CN108879115A - The base station radiating element and antenna of integrated filter - Google Patents
The base station radiating element and antenna of integrated filter Download PDFInfo
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- CN108879115A CN108879115A CN201810636506.XA CN201810636506A CN108879115A CN 108879115 A CN108879115 A CN 108879115A CN 201810636506 A CN201810636506 A CN 201810636506A CN 108879115 A CN108879115 A CN 108879115A
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- Prior art keywords
- radiating element
- radiation
- base station
- integrated filter
- antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Abstract
The invention discloses the base station radiating elements and antenna of a kind of integrated filter, including supporting element and feed structure, supporting element is provided with multiple radiation components, supporting element between adjacent two radiation component is equipped with separate slot, multiple separate slots combine to form pockets, filtering unit is provided on feed structure, feed structure and filtering unit are arranged in pockets；Antenna includes the radiating element.The base station radiating element and antenna of integrated filter of the invention have good Out-of-band rejection ability, reduce influencing each other between low frequency radiation array and high frequency radiation array；By on the basis of not influencing radiating element radiation characteristic, enormously simplifying the overall structure and processing technology of radiating element for filtering unit and the integrated setting of feed tab.
Description
Technical field
The present invention relates to the base station radiating element of a kind of radiating element more particularly to a kind of integrated filter and include the spoke
Penetrate the antenna of unit.
Background technique
Nowadays, forth generation mobile communication system is commercial on a large scale, telecommunications 800MHz LTE networking, mobile 2.6GHz
The continuous dilatation of TDD4G network, original 900MHz and 1800MHz 2G, 3G network are also runed at the same time.In this case, may be used
For the ground resource growing tension of base station selection, problem is also more serious, and the electronic equipments such as mobile phone are more for harassing between network
It is toggled between kind network, causes data to transmit unstable, network Caton, or even suspension phenomenon occurs.Therefore it provides communication
The main body of service faces the increasing pressure, optimizes and has become a top priority to wireless network.
Base station can be reduced using small-bore multifrequency ultra-wideband antenna to build a station cost, improve aerial radiation mouth face using effect
Rate, but easily interfered with each other between the high and low frequency of this antenna, the noise floor for influencing system is horizontal, seriously reduces whole
The stability of a network operation.Therefore, interfering with each other between multifrequency antenna low-and high-frequency how is reduced, it has also become Antenna Design neck
The important research direction in domain.
Currently, the method generallyd use is, in low-and high-frequency day in order to inhibit the interference problem between multifrequency antenna low-and high-frequency
The main feed line end of linear array is equipped with filter, and filter is mostly PCB filter or cavity body filter.The volume of cavity body filter and
Weight is excessive, and debugging is difficult；PCB filter is although small in size, but loss is larger, and batch consistency is poor.
Application No. is the Chinese patents that the 201410216961.6, applying date is on May 20th, 2014 " to have noiseproof feature
Double frequency filter antenna ", using the technical solution of radiating element configuration filter, radiating element individually sets with filter
Meter, is printed on same medium substrate.The antenna structure manufactured in this way is complicated, and whole process greatly increases
The quantity for having added solder joint, there are the hidden danger of third order intermodulation.
In Publication No. DE102015007503A1, the German patent document that publication date is on December 15th, 2016, propose
The mentality of designing that filter and radiating element are integrated, is fixed by integrating filter into feed tab, and with supporting element
Connection, to realize the transmission of signal.Due to TEM mould subject to the electromagnetic transmission main mould of this class formation, filter can excite high order
Mould influences the radiation characteristic of low frequency radiating element, therefore, by filter after the integration and feeds setting half on the outside of chip architecture
The package wall (as shown in Figure 8) of annular, integrated morphology is wrapped in interior, shields the interference of higher mode.
But although above scheme can reach preferable higher mode shield effectiveness, higher mode is reduced to low frequency radiation list
The interference of member, but due to the radiating element complicated integral structure after integrating, it is complicated to lead to processing technology, and difficulty of processing is big, at
The defect rate of product is higher, and processing cost greatly increases.
Summary of the invention
The present invention provides the base station radiating elements and antenna of a kind of integrated filter, not only transmit with excellent signal
Effect and filter effect, and integrated level is high, structure is simple, compact dimensions, easy to process, specific technical solution is as follows：
A kind of base station radiating element of integrated filter, including supporting element and feed structure, are provided with more around supporting element
A radiation component, the supporting element between adjacent two radiation component are equipped with separate slot, and multiple separate slots combine to form pockets, feed
Filtering unit is provided in structure, feed structure and filtering unit are arranged in pockets.
