CN206893805U - Dual-polarization radiating unit and Bipolarization antenna for base station - Google Patents
Dual-polarization radiating unit and Bipolarization antenna for base station Download PDFInfo
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- CN206893805U CN206893805U CN201720771385.0U CN201720771385U CN206893805U CN 206893805 U CN206893805 U CN 206893805U CN 201720771385 U CN201720771385 U CN 201720771385U CN 206893805 U CN206893805 U CN 206893805U
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Abstract
A kind of dual-polarization radiating unit and Bipolarization antenna for base station are the utility model is related to, described dual-polarization radiating unit includes base, the first balun to the 4th balun, the first half-wave dipole to the 4th half-wave dipole.First radiation arm is in the same plane to the 8th radiation arm, and is projected as square on base.Firstth, the four, the 5th and the 8th radiation arm is respectively connected with the first loading structure.Second, third, the 6th and the 7th radiation arm be respectively connected with the second loading structure.The direction that first loaded segment is directed away from base is extended, and the second loaded segment is extended towards the first radiation arm to the planar central direction that the 8th radiation arm is formed.The direction that 3rd loaded segment is directed away from base is extended, and the 4th loaded segment is extended towards base direction.Above-mentioned dual-polarization radiating unit, small volume, mutual coupling is small between low-and high-frequency oscillator, and cross polarization is preferable than performance and radiance.
Description
Technical field
Antenna technical field is the utility model is related to, more particularly to a kind of dual-polarization radiating unit and double-polarized base station day
Line.
Background technology
Traditional double-frequency double-polarization base station antenna mainly uses the coaxial arrangement mode of low-and high-frequency radiating element, and by N number of low
Radio-frequency radiation unit forms with 2N high frequency radiating element.High frequency radiating element is arranged between adjacent low frequency radiating element, and
An also embedded high frequency radiating element among each low frequency radiating element.However, it is placed between adjacent low frequency radiating element
The radiation arm hypotelorism of high frequency oscillator and low frequency radiating element, causes low frequency radiating element to be mutually coupled with high frequency oscillator, makes
Into the deterioration of the high and low frequency antenna radiation pattern in double-frequency double-polarization base station antenna, the radiance of double-frequency double-polarization base station antenna
It is relatively low.
Utility model content
Based on this, it is necessary to the defects of overcoming prior art, there is provided a kind of dual-polarization radiating unit and double-polarized base station day
Line, it can reduce volume, and can reduce the mutual coupling between low-and high-frequency oscillator, and radiance is good.
Its technical scheme is as follows：A kind of dual-polarization radiating unit, including：Base, the base are used to be installed in reflecting plate
On；First balun, the second balun, the balun of the 3rd balun the 4th, one end of first balun, the one of second balun
End, one end of one end of the 3rd balun and the 4th balun are connected with the base, first balun, described the
4th balun described in two baluns, the 3rd balun is equidistantly spaced from around the base；First half-wave dipole, the second half-wave shake
Son, the 3rd half-wave dipole and the 4th half-wave dipole, first half-wave dipole, second half-wave dipole, the 3rd half-wave
Oscillator and the 4th half-wave dipole are set gradually around the center of the base, the other end of first balun and described first
Half-wave dipole is connected, and the other end of second balun is connected with second half-wave dipole, the other end of the 3rd balun
It is connected with the 3rd half-wave dipole, the other end of the 4th balun is connected with the 4th half-wave dipole；Wherein, described
One half-wave dipole includes vertically disposed first radiation arm and the second radiation arm, and second half-wave dipole includes vertically disposed
3rd radiation arm and the 4th radiation arm, the 3rd half-wave dipole include vertically disposed 5th radiation arm and the 6th radiation arm,
4th half-wave dipole includes vertically disposed 7th radiation arm and the 8th radiation arm, first radiation arm, the second radiation
Arm, the 3rd radiation arm, the 4th radiation arm, the 5th radiation arm, the 6th radiation arm, the 7th radiation arm and the 8th radiation arm are positioned at same
In plane, first radiation arm, the second radiation arm, the 3rd radiation arm, the 4th radiation arm, the 5th radiation arm, the 6th radiation arm,
