CN106025523B - A kind of cross-shaped configuration radiating element and its aerial array - Google Patents
A kind of cross-shaped configuration radiating element and its aerial array Download PDFInfo
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- CN106025523B CN106025523B CN201610649162.7A CN201610649162A CN106025523B CN 106025523 B CN106025523 B CN 106025523B CN 201610649162 A CN201610649162 A CN 201610649162A CN 106025523 B CN106025523 B CN 106025523B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
Abstract
The invention discloses a kind of cross-shaped configuration radiating element and its aerial arrays.Including symmetric radiation arm, feed tab, medium gasket, feed Balun support column, plastic feet and feed coaxial cable；It further include simultaneously the array antenna being made of the radiating element.Two symmetric radiation arms intersect in cross distribution, and relative to radiating element center rotational symmetry；Medium gasket is feed tab supporting element, and feed tab and feed Balun support column is isolated；The support of feed Balun support column and connected symmetrical dendrimer radiation arm；In feed Balun support column lower end for feed Balun support column and the extraneous reflecting plate of insulating, feed coaxial cable is connected by plastic feet with feed tab for plastic feet setting；The aerial array is by several identical cross-shaped configuration radiating elements along arranged in a straight line, and the antenna system that array pitch is equal.The small in size, bandwidth of the present invention, intermodulation stability are good.
Description
Technical field
The present invention relates to antenna of mobile communication base station fields, mainly include a kind of cross-shaped configuration radiating element, Yi Jiyi
Money uses the aerial array of the radiating element.
Background technique
In recent years, mobile communication technology is developed rapidly, and the occasion of the coexistence of communication systems of various standards is increasingly
It is more, since the communication system of various standards there are a variety of different working frequency range, and with the gradually popularization of mobile communication system, lead to
The working frequency range of letter system further broadens, so that requirement of the mobile communication system to antenna frequency band is wider.
In addition, reducing the cost of network construction, the communication system scheme of multiple types unification to save base station installation resource
More and more paid attention to and is widely used.CDMA 800MHz, GSM900MHz system colocation site shared antenna, need antenna work
Make frequency band covering 790-960MHz.
Overseas market is larger to the demand of ultra wide band low-and high-frequency multiport antenna for base station, such product mainly uses at present
Two kinds of design schemes, i.e., a coaxial plus column and shoulder to shoulder scheme.
Coaxial scheme symmetry is poor, can reduce antenna radiation pattern beam direction and directional diagram symmetry.And it is square shoulder to shoulder
Case realizes that directional diagram symmetry is preferable by low-and high-frequency oscillator Side by side groupings.The realization of the program needs a kind of different from conventional
The bowl-shape cross-shaped configuration radiating element of low frequency, the radiating element use aluminium alloy integration die cast, small in size, weight
Gently, product low cost.
Other than bandwidth of operation and scheme demand, another problem that antenna for base station faces is intermodulation and its stability.Base
The intermodulation performance of station antenna determines that antenna is one of core index of antenna for base station to the interference level of other frequency ranges.Base station
It is good that intermodulation index is not required nothing more than during Antenna Design, intermodulation index is also required to stablize, the outer of the complexity such as vibration, transport can be born
Boundary's factor influences, and radiating element has the intermodulation and its stability of antenna for base station as one of the component for generating intermodulation product
Great influence.
Summary of the invention
In order to solve the above technical problems, the present invention is intended to provide a kind of good cross of small in size, bandwidth, intermodulation stability
Type structural radiation unit and a aerial array using the radiating element.
The technical solution adopted by the invention is as follows:
A kind of cross-shaped configuration radiating element, including symmetric radiation arm, feed tab, medium gasket, feed Balun support column,
Plastic feet and feed coaxial cable, the symmetric radiation arm are intersected two-by-two in cross distribution, and relative to cross
Structural radiation unit center rotational symmetry；The medium gasket is feed tab supporting element, and feed tab and feed Balun support is isolated
Column；The feed Balun support column support and connected symmetrical dendrimer radiation arm；The plastic feet is arranged under feed Balun support column
End passes through plastic feet and is connected with feed tab for feed Balun support column and the extraneous reflecting plate of insulating, the feed coaxial cable
It connects.