Further, supporting element includes multiple support portions, and multiple support portions are arranged at rotational symmetry.
Further, support portion includes two side plates being vertically arranged, and two opposite side plates of adjacent two support portion are mutually flat
It goes, is formed with separate slot between two parallel side plates.
Further, the quantity of support portion and the quantity of radiation component are identical, and a radiation is correspondingly arranged on each support portion
Part, multiple radiation components are in the same plane, and multiple radiation components are around the central axes of supporting element in rotational symmetry.
Further, two side plates on same support portion are arranged in a mutually vertical manner.
Further, two adjacent separate slots of position are mutually perpendicular to, and two opposite separate slots of position are located along the same line, and four
A support portion forms four separate slots and collectively constitutes criss-cross pockets.
Further, it is provided with top plate at the upper end opening of two side plates of support portion, interconnecting piece, radiation component is provided on top plate
It is connected with interconnecting piece, to be fixed on support portion.
Further, including bottom plate, the bottom end of multiple support portions are fixed on bottom plate, and multiple support portions is made to be connected as one
A entirety.
Further, feed structure includes at least one feed tab, and filtering unit includes at least one open circuit minor matters, branch of opening a way
Section is fixedly connected in feed tab in pockets.
Further, the quantity for minor matters of opening a way is three, and the outside of feed tab fixing end is arranged in two of them open circuit minor matters,
The bending part of two open circuit minor matters is opposite to be bent, and the inside of feed tab fixing end is arranged in third open circuit minor matters, is located at outside
Between two open circuit minor matters.
Further, the length for minor matters of opening a way is to inhibit the quarter-wave of high frequency.
Further, feed structure includes two feed tabs, and two feed tab square crossings stack, and forms cross-shaped structure,
Cross feed tab is arranged in pockets.
Further, filtering unit is Stepped Impedance low-pass filter.
Further, radiation component is cylindrical hollow cylinder structure.
A kind of antenna, the base station radiating element including above-mentioned integrated filter.
Further, including submatrix and reflecting plate are radiated, radiation submatrix is arranged on reflecting plate, and radiation submatrix includes low frequency spoke
Unit and high frequency radiating element are penetrated, low frequency radiating element includes four radiation components, and two neighboring radiation component is mutually perpendicular to, opposite
Straight line where two radiation components or the side for being parallel to reflecting plate, or perpendicular to the side of reflecting plate, adjacent two radiation component it
Between high frequency radiating element is set.
Further, including multiple radiation submatrixs, multiple radiation submatrixs are sequentially arranged on reflecting plate, two neighboring radiator
There are two high frequency radiating element, two high frequency radiating elements are separately positioned on the two sides of reflecting plate for the middle position setting of battle array, with
The high frequency radiating element radiated in submatrix is aligned setting.
Further, the longitudinal pitch between two neighboring high frequency radiating element is 100mm-120mm, two adjacent low frequencies
Spacing between radiating element is 320mm-340mm.
The base station radiating element of integrated filter of the invention has good Out-of-band rejection ability, reduces low frequency spoke
Penetrate influencing each other between array and high frequency radiation array.By by filtering unit and the integrated setting of feed tab, not
On the basis of influencing radiating element radiation characteristic, the overall structure and processing technology of radiating element are enormously simplified.Integrating filtering
The feed tab of component substantially reduces the connection type of welding, is conducive to the consistency of production and the stability of third order intermodulation.
Antenna of the invention can be not limited to the setting form an of low frequency radiating element and two high frequency radiating element arrays,
It can be extended to the group formation formula of multiple low frequency radiating elements and multiple high frequency radiating elements, to realize the communication of more multiband,
And the electrical specifications of the antenna are good, installation is very convenient, and processing, installation cost are low.
Detailed description of the invention
Fig. 1 is the perspective view of the base station radiating element of integrated filter of the invention.
Fig. 2 is the cross-sectional view of the base station radiating element of integrated filter of the invention.
Fig. 3 is that the base station radiating element of integrated filter is applied the structural schematic diagram on antenna.
Fig. 4 is that the base station radiating element of integrated filter is applied the structural schematic diagram on antenna.