7th radiation arm and the 8th radiation arm are projected as square on the base；First radiation arm is away from second spoke
The one end and the described one end of 8th radiation arm away from the 7th radiation arm for penetrating arm are provided with gap, and second radiation arm is remote
One end of first radiation arm and the described one end of 3rd radiation arm away from the 4th radiation arm are provided with gap, and the described 4th
Between radiation arm one end and the described one end of 5th radiation arm away from the 6th radiation arm away from the 3rd radiation arm are provided with
Gap, the one end of the 6th radiation arm away from the 5th radiation arm is with the 7th radiation arm away from the 8th radiation arm
One end is provided with gap；The one end of first radiation arm away from second radiation arm, the 8th radiation arm are away from described
One end of seven radiation arms, the 4th radiation arm one end and the 5th radiation arm away from the 3rd radiation arm are away from described
One end of 6th radiation arm is respectively connected with the first loading structure, and first loading structure includes the first connected loaded segment and the
Two loaded segments, the direction that first loaded segment is directed away from the base are extended, and second loaded segment is described in
First radiation arm, the second radiation arm, the 3rd radiation arm, the 4th radiation arm, the 5th radiation arm, the 6th radiation arm, the 7th radiation arm
And the 8th radiation arm form planar central direction be extended；Second radiation arm away from first radiation arm one
End, the described one end of 3rd radiation arm away from the 4th radiation arm, the 6th radiation arm are away from the 5th radiation arm
One end and the described one end of 7th radiation arm away from the 8th radiation arm are respectively connected with the second loading structure, second loading
Structure includes the 3rd connected loaded segment and the 4th loaded segment, and the 3rd loaded segment is directed away from the direction extension of the base
Set, the 4th loaded segment is extended towards the base direction.
A kind of Bipolarization antenna for base station, including：Reflecting plate and described dual-polarization radiating unit, the base are installed in institute
State on reflecting plate.
Above-mentioned dual-polarization radiating unit and Bipolarization antenna for base station, because the first half-wave dipole is equal to the 4th half-wave dipole
Including vertically disposed radiation arm, i.e. the first half-wave dipole to the 4th half-wave dipole surrounds square, is relative to traditional bore
Circular or rhombus radiating element, reduces volume, and can zoom out the distance between adjacent high frequency oscillator, reduces low-and high-frequency
Mutual coupling between oscillator.In addition, the first loading structure and the second loading structure reduce the mutual coupling between high and low frequency oscillator, and
First loading structure and the second loading structure are different shape, improve the cross polarization ratio property of above-mentioned dual-polarization radiating unit
Can, and ensure that preferable radiance.
In one of the embodiments, first radiation arm, second radiation arm, the 3rd radiation arm, described
4th radiation arm, the 5th radiation arm, the 6th radiation arm, the 7th radiation arm and the 8th radiation arm are and institute
Base is stated to be arranged in parallel.
In one of the embodiments, first loaded segment, the length D1 of the 3rd loaded segment be 5mm~
15mm, second loaded segment, the length D2 of the 4th loaded segment are 10mm~25mm.It so, it is possible preferably to reduce
Performance is compared in mutual coupling between high and low frequency oscillator, the cross polarization for improving above-mentioned dual-polarization radiating unit.
In one of the embodiments, first balun, the second balun, the balun of the 3rd balun the 4th are both with respect to institute
State base to be obliquely installed, and first balun, the second balun, the balun of the 3rd balun the 4th are relative to the inclination of the base
Angle is 40 degree~60 degree.
In one of the embodiments, the square length of side is 130mm~160mm.In this way, the first half-wave dipole is extremely
The bore of the traditional radiating element of relative aperture that 4th half-wave dipole surrounds is small.Preferably, the length of side of square is 146mm.
In one of the embodiments, the base is annular slab, a diameter of 40mm of the center ring of the annular slab~
80mm.In this way, base area becomes big so that the first balun to the 4th balun diminishes to the high frequency polariton effect of centre, Neng Gouti
The radiance of high high band, and on the radiance of low-frequency range without influence.Certainly, in other embodiments, base can also
For square frame-shaped or other polygons.