Wherein, the symmetric radiation arm has two pairs, and each pair of symmetric radiation arm is in 90 ° of opening shapes, and the symmetric radiation arm
Centre hollows out setting loop trough.
Wherein, the feed Balun support column is divided into four parts, is connected respectively with two pairs of symmetric radiation arms, and four
The connection of part lower end is integral, and the height of entire feed Balun support column is slightly less than 0.25 λ, and wherein λ is cross-shaped configuration radiation
The corresponding center frequency point wavelength of cell operation frequency range.
Wherein, the feed Balun support column and symmetric radiation arm junction are provided with cylindrical boss and balun is logical
Hole；Four parts of the feed Balun support column are divided into two pairs, and every centering includes a cylindrical boss and a balun through-hole,
There are differences in height for two pairs of cylindrical boss and balun through-hole.
Wherein, the feed coaxial cable is divided into feed coaxial cable outer conductor and feed the inner conductor of the coaxial cable two
Point, the feed coaxial cable outer conductor passes through extraneous reflecting plate, plastic feet and feed Balun support column and is connected to balun
Through-hole wall, described feed the inner conductor of the coaxial cable pass through the one of extraneous reflecting plate, plastic feet and balun through-hole and feed tab
End is connected.
Wherein, the feed tab is two, and size shape is identical, and each feed tab includes the intermediate feed tab being rectangle
The feed tab cylindrical body of cuboid and both ends semicircular in shape, two feed tabs in right-angled intersection arrange, and one of them
Feed tab is on the other side；Underlying feed tab is denoted as lower feed tab；The feed tab being located above is denoted as feed tab；
The both ends of the feed tab offer two circular holes of different sizes, and macropore is denoted as feed tab boss through-hole, and aperture is denoted as feed
Piece inner conductor through-hole, respectively with the cylindrical boss of feed Balun upper end of support column and across the feed coaxial cable of balun through-hole
Inner conductor is connected；Totally four, the medium gasket, shape is hollow cylinder, is individually fixed in the feed across balun through-hole
In the inner conductor of the coaxial cable and cylindrical boss, and two feed tabs are supported, to separate feed tab and feed Balun support column.
Wherein, the junction of the symmetric radiation arm and feed Balun support column is provided with link block to realize connection and consolidate
It is fixed；The plastic feet is the insulating part that feed Balun supports column bottom, and there are four limited posts to lead to for setting on the plastic feet
Hole, two plastic feet feed through-holes and a plastic feet screwing through hole；Four limited post through-holes and feed Balun branch
Four balun limited posts of dagger lower end are correspondingly connected with, and feed coaxial cable passes through plastic feet feed through-hole and is connected with feed tab
It connects.
Using the aerial array of cross-shaped configuration radiating element described above, including multiple cross-shaped configuration radiating elements,
Reflecting plate and high frequency radiating element；Each cross-shaped configuration radiating element radiates boundaries by four high frequency radiating elements conducts
Surround shape it is symmetrical, several cross-shaped configuration radiating elements along arranged in a straight line on reflecting plate, and by plastic feet with
Reflecting plate separates, and feed coaxial cable is connected after passing through reflecting plate and plastic feet with feed tab.
Wherein, four balun limited posts of feed Balun support column lower end pass through four limited post through-holes on plastic feet
Limit is on reflecting plate, and each cross-shaped configuration radiating element is by the resistance to plastic bottom for falling glue screw and penetrating on the plastic feet
Seat screwing through hole is fixed on reflecting plate, and increases installation fastness using cross Rigid Fastener, described cross rigid
Property fastener offer Rigid Fastener screwing through hole, the resistance to glue screw that falls passes through on Rigid Fastener screwing through hole and plastic feet
Plastic feet screwing through hole cross-shaped configuration radiating element is fixed on reflecting plate.
