect, the horizontal part and vertical component effect constitute T-type, the horizontal part and vertical component effect
Including spaced two common signals, it is located in two common signal ground in horizontal part, wraps to each common signal
The free end and proximal end being oppositely arranged are included, four radiators are respectively in the first barron structure and second barron structure
The free end edge on each common signal ground is with the vertical component effect vertical direction according to the extension of preset length, wherein described default
Length is a quarter of input signal working frequency range corresponding wavelength.
12. the antenna radiating system according to claim 10 or 11, which is characterized in that each the length of the radiator is
The a quarter of input signal working frequency range corresponding wavelength.
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| CN201510980451.0A CN105490006B (en) | 2015-12-23 | 2015-12-23 | A kind of feed structure and antenna radiating system |
| PCT/CN2016/100941 WO2017107612A1 (en) | 2015-12-23 | 2016-09-29 | Feed structure and antenna radiation system |
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| CN201510980451.0A CN105490006B (en) | 2015-12-23 | 2015-12-23 | A kind of feed structure and antenna radiating system |
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| CN105490006B (en) * | 2015-12-23 | 2018-07-13 | 西安华为技术有限公司 | A kind of feed structure and antenna radiating system |
| CN108155473B (en) * | 2016-12-06 | 2024-05-14 | 普罗斯通信技术（苏州）有限公司 | Feed structure and base station antenna |
| CN110534924B (en) * | 2019-08-16 | 2021-09-10 | 维沃移动通信有限公司 | Antenna module and electronic equipment |
| CN110444870B (en) * | 2019-10-09 | 2020-01-03 | 华南理工大学 | Base station, broadband dual-polarization filtering magnetoelectric dipole antenna and radiation unit thereof |
| CN115706315A (en) * | 2021-08-10 | 2023-02-17 | 华为技术有限公司 | Antenna device and communication apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800965A (en) * | 2012-07-23 | 2012-11-28 | 电子科技大学 | Broadband wide beam dual-polarization dipole antenna |
| JP5309193B2 (en) * | 2011-07-19 | 2013-10-09 | 電気興業株式会社 | Polarization diversity array antenna device |
| CN204243186U (en) * | 2014-11-06 | 2015-04-01 | 南京澳博阳射频技术有限公司 | A kind of antenna for base station ultra-wideband radiating element |
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| CN201918502U (en) * | 2010-12-07 | 2011-08-03 | 南京恩瑞特实业有限公司 | Broadband high-isolation dual-polarization antenna unit adopting strip line structure |
| JP2017508402A (en) * | 2014-03-17 | 2017-03-23 | クインテル テクノロジー リミテッド | Compact antenna array using virtual rotation of radiation vector |
| CN105490006B (en) * | 2015-12-23 | 2018-07-13 | 西安华为技术有限公司 | A kind of feed structure and antenna radiating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5309193B2 (en) * | 2011-07-19 | 2013-10-09 | 電気興業株式会社 | Polarization diversity array antenna device |
| CN102800965A (en) * | 2012-07-23 | 2012-11-28 | 电子科技大学 | Broadband wide beam dual-polarization dipole antenna |
| CN204243186U (en) * | 2014-11-06 | 2015-04-01 | 南京澳博阳射频技术有限公司 | A kind of antenna for base station ultra-wideband radiating element |
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| WO2017107612A1 (en) | 2017-06-29 |
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