In one of the embodiments, first balun include the first support arm for being connected with first radiation arm and
The second support arm being connected with second radiation arm, first support arm are arranged at intervals side by side with second support arm,
Second support arm is provided with the groove for being used for installing the first coaxial cable, second support arm and first coaxial cable
Outer conductor be electrically connected with, the inner core of the top of first support arm and first coaxial cable is electrically connected with；Described
Two baluns include with the 3rd radiation arm the 3rd support arm being connected and the 4th support arm being connected with the 4th radiation arm,
3rd support arm is arranged at intervals side by side with the 4th support arm, and the 4th support arm is provided with coaxial for installing second
The groove of cable, the outer conductor of the 4th support arm and second coaxial cable are electrically connected with, the 3rd support arm
Top and the inner core of second coaxial cable are electrically connected with；3rd balun includes the to be connected with the 5th radiation arm
Five support arms and the 6th support arm being connected with the 6th radiation arm, the 5th support arm and the 6th support arm are arranged side by side
It is arranged at intervals, the 5th support arm is provided with the groove for being used for installing triaxial cable, the 5th support arm and described the
The outer conductor of triaxial cable is electrically connected with, and the top of the 6th support arm and the inner core of the triaxial cable electrically connect
Connect；4th balun includes the 7th support arm being connected with the 7th radiation arm and be connected with the 8th radiation arm the
Eight support arms, the 7th support arm are arranged at intervals side by side with the 8th support arm, and the 7th support arm, which is provided with, to be used to fill
If the groove of the 4th coaxial cable, the outer conductor of the 7th support arm and the 4th coaxial cable is electrically connected with, described the
The top of eight support arms and the inner core of the 4th coaxial cable are electrically connected with.
In one of the embodiments, described dual-polarization radiating unit also includes the first feed tab, the second feed tab, the
Three feed tabs and the 4th feed tab, the top of first radiation arm pass through first feed tab and first coaxial cable
Inner core welding, the top of the 3rd radiation arm passes through second feed tab and the inner core of second coaxial cable welds
Connecing, the top of the 6th radiation arm is welded by the inner core of the 3rd feed tab and the triaxial cable, and described the
Welded by the inner core of the 4th feed tab and the 4th coaxial cable on the top of eight radiation arms；First support arm with
Between second support arm, between the 3rd support arm and the 4th support arm, the 5th support arm with described 6th
Equal 3mm~the 10mm in interval between brace, between the 7th support arm and the 8th support arm.In this way, by having additional first
Feed tab, the second feed tab, the 3rd feed tab and the 4th feed tab, it can preferably avoid inner core welding unstable.In addition, each bar
Interval between the support arm of human relations is smaller, and overall volume is smaller.
In one of the embodiments, the base, first balun, second balun, the 3rd balun, institute
State the 4th balun, the first half-wave dipole, the second half-wave dipole, the 3rd half-wave dipole, the 4th half-wave dipole, the first feed tab,
Two feed tabs, the 3rd feed tab and the 4th feed tab are integrated.Specifically, the base, first balun, described
Second balun, the 3rd balun, the 4th balun, the first half-wave dipole, the second half-wave dipole, the 3rd half-wave dipole,
Four half-wave dipoles, the first feed tab, the second feed tab, the 3rd feed tab and the 4th feed tab can use kirsite or aluminium alloy
Integrated die-casting is molded.
Brief description of the drawings
Fig. 1 is the dual-polarization radiating unit structural representation one described in the utility model embodiment；
Fig. 2 is the top view of the dual-polarization radiating unit described in the utility model embodiment；
Fig. 3 is the side view of the dual-polarization radiating unit described in the utility model embodiment；
Fig. 4 is the dual-polarization radiating unit structural representation two described in the utility model embodiment；
Fig. 5 is the enlarged diagram at A in Fig. 4.