Wherein, the symmetric radiation arm of each cross-shaped configuration radiating element is along ± 45oDirection arrangement, adjacent cross-shaped configuration
The upper feed tab of radiating element is identical with the placement location of lower feed tab；The array pitch of cross-shaped configuration radiating element is high frequency
2 times of radiation cell array spacing, are equivalent to 0.7 λ, and wherein λ is the corresponding center of cross-shaped configuration radiating element working frequency range
Frequency point wavelength.
The utility model has the advantages that the base station antenna radiation unit good and small in size the present invention provides a kind of wideband, intermodulation stability,
And a kind of base-station antenna array using this kind of radiating element, symmetric radiation arm of the invention are intersected two-by-two in cross
Distribution, and relative to cross-shaped configuration radiating element center rotational symmetry, by radiative unit structure, antenna size and feed
Big bandwidth of operation may be implemented in the optimization of piece.Since feed Balun structure is contacted by plastic feet with reflecting plate, and use
It is resistance to fall the fixation of glue screw and Rigid Fastener increase installation strength, excellent intermodulation index may be implemented.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 2 is the separate structure schematic diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 3 is the positive structure schematic of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 4 is the structure schematic diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 5 is the feed tab and medium gasket construction schematic diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 6 is the plastic feet structural schematic diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 7 is the aerial array positive structure schematic of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 8 is the aerial array structure schematic diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
In figure: 1- symmetric radiation arm；2- feed tab；The upper feed tab of 2-A-；Feed tab under 2-B-；The support of 3- feed Balun
Column；4- medium gasket；5- plastic feet；6- cylindrical boss；The upper cylindrical boss of 6-A-；The lower cylindrical boss of 6-B-；7- bars
Human relations through-hole；The upper balun through-hole of 7-A-；Balun through-hole under 7-B-；8- balun gap；9- balun limited post；10- loop trough；11- spoke
Penetrate face gap；12, balun column wall；13- balun screwing through hole；14- link block；15, balun groove；16- feed tab boss
Through-hole；17- feed tab inner conductor through-hole；18- feed tab cylindrical body；19- feed tab cuboid；20- medium shim through bore；21-
Plastic feet feeds through-hole；22- limited post through-hole；23- plastic feet screwing through hole, 24- feed coaxial cable；25- feed is same
Shaft cable inner conductor；26- feeds coaxial cable outer conductor；The cross Rigid Fastener of 27-；28 Rigid Fastener screwing through hole；
29- high frequency radiating element；29-A- high frequency radiating element A；29-B- high frequency radiating element B；29-C- high frequency radiating element C；29-
D- high frequency radiating element D；30- cross-shaped configuration radiating element；31- reflecting plate；32- is resistance to fall glue screw.
Specific embodiment
In conjunction with the accompanying drawings and embodiments, technical solution of the present invention presented below specifically describes.