Fig. 5 is the top view of antenna of the invention.
Fig. 6 is the perspective view of antenna of the invention.
Fig. 7 is the directional diagram of antenna of the invention in HFSS emulation.
Fig. 8 is a kind of structural schematic diagram of radiating element in the prior art.
Fig. 9 is the structural schematic diagram of the embodiment two of the base station radiating element of integrated filter of the invention.
Specific embodiment
In order to be best understood from the purpose of the present invention, function and specific design scheme, with reference to the accompanying drawing to the present invention
Integrated filter base station radiating element and antenna be described in further detail.
The base station radiating element of integrated filter of the invention includes supporting element, integrated package and radiation assembly, radiation group
Part and integrated package are arranged on supporting element, and supporting element is used to support and fixes radiation assembly and integrated package.
Integrated package includes feed tab and filtering unit, and filtering unit is integrated in feed tab, to reduce between low-and high-frequency
Interfere with each other.Integrated package is fixed on supporting element.
Radiation assembly includes the identical radiation component of multiple size shapes, and multiple radiation components are fixedly installed around supporting element, around
The central point of supporting element is in rotational symmetry, and the distance between two radiation components for being located at adjacent position are equal.
Radiation component separate slot is provided between two radiation components of adjacent position, radiation component separate slot can will be located at adjacent bit
Two radiation components set are spaced apart, to guarantee radiating element normal transmission signal.Integrated package is arranged in radiation component separate slot.
Embodiment one
Below for comprising the radiating element there are four radiation component, in conjunction with attached drawing, to integrated filter of the invention
Base station radiating element and antenna are described in detail.
As depicted in figs. 1 and 2, the base station radiating element of integrated filter of the invention includes supporting element 1, and supporting element 1 wraps
Include the identical support portion 11 of four size shapes.Support portion 11 includes two sizes, the identical rectangular side of shape being vertically arranged
One long side of plate 12, two side plates 12 is fixedly connected, and is arranged in a mutually vertical manner both side plate 12, forms right-angle side.
Being horizontally disposed in the opening that 12 upper end of both side plate is formed has top plate 13, and top plate 13 is isosceles right triangle, waist
Length is equal with the bond length of side plate 12.Two waists of top plate 13 are fixedly connected with the top edge of both side plate 12, make both side plate 12
Upper opening closure.
As depicted in figs. 1 and 2, four support portions 11 are arranged in rotational symmetry, and the right-angle side of each support portion 11 is opposite two-by-two.
Two support portions 11 in adjacent position, two mutually close side plates 12 are parallel to each other, and make to form separate slot between both side plate 12
14；Two mutually separate side plates 12 are located in same level.
The bottom end of four support portions 11 is additionally provided with bottom plate 15, and bottom plate 15 is fixedly connected with the bottom margin of each support portion 11,
Four support portions 11 are made to be fixedly connected as an entirety, to form supporting element 1.Due to being formed between two neighboring support portion 11
Separate slot 14, and be formed by four 14 size shapes of separate slot and be equal, therefore, four support portions 11 are combined, and can make to prop up
The intermediate position of support member 1 forms criss-cross pockets 2.
It should be noted that the integrally formed technique processing and manufacturing of mold can be used in above-mentioned supporting element 1, more plates can also be used
The technique assembling machine-shaping of welding does not limit this in the application.
As shown in Fig. 2, being fixedly installed feed tab 3 in pockets 2, feed tab 3 is the slender sheet structure of bending, packet
Fixing end 31 and open end 32 are included, fixing end 31 and open end 32 are each perpendicular to bottom plate 15.Wherein, fixing end 31 passes through fixing seat
33 are fixedly connected with bottom plate 15；Open end 32 is not in contact at open-circuit condition with supporting element 1；In fixing end 31 and open end 32
The interconnecting piece 35 at end is in horizontally disposed.
The centre of interconnecting piece 35 offers card slot, and 35 square crossing of interconnecting piece of two feed tabs 3 stacks, and passes through card slot phase
Mutually engaging forms cross-shaped structure, matches with criss-cross 2 shape of pockets.Intersect two feed tabs 3 stacked to be embedded
At the center of pockets 2, each feed tab 3 side plate 12 adjacent thereto is parallel to each other, and covered without departing from side plate 12
Range.