10th, base, the 21, first balun, the 211, first support arm, the 212, second support arm, the 22, second balun, 221,
Three support arms, the 222, the 4th support arm, the 23, the 3rd balun, the 231, the 5th support arm, the 232, the 6th support arm, 24, the 4th bars
Human relations, the 241, the 7th support arm, 2412, groove, the 242, the 8th support arm, the 31, first half-wave dipole, the 311, first radiation arm,
312nd, the second radiation arm, the 32, second half-wave dipole, the 321, the 3rd radiation arm, the 322, the 4th radiation arm, the 33, the 3rd half-wave dipole,
331st, the 5th radiation arm, the 332, the 6th radiation arm, the 34, the 4th half-wave dipole, the 341, the 7th radiation arm, the 342, the 8th radiation arm,
40th, the first loading structure, the 41, first loaded segment, the 42, second loaded segment, the 50, second loading structure, the 51, the 3rd loaded segment, 52,
4th loaded segment, the 61, first feed tab, the 62, second feed tab, the 63, the 3rd feed tab, the 64, the 4th feed tab, the 70, the 4th is same
Shaft cable, 71, inner core.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be to be much different from other manner described here to implement, this area
Technical staff can do similar improvement in the case of without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and
It is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define
At least one this feature can be expressed or be implicitly included to the feature of " first ", " second ".In description of the present utility model,
" multiple " are meant that at least two, such as two, three etc., unless otherwise specifically defined.
In description of the present utility model, it is to be understood that when an element is considered as " connection " another element,
Another element can be directly to or may be simultaneously present intermediary element.On the contrary, when element for be referred to as " direct " and
During another element connection, in the absence of intermediary element.
As shown in Figures 1 to 5, a kind of dual-polarization radiating unit, including：Base 10, the first balun 21, the second balun 22,
3rd balun 23, the 4th balun 24, the first half-wave dipole 31, the second half-wave dipole 32, the 3rd half-wave dipole 33 and the 4th half-wave
Oscillator 34.
The base 10 is used to be installed in reflecting plate.One end of first balun 21, the one of second balun 22
The one end at end, one end of the 3rd balun 23 and the 4th balun 24 is connected with the base 10.First balun
21st, second balun 22, the 3rd balun 23 and the 4th balun 24 are equidistantly spaced from around the base 10.Described
One half-wave dipole 31, second half-wave dipole 32, the 3rd half-wave dipole 33 and the 4th half-wave dipole 34 are around described
The center of base 10 is set gradually.The other end of first balun 21 is connected with first half-wave dipole 31, and described second
The other end of balun 22 is connected with second half-wave dipole 32, and the other end and the 3rd half-wave of the 3rd balun 23 shake
Son 33 is connected, and the other end of the 4th balun 24 is connected with the 4th half-wave dipole 34.
Wherein, first half-wave dipole 31 includes the vertically disposed radiation arm 312 of first radiation arm 311 and second.Institute
Stating the second half-wave dipole 32 includes vertically disposed 3rd radiation arm 321 and the 4th radiation arm 322.3rd half-wave dipole 33
Including vertically disposed 5th radiation arm 331 and the 6th radiation arm 332.4th half-wave dipole 34 includes vertically disposed the
Seven radiation arms 341 and the 8th radiation arm 342.First radiation arm 311, the second radiation arm 312, the 3rd radiation arm the 321, the 4th
Radiation arm 322, the 5th radiation arm 331, the 6th radiation arm 332, the 7th radiation arm 341 and the 8th radiation arm 342 are positioned at same flat
On face, first radiation arm 311, the second radiation arm 312, the 3rd radiation arm 321, the 4th radiation arm 322, the 5th radiation arm
331st, the 6th radiation arm 332, the 7th radiation arm 341 and the 8th radiation arm 342 are projected as square on the base 10.Institute
The one end of the first radiation arm 311 away from second radiation arm 312 is stated with the 8th radiation arm 342 away from the described 7th radiation
One end of arm 341 is provided with gap.The one end of second radiation arm 312 away from first radiation arm 311 and the 3rd spoke
Penetrate the one end of arm 321 away from the 4th radiation arm 322 and be provided with gap.4th radiation arm 322 is away from the described 3rd radiation
One end of arm 321 is provided with gap with the described one end of 5th radiation arm 331 away from the 6th radiation arm 332.6th spoke
The one end of arm 332 away from the 5th radiation arm 331 is penetrated with the 7th radiation arm 341 away from the 8th radiation arm 342
One end is provided with gap.