Referring to Fig. 1, Fig. 2, cross-shaped configuration radiating element 30 of the invention includes symmetric radiation arm 1, feed tab 2, feed
Balun support column 3, medium gasket 4, plastic feet 5 and feed coaxial cable 24, symmetric radiation arm 1 have two pairs, two pairs of symmetrical spokes
It penetrates arm 1 to intersect in crossing distribution, forms dual polarised radiation body.Each pair of symmetric radiation arm 1 is in 90 ° of opening shapes, and described
Setting loop trough 10 is hollowed out among symmetric radiation arm 1.Two symmetric radiation arms 1 are relative in cross-shaped configuration radiating element 30
Heart rotational symmetry, thus for two polarization directions, radiator be it is identical, this arrangement can be enhanced between two polarization
Consistency.The medium gasket 4 is 2 supporting element of feed tab, and feed tab 2 and feed Balun support column 3 is isolated；The feed Balun
The support of support column 3 and connected symmetrical dendrimer radiation arm 1；The setting of plastic feet 5 is in 3 lower end of feed Balun support column for feedback of insulating
Electric balun support column 3 is connected by plastic feet 5 with feed tab 2 with extraneous reflecting plate 31, the feed coaxial cable 24.Ginseng
See Fig. 3-Fig. 4, cross-shaped configuration radiating element 30 of the invention includes cylindrical boss 6, balun through-hole 7, balun gap 8, bar
Human relations limited post 9, loop trough 10, radiating surface gap 11, balun column wall 12, balun screwing through hole 13, link block 14, balun is hollow
Slot 15 feeds coaxial cable 24.Wherein, cylindrical boss 6 divides for upper cylindrical boss 6-A and lower cylindrical boss 6-B, balun
Through-hole 7 divides for upper balun through-hole 7-A and lower balun through-hole 7-B.Cylindrical boss 6 and balun through-hole 7 are arranged in feed Balun branch
Dagger 3 and 1 junction of symmetric radiation arm.The feed coaxial cable 24 divides to feed the inner conductor of the coaxial cable 25 and feed
Coaxial cable outer conductor 26, the feed coaxial cable outer conductor 26 pass through extraneous reflecting plate 31, plastic feet 5 and feed Balun
Support column 3 is simultaneously connected to 7 inner wall of balun through-hole, and described feed the inner conductor of the coaxial cable 25 passes through extraneous reflecting plate 31, plastic bottom
Seat 5 and balun through-hole 7 are connected with one end of feed tab 2.It is loop trough that 1 both ends of symmetric radiation arm, which respectively have a undercut slots,
10, the gap between adjacent symmetric radiation arm 1 is radiating surface gap 11, and the two is to 30 performance parameter of cross-shaped configuration radiating element
It is affected.Mainly there are upper cylindrical boss 6-A, lower cylindrical boss 6-B, upper balun through-hole 7- on feed Balun support column 3
A, lower balun through-hole 7-B, balun gap 8, balun limited post 9, balun column wall 12, balun screwing through hole 13 and balun groove
15.Wherein upper cylindrical boss 6-A, lower cylindrical boss 6-B and the feed across upper balun through-hole 7-A, lower balun through-hole 7-B
The inner conductor of the coaxial cable 25 is connected with the both ends of two feed tabs 2 respectively；Balun gap 8 and balun column wall 12 are feed
Feed Balun support column 3 is divided into four parts by the internal structure of balun support column 3, four part upper ends respectively with two pairs of symmetrical spokes
It penetrates arm 1 to be connected, four part lower ends are connected as an entirety, and design a balun screwing through hole 13 and be used for cross symmetrical spoke
The fixation of unit 30 is penetrated, 3 four parts of feed Balun support column are divided into two pairs, and every centering includes a cylindrical boss 6 and one
A balun through-hole 7, there are differences in height for two pairs of cylindrical boss 6 and balun through-hole 7.The height of entire feed Balun support column 3 is omited
Less than 0.25 λ, wherein λ is the corresponding center frequency point wavelength of 30 working frequency range of cross-shaped configuration radiating element；Balun limited post 9
Mainly for cross-shaped configuration radiating element 30 is not rotated in horizontal plane；Balun groove 15 is mainly for subtracting in structure
It handles again.In order to increase the fastness between symmetric radiation arm 1 and feed Balun support column 3, connected by being arranged in its junction
Block 14 is connect to realize.
Referring to fig. 2, Fig. 5, the feed tab 2 in cross-shaped configuration radiating element 30 of the invention are two, size shape phase
Together, each feed tab 2 includes the feed tab cylindrical body of the intermediate feed tab cuboid 19 being rectangle and both ends semicircular in shape
18, two feed tabs 2 are arranged in right-angled intersection, and one of feed tab 2 is on the other side；Underlying feed
Piece 2 is denoted as lower feed tab 2