Open circuit minor matters 34 are equipped at fixing end 31, open circuit minor matters 34 are elongated strip structure, the sheet of one end and feed tab 3
Body is fixedly connected, and the other end extends to the outside far from 3 ontology of feed tab.As shown in Fig. 2, in order to make the complete position of minor matters 34 of opening a way
In the inside of separate slot 14, the outside of adjacent both side plate 12 is not extended to, it can be curved along the vertical direction by the end for minor matters 34 of opening a way
Folding setting, keeps bending part parallel with fixing end 31.
Open circuit minor matters 34 can be set to one or more, and one or more open circuit minor matters 34 and feed tab 3 are integrally formed, and
It is in the same plane with feed tab 3.Open circuit minor matters 34 may be provided at the inside of fixing end 31, outside or inside and outside, open circuit
The end of minor matters 34 can vertically be folded upward at or bend downward, and not limit this in the application.Each open circuit minor matters
34 length is about to inhibit the quarter-wave of high frequency.
Preferably, as shown in Fig. 2, there are three the open circuit settings of minor matters 34, two of them open a way the setting of minor matters 34 in fixing end
31 outside, the bending part of two open circuit minor matters 34 is opposite to be bent；The inside of fixing end 31, position is arranged in another open circuit minor matters 34
Between the open circuit minor matters 34 of outside two.Three open circuit minor matters 34 are respectively positioned in the separate slot 14 that adjacent both side plate 12 is formed, and are not prolonged
Stretch out the outside of adjacent both side plate 12.
The above-mentioned integrally disposed feed tab 3 for having open circuit minor matters 34 is arranged in pockets 2, and feed tab 3 is adjacent thereto
Four support portion side plates 12 quasi- strip lines configuration is collectively formed.Quasi- strip lines configuration can generate shielding effect to the higher mode of excitation
Fruit.
Open circuit minor matters 34 can play the role of filter, and by that will open a way, minor matters 34 are integrated into feed tab, both can letter
Change the structure and processing technology of radiating element, and the mutual shadow between low frequency radiation array and high frequency radiation array can be reduced
It rings, inhibits the interference between multifrequency antenna low-and high-frequency.By the bending setting of minor matters 34 that will open a way, feed tab 3 and open circuit branch can be made
Section 34 is respectively positioned in separate slot 14, i.e., between adjacent both side plate 12, so that feed tab 3 and open circuit minor matters 34 obtain good shielding,
It prevents during electromagnetic transmission, the higher mode that open circuit minor matters 34 excite influences the radiation characteristic of low frequency radiating element.
In addition, above-mentioned open circuit minor matters 34 may be replaced by Stepped Impedance low-pass filter.By high and low characteristic impedance line
Section is alternately arranged, and is integrated in inside and outside feed tab, makes high and low characteristic impedance line segment and feed tab is in a center of symmetry sets
It sets, to reduce influencing each other between low frequency radiation array and high frequency radiation array.Since Stepped Impedance low-pass filter is same
It is arranged in the separate slot 14 of supporting element 1, under the shielding action of side plate 12, also can reduce the higher mode of filter generation to low
The influence of radio-frequency radiation unit radiation characteristic.
As shown in Fig. 2, being provided with protruding portion 16 on the top plate 13 of support portion 11, protruding portion 16 is located at triangle top plate 13
Bottom edge middle position.Radiation arm 4 is connected on protruding portion 16, radiation arm 4 is cylindrical hollow cylinder, it is horizontally disposed with, and with
The bottom edge of top plate 13 is perpendicular.Fixing sleeve is equipped with circle plug made of insulating materials, the outer diameter and spoke of circle plug on protruding portion 16
The internal diameter for penetrating arm 4 matches, and radiation arm 4 is set in circle beyond the Great Wall, to be fixedly connected with protruding portion 16.
It is separately connected on four support portions 11 there are four radiation arm 4, four radiation arms 4 are generally aligned in the same plane, adjacent position
Two radiation arms 4 be mutually perpendicular to, two radiation arms 4 of relative position are on the same line.
Two radiation arms 4 positioned at relative position are one group, and two groups of radiation arms 4 form the dipole of two pairs of polarization orthogonals,
Two feed tabs 3 being arranged in pockets 2 are corresponded with two electrode couple respectively, and feed tab 3 can give corresponding
A pair of of dipole feed.