The one end of first radiation arm 311 away from second radiation arm 312, the 8th radiation arm 342 are away from institute
State one end of the 7th radiation arm 341, the described one end and the described 5th of 4th radiation arm 322 away from the 3rd radiation arm 321
The one end of radiation arm 331 away from the 6th radiation arm 332 is respectively connected with the first loading structure 40.First loading structure 40
Including connected the first loaded segment 41 and the second loaded segment 42.First loaded segment 41 is directed away from the direction of the base 10
It is extended, second loaded segment 42 is towards first radiation arm 311, the second radiation arm 312, the 3rd radiation arm 321, the
Four radiation arms 322, the 5th radiation arm 331, the 6th radiation arm 332, the 7th radiation arm 341 and the 8th radiation arm 342 are formed flat
Face center position is extended.
The one end of second radiation arm 312 away from first radiation arm 311, the 3rd radiation arm 321 are away from institute
State one end of the 4th radiation arm 322, the described one end and the described 7th of 6th radiation arm 332 away from the 5th radiation arm 331
The one end of radiation arm 341 away from the 8th radiation arm 342 is respectively connected with the second loading structure 50.Second loading structure 50
Including connected the 3rd loaded segment 51 and the 4th loaded segment 52.3rd loaded segment 51 is directed away from the direction of the base 10
It is extended, the 4th loaded segment 52 is extended towards the direction of base 10.
Above-mentioned dual-polarization radiating unit, because the half-wave dipole 34 of the first half-wave dipole 31 to the 4th includes being vertically arranged
Radiation arm, i.e. the half-wave dipole 34 of the first half-wave dipole 31 to the 4th surrounds square, is circular or water chestnut relative to traditional bore
The radiating element of shape, volume is reduced, and the distance between adjacent high frequency oscillator can be zoomed out, between reduction low-and high-frequency oscillator
Mutual coupling.In addition, the first loading structure 40 and the second loading structure 50 reduce the mutual coupling between high and low frequency oscillator, and first
The loading structure 50 of loading structure 40 and second is different shape, improves the cross polarization ratio property of above-mentioned dual-polarization radiating unit
Can, and ensure that preferable radiance.
It is first radiation arm 311, second radiation arm 312, the 3rd radiation arm 321, described in the present embodiment
4th radiation arm 322, the 5th radiation arm 331, the 6th radiation arm 332, the 7th radiation arm 341 and the described 8th
Radiation arm 342 be arranged in parallel with the base 10.
In addition, first loaded segment 41, the length D1 of the 3rd loaded segment 51 are 5mm~15mm, described second
Loaded segment 42, the length D2 of the 4th loaded segment 52 are 10mm~25mm.It so, it is possible preferably to reduce high and low frequency vibration
Performance is compared in mutual coupling between son, the cross polarization for improving above-mentioned dual-polarization radiating unit.
In addition, first balun 21, the second balun 22, the 3rd balun 23 and the 4th balun 24 are both with respect to the base
10 are obliquely installed, and first balun 21, the second balun 22, the 3rd balun 23 and the 4th balun 24 are relative to the base 10
Angle of inclination be 40 degree~60 degree.
Further, the square length of side is 130mm~160mm.In this way, the half-wave of the first half-wave dipole 31 to the 4th
The bore of the traditional radiating element of relative aperture that oscillator 34 surrounds is small.It is preferred that the length of side of square is 146mm.
Further, the base 10 is annular slab.A diameter of 40mm~80mm of the center ring of the annular slab.Such as
This, the area of base 10 becomes big so that the balun 24 of the first balun 21 to the 4th diminishes to the high frequency polariton effect of centre, it is possible to increase
The radiance of high band, and on the radiance of low-frequency range without influence.Certainly, in other embodiments, base 10 can also
For square frame-shaped or other polygons.
Further, first balun 21 include the first support arm 211 for being connected with first radiation arm 311 and with
The second connected support arm 212 of second radiation arm 312.First support arm 211 and second support arm 212 are arranged side by side
It is arranged at intervals.Second support arm 212 be provided be used for install the first coaxial cable groove, second support arm 212 with
The outer conductor of first coaxial cable is electrically connected with, the top of first support arm 211 and first coaxial cable
Inner core is electrically connected with.Second balun 22 include the 3rd support arm 221 that is connected with the 3rd radiation arm 321 and with it is described
The 4th connected support arm 222 of 4th radiation arm 322.3rd support arm 221 is spaced side by side with the 4th support arm 222
Set.4th support arm 222 be provided be used for install the second coaxial cable groove, the 4th support arm 222 with it is described
The outer conductor of second coaxial cable is electrically connected with, the top of the 3rd support arm 221 and the inner core of second coaxial cable
It is electrically connected with.3rd balun 23 includes the 5th support arm 231 that is connected with the 5th radiation arm 331 and with the described 6
The 6th connected support arm 232 of radiation arm 332.Interval is set 5th support arm 231 side by side with the 6th support arm 232
Put, the 5th support arm 231 is provided with the groove for being used for installing triaxial cable, the 5th support arm 231 and described the
The outer conductor of triaxial cable is electrically connected with, the top of the 6th support arm 232 and the inner core electricity of the triaxial cable
Property connection.4th balun 24 include the 7th support arm 241 that is connected with the 7th radiation arm 341 and with the 8th spoke
Penetrate the 8th connected support arm 242 of arm 342.7th support arm 241 is arranged at intervals side by side with the 8th support arm 242,
7th support arm 241 is provided with the groove 2412 (as shown in figs. 4 and 5) for being used for installing the 4th coaxial cable 70.Described
The outer conductor of seven support arms 241 and the 4th coaxial cable 70 is electrically connected with, the top of the 8th support arm 242 with it is described
The inner core 71 of 4th coaxial cable 70 is electrically connected with.
Further, described dual-polarization radiating unit also includes the first feed tab 61, the second feed tab the 62, the 3rd is presented
The electric feed tab 64 of piece 63 and the 4th.The top of first radiation arm 311 is same by first feed tab 61 and described first
The inner core welding of shaft cable, the top of the 3rd radiation arm 321 passes through second feed tab 62 and second coaxial electrical
The inner core welding of cable, the top of the 6th radiation arm 332 pass through the 3rd feed tab 63 and the triaxial cable
Inner core welds, and the top of the 8th radiation arm 342 passes through in the 4th feed tab 64 and the 4th coaxial cable 70
Core welds.In this way, by having additional the first feed tab 61, the second feed tab 62, the 3rd feed tab 63 and the 4th feed tab 64, energy
It is enough preferably to avoid inner core welding unstable.
In addition, between first support arm 211 and second support arm 212, the 3rd support arm 221 and described the
Between four support arms 222, between the 5th support arm 231 and the 6th support arm 232, the 7th support arm 241 with it is described
Equal 3mm~the 10mm in interval between 8th support arm 242.In this way, the interval between the support arm of each balun is smaller, overall volume compared with
It is small.
In the present embodiment, the base 10, first balun 21, second balun 22, the 3rd balun 23, institute
State the 4th balun 24, the first half-wave dipole 31, the second half-wave dipole 32, the 3rd half-wave dipole 33, the 4th half-wave dipole 34, first
Feed tab 61, the second feed tab 62, the 3rd feed tab 63 and the 4th feed tab 64 are integrated.Specifically, the base
10th, first balun 21, second balun 22, the 3rd balun 23, the 4th balun 24, the first half-wave dipole
31st, the second half-wave dipole 32, the 3rd half-wave dipole 33, the 4th half-wave dipole 34, the first feed tab 61, the second feed tab 62,
Three feed tabs 63 and the 4th feed tab 64 can use kirsite or aluminium alloy integrated die-casting to be molded.