After feed tab 3 is activated, radio-frequency current be can be effectively suppressed by open circuit minor matters 34, open circuit minor matters 34 with outer letter
Number, and the radiation characteristic of low frequency radiating element is not influenced.RF energy is coupled at supporting element 1 by feed tab 3, then through supporting
Part 1 is coupled on radiation arm 4, to form electromagenetic wave radiation.
Certainly, above-mentioned radiation arm 4 can also be other shapes, such as：Solid cylinder structure, hollow rectangular cylinder knot
Structure, plate structure of hollow out etc., do not limit this in the application.
In addition, between radiation arm 4 and supporting element 1, it, can also be using the side being directly connected in addition to using coupled modes connection
Formula is directly installed on for example, processing fixed mounting hole by supporting element 1 and 4 integrated molding of radiation arm, or on radiation arm 4
On radiation arm 4.
Fig. 8 is a kind of radiating element (public affairs i.e. described in background technology for being integrated with filter common in the art
The number of opening is one of the embodiment of Deutsche Bundespatent of DE102015007503A1), which includes the rectangle spoke of four hollow outs
Arm 4a is penetrated, function is to radiate the energy at feed tab outward in the form of an electromagnetic wave, the spoke being equivalent in the present invention
Penetrate arm 4.Semicylindrical shielding trench 14b there are four being vertically arranged on supporting element 1a, four shielding trench 14b have collectively constituted cross
The shield assembly of shape is equivalent in the present invention for shielding installation feed tab inside it and filter, the function of the structure
The function of pockets 2.
In Fig. 8, separate slot 14a is formed between two neighboring radiation arm 4a, the function of the structure is equivalent to interval of the present invention
The function of slot 14.It should be strongly noted that in the design process of antenna, the separate slot structure that is arranged between adjacent two radiation arm
For conventional necessary design structure, length, the width equidimension of separate slot structure have corresponding calculation method.That is, phase
It must be provided with separate slot 14 (or 14a) between adjacent two radiation arms 4 (or 4a), can guarantee that radiating element normally completes electromagnetic wave
Radiation.
In conjunction with the radiative unit structure and radiative unit structure of the invention of above-described existing design, collection of the invention
It is had the following advantages that at the base station radiating element of filter：
1, the structure of radiating element is simplified.
Separate slot 14 (and the pockets 2 being made of four separate slots 14) in the present invention, by shielding in the prior art
Slot 14b and the function of separate slot 14a are combined into one, and have both met the designing points for the separate slot structure that must include in Antenna Design,
Separate slot structure itself is utilized simultaneously, forms the shielding space (i.e. pockets 2) that can shield feed tab and filtering unit, with screen
Cover the higher mode of filtering unit excitation.
The design method of radiating element of the invention is right on the basis of not influencing radiating element good radiation characteristic
Structure is simplified and has been optimized, and it is more compact, light to make the overall structure of radiating element, and then obtains the overall structure of antenna
To optimization.
2, the processing technology of radiating element is simplified.
The radiating element of existing design as shown in Figure 8, the side wall of shielding trench 14b is arc-shaped plate structure, this
The problem that plating is uneven, thickness of coating is inconsistent easily occurs during carrying out electroplating technology for arc-shaped structure, not only shadow
The whole electroplating effect for ringing part, also increases the difficulty of processing technology.
Radiating element of the invention as shown in Figure 1 does not contain curved-surface structure in supporting element 1, for form accommodate it is recessed
Each surface of slot 2 is plane.Therefore, coating surface is uniform in the plating process, thickness of coating is consistent for supporting element 1, not only
Electroplating effect is improved, while simplifying the processing technology of radiating element.
Antenna of the invention as shown in Figure 5 and Figure 6, including low frequency radiating element 5, high frequency radiating element 6 and reflecting plate
7, low frequency radiating element 5 and high frequency radiating element 6 are fixed on reflecting plate 7.
Reflecting plate 7 is elongated banded structure, and multiple high frequency radiating elements 6 are sequentially arranged in the side of 7 two sides of reflecting plate
On position.Be located along the same line positioned at ipsilateral multiple high frequency radiating elements 6, the straight line parallel in the side of reflecting plate 7, and
Spacing between multiple high frequency radiating elements 6 is equal；Two high frequency radiating elements 6 positioned at opposite side are located along the same line, should
Side of the straight line perpendicular to reflecting plate 7.
Multiple low frequency radiating elements 5 are sequentially arranged setting along the center line of reflecting plate 7.As shown in Figure 3 and Figure 4, low frequency spoke
The supporting element 1 for penetrating unit 5 is fixed at the square array center of four high frequency radiating elements 6 composition, low frequency radiating element 5
Four radiation arms 4 or the side for being parallel to reflecting plate 7, or the side perpendicular to reflecting plate 7.Each radiation arm 4 is respectively positioned on two
The centre of high frequency radiating element 6.Wherein, perpendicular to two radiation arms 4 of the side of reflecting plate 7, outwardly directed both ends it
Between distance it is equal with the width of reflecting plate 7.
As shown in Figure 5 and Figure 6, a low frequency radiating element 5 and four high frequency radiating elements 6 collectively constitute a radiator
Battle array, specifically, between two neighboring radiation submatrix, there are two high frequency radiating element 61, two high frequency radiating elements at interval
61 are separately positioned on the two sides of reflecting plate 7, are located along the same line with the high frequency radiating element 6 in radiation submatrix.
The set-up mode of above-described antenna can reduce low frequency radiating element and high frequency radiating element to the greatest extent
Between radiation effect, while being conducive to reduce the size of entire antenna, keep the structure of antenna more compact.
Spacing is 100mm-120mm, two low frequency spokes of adjacent position between two ipsilateral high frequency radiating elements 6
Penetrating spacing between unit 5 is 320mm-340mm.Being preferably located at spacing between two ipsilateral high frequency radiating elements 6 is
110mm, spacing is 330mm between two low frequency radiating elements 5 of adjacent position.
As shown in fig. 7, antenna of the invention is subjected to emulation testing in HFSS, the low frequency radiation array water illustrated
Plane pattern, it is seen that main polarization directional diagram convergence is symmetrical, has no distortion, and axial cross polarization level value reaches -25db or more,
± 60 ° of polarization resolution are greater than 7dB, illustrate that radiating element of the invention does not have an impact the directional diagram of antenna of the invention.
Embodiment two
The base station radiating element of integrated filter of the invention as shown in Figure 9, the support portion that supporting element includes is in ladder
The column structure of shape, trapezoidal column structure include two side walls being vertically arranged, and two adjacent trapezoidal column structures are opposite
Two side walls are parallel to each other, and separate slot is formed between two sidewalls, and integrated package is arranged in separate slot.
Embodiment three
The base station radiating element of integrated filter of the invention, supporting element include six support portions, and six support portions are big
Small shape is identical, and around the center line rotational symmetry of supporting element, the distance between adjacent two support portion is equal.
Separate slot is formed between two opposite side plates of adjacent two support portion, six separate slots that six support portions are formed are common
Star-shaped pockets are formed, integrated package is arranged in pockets.
The base station radiating element of integrated filter of the invention has good Out-of-band rejection ability, reduces low frequency spoke
Penetrate influencing each other between array and high frequency radiation array.By by filtering unit and the integrated setting of feed tab, not
On the basis of influencing radiating element radiation characteristic, the overall structure and processing technology of radiating element are enormously simplified.Integrating filtering
The feed tab of component substantially reduces the connection type of welding, is conducive to the consistency of production and the stability of third order intermodulation.
Antenna of the invention can be not limited to the setting form an of low frequency radiating element and two high frequency radiating element arrays,
It can be extended to the group formation formula of multiple low frequency radiating elements and multiple high frequency radiating elements, to realize the communication of more multiband,
And the electrical specifications of the antenna are good, installation is very convenient, and processing, installation cost are low.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction for the essence of the present invention with range, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment belong to the range that the present invention is protected.
Claims (18)
1. a kind of base station radiating element of integrated filter, which is characterized in that including supporting element and feed structure, surround supporting element
Multiple radiation components are provided with, the supporting element between adjacent two radiation component is equipped with separate slot, and multiple separate slots combine to form receiving
Groove, filtering unit is provided on feed structure, and feed structure and filtering unit are arranged in pockets.
2. the base station radiating element of integrated filter as described in claim 1, which is characterized in that supporting element includes multiple supports
Portion, multiple support portions are arranged at rotational symmetry.
3. the base station radiating element of integrated filter as claimed in claim 2, which is characterized in that support portion includes being vertically arranged
Two side plates, two opposite side plates of adjacent two support portion are parallel to each other, and are formed with separate slot between two parallel side plates.