A kind of Bipolarization antenna for base station, including：Reflecting plate and described dual-polarization radiating unit, the base 10 are installed in
On the reflecting plate.The technique effect of described Bipolarization antenna for base station is brought by dual-polarization radiating unit, with dual polarised radiation
The technique effect of unit is identical, without repeating.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. dual-polarization radiating unit, it is characterised in that including：Base, the base are used to be installed in reflecting plate；First balun, the second balun, the balun of the 3rd balun the 4th, one end of first balun, the one of second balun End, one end of one end of the 3rd balun and the 4th balun are connected with the base, first balun, described the 4th balun described in two baluns, the 3rd balun is equidistantly spaced from around the base；First half-wave dipole, the second half-wave dipole, the 3rd half-wave dipole and the 4th half-wave dipole, first half-wave dipole, institute State the second half-wave dipole, the 3rd half-wave dipole and the 4th half-wave dipole to set gradually around the center of the base, institute The other end for stating the first balun is connected with first half-wave dipole, and the other end of second balun shakes with second half-wave Son connection, the other end of the 3rd balun is connected with the 3rd half-wave dipole, the other end of the 4th balun with it is described 4th half-wave dipole connects；Wherein, first half-wave dipole includes vertically disposed first radiation arm and the second radiation arm, and second half-wave shakes Attached bag includes vertically disposed 3rd radiation arm and the 4th radiation arm, and the 3rd half-wave dipole includes the vertically disposed 5th radiation Arm and the 6th radiation arm, the 4th half-wave dipole include vertically disposed 7th radiation arm and the 8th radiation arm, and described first Radiation arm, the second radiation arm, the 3rd radiation arm, the 4th radiation arm, the 5th radiation arm, the 6th radiation arm, the 7th radiation arm and Eight radiation arms are in the same plane, first radiation arm, the second radiation arm, the 3rd radiation arm, the 4th radiation arm, the 5th spoke Penetrate arm, the 6th radiation arm, the 7th radiation arm and the 8th radiation arm and be projected as square on the base；The one end of first radiation arm away from second radiation arm is with the 8th radiation arm away from the 7th radiation arm One end be provided with gap, the one end of second radiation arm away from first radiation arm is with the 3rd radiation arm away from described One end of 4th radiation arm is provided with gap, the one end of the 4th radiation arm away from the 3rd radiation arm and the described 5th radiation The one end of arm away from the 6th radiation arm is provided with gap, the 6th radiation arm one end and institute away from the 5th radiation arm State the one end of the 7th radiation arm away from the 8th radiation arm and be provided with gap；The one end of first radiation arm away from second radiation arm, the 8th radiation arm are away from the 7th radiation arm One end, the 4th radiation arm one end and the 5th radiation arm away from the 3rd radiation arm are away from the 6th radiation arm One end be respectively connected with the first loading structure, first loading structure includes the first connected loaded segment and the second loaded segment, The direction that first loaded segment is directed away from the base is extended, and second loaded segment radiates towards described first Arm, the second radiation arm, the 3rd radiation arm, the 4th radiation arm, the 5th radiation arm, the 6th radiation arm, the 7th radiation arm and the 8th spoke The planar central direction for penetrating arm composition is extended；The one end of second radiation arm away from first radiation arm, the 3rd radiation arm are away from the 4th radiation arm One end, the 6th radiation arm one end and the 7th radiation arm away from the 5th radiation arm are away from the 8th radiation arm One end be respectively connected with the second loading structure, second loading structure includes the 3rd connected loaded segment and the 4th loaded segment, The direction that 3rd loaded segment is directed away from the base is extended, and the 4th loaded segment is prolonged towards the base direction Stretch setting.
- 2. dual-polarization radiating unit according to claim 1, it is characterised in that first radiation arm, second spoke Penetrate arm, the 3rd radiation arm, the 4th radiation arm, the 5th radiation arm, the 6th radiation arm, the 7th radiation Arm and the 8th radiation arm be arranged in parallel with the base.
- 3. dual-polarization radiating unit according to claim 1, it is characterised in that first loaded segment, the described 3rd add Carry section length D1 be 5mm~15mm, second loaded segment, the length D2 of the 4th loaded segment be 10mm~ 25mm。
- 4. dual-polarization radiating unit according to claim 1, it is characterised in that first balun, the second balun, the 3rd The balun of balun the 4th is obliquely installed both with respect to the base, and first balun, the second balun, the 3rd balun the 4th Balun is 40 degree~60 degree relative to the angle of inclination of the base.