4. the base station radiating element of integrated filter as claimed in claim 2, which is characterized in that the quantity and radiation of support portion
The quantity of part is identical, and a radiation component is correspondingly arranged on each support portion, and multiple radiation components are in the same plane, multiple spokes
Part is penetrated around the central axes of supporting element in rotational symmetry.
5. the base station radiating element of integrated filter as claimed in claim 3, which is characterized in that two on same support portion
Side plate is arranged in a mutually vertical manner.
6. the base station radiating element of integrated filter as claimed in claim 5, which is characterized in that two adjacent separate slots of position
It is mutually perpendicular to, two opposite separate slots of position are located along the same line, and four support portions form four separate slots and collectively constitute ten
The pockets of font.
7. the base station radiating element of integrated filter as claimed in claim 4, which is characterized in that two side plates of support portion it is upper
It is provided with top plate at end opening, interconnecting piece is provided on top plate, radiation component is connected with interconnecting piece, to be fixed on support portion.
8. the base station radiating element of the integrated filter as described in any one of claim 2-7, which is characterized in that the bottom of including
The bottom end of plate, multiple support portions is fixed on bottom plate, and multiple support portions is made to be connected as an entirety.
9. the base station radiating element of integrated filter as described in claim 1, which is characterized in that feed structure includes at least one
A feed tab, filtering unit include at least one open circuit minor matters, and open circuit minor matters are located in pockets, are fixedly connected on feed tab
On.
10. the base station radiating element of integrated filter as claimed in claim 9, which is characterized in that the quantity for minor matters of opening a way is
Three, the outside of feed tab fixing end is arranged in two of them open circuit minor matters, and the bending part of two open circuit minor matters is opposite to be bent, the
The inside of feed tab fixing end is arranged in three open circuit minor matters, is located between the open circuit minor matters of outside two.
11. the base station radiating element of the integrated filter as described in claim 9 or 10, which is characterized in that the length for minor matters of opening a way
Degree is the quarter-wave for inhibiting high frequency.
12. the base station radiating element of the integrated filter as described in claim 9 or 10, which is characterized in that feed structure includes
Two feed tabs, two feed tab square crossings stack, and form cross-shaped structure, and cross feed tab is arranged in pockets
It is interior.
13. the base station radiating element of integrated filter as described in claim 1, which is characterized in that filtering unit is step resistance
Anti- low-pass filter.
14. the base station radiating element of integrated filter as described in claim 1, which is characterized in that radiation component is cylindrical
Hollow cylinder structure.
15. a kind of antenna, which is characterized in that the base including integrated filter described in any one of the claims 1-14
It stands radiating element.
16. antenna as claimed in claim 15, which is characterized in that including radiation submatrix and reflecting plate, radiation submatrix setting exists
On reflecting plate, radiation submatrix includes low frequency radiating element and high frequency radiating element, and low frequency radiating element includes four radiation components, phase
Adjacent two radiation components are mutually perpendicular to, straight line where two opposite radiation components or the side for being parallel to reflecting plate, or perpendicular to
High frequency radiating element is arranged between adjacent two radiation component in the side of reflecting plate.
17. antenna as claimed in claim 16, which is characterized in that including multiple radiation submatrixs, multiple radiation submatrixs are sequentially arranged
It is listed on reflecting plate, there are two high frequency radiating element, two high frequency radiation lists for the middle position setting of two neighboring radiation submatrix
Member is separately positioned on the two sides of reflecting plate, is aligned setting with the high frequency radiating element in radiation submatrix.
18. antenna as claimed in claim 17, which is characterized in that the longitudinal pitch between two neighboring high frequency radiating element is
100mm-120mm, the spacing between two adjacent low frequency radiating elements are 320mm-340mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810636506.XA CN108879115A (en) | 2018-06-20 | 2018-06-20 | The base station radiating element and antenna of integrated filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636506.XA CN108879115A (en) | 2018-06-20 | 2018-06-20 | The base station radiating element and antenna of integrated filter |
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| CN108879115A true CN108879115A (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810636506.XA Pending CN108879115A (en) | 2018-06-20 | 2018-06-20 | The base station radiating element and antenna of integrated filter |
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Cited By (1)
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| CN110459867A (en) * | 2019-08-13 | 2019-11-15 | 昆山恩电开通信设备有限公司 | A kind of ultra wide band low frequency radiating element with inhibition high-frequency parasitic radiation function |
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