- 5. dual-polarization radiating unit according to claim 1, it is characterised in that the square length of side be 130mm~ 160mm。
- 6. dual-polarization radiating unit according to claim 1, it is characterised in that the base is annular slab, the annular A diameter of 40mm~80mm of the center ring of plate.
- 7. dual-polarization radiating unit according to claim 1, it is characterised in that first balun includes and described first The first connected support arm of radiation arm and the second support arm being connected with second radiation arm, first support arm with it is described Second support arm is arranged at intervals side by side, second support arm be provided be used for install the first coaxial cable groove, described second The outer conductor of support arm and first coaxial cable is electrically connected with, the top of first support arm and first coaxial electrical The inner core of cable is electrically connected with；Second balun includes the 3rd support arm that is connected with the 3rd radiation arm and with the described 4 The 4th connected support arm of radiation arm, the 3rd support arm are arranged at intervals side by side with the 4th support arm, described 4th Brace is provided with the groove for being used for installing the second coaxial cable, the outer conductor electricity of the 4th support arm and second coaxial cable Property connection, the top of the 3rd support arm and the inner core of second coaxial cable are electrically connected with；3rd balun includes With the 5th radiation arm the 5th support arm being connected and the 6th support arm being connected with the 6th radiation arm, described 5th Brace is arranged at intervals side by side with the 6th support arm, and the 5th support arm, which is provided with, to be used to install the recessed of triaxial cable Groove, the outer conductor of the 5th support arm and the triaxial cable are electrically connected with, the top of the 6th support arm and institute The inner core for stating triaxial cable is electrically connected with；4th balun includes the 7th support arm being connected with the 7th radiation arm And the 8th support arm being connected with the 8th radiation arm, interval is set the 7th support arm side by side with the 8th support arm Put, the 7th support arm is provided with the groove for being used for installing the 4th coaxial cable, the 7th support arm and the described 4th coaxial The outer conductor of cable is electrically connected with, and the top of the 8th support arm is electrically connected with the inner core of the 4th coaxial cable.
- 8. dual-polarization radiating unit according to claim 7, it is characterised in that also including the first feed tab, the second feed Piece, the 3rd feed tab and the 4th feed tab, the top of first radiation arm are same by first feed tab and described first The inner core welding of shaft cable, the top of the 3rd radiation arm pass through in second feed tab and second coaxial cable Core is welded, and the top of the 6th radiation arm is welded by the inner core of the 3rd feed tab and the triaxial cable, institute Welded by the inner core of the 4th feed tab and the 4th coaxial cable on the top for stating the 8th radiation arm；First support Between arm and second support arm, between the 3rd support arm and the 4th support arm, the 5th support arm and described the Equal 3mm~the 10mm in interval between six support arms, between the 7th support arm and the 8th support arm.
- 9. dual-polarization radiating unit according to claim 8, it is characterised in that the base, first balun, described Second balun, the 3rd balun, the 4th balun, the first half-wave dipole, the second half-wave dipole, the 3rd half-wave dipole, Four half-wave dipoles, the first feed tab, the second feed tab, the 3rd feed tab and the 4th feed tab are integrated.
- A kind of 10. Bipolarization antenna for base station, it is characterised in that including：Reflecting plate and as described in any one of claim 1 to 9 Dual-polarization radiating unit, the base are installed on the reflecting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720771385.0U CN206893805U (en) | 2017-06-28 | 2017-06-28 | Dual-polarization radiating unit and Bipolarization antenna for base station |
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| CN201720771385.0U CN206893805U (en) | 2017-06-28 | 2017-06-28 | Dual-polarization radiating unit and Bipolarization antenna for base station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900530A (en) * | 2020-07-09 | 2020-11-06 | 佛山市粤海信通讯有限公司 | 4TR radiating element for mobile communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900530A (en) * | 2020-07-09 | 2020-11-06 | 佛山市粤海信通讯有限公司 | 4TR radiating element for mobile communication |
| CN111900530B (en) * | 2020-07-09 | 2021-09-24 | 佛山市粤海信通讯有限公司 | 4TR radiating element for mobile communication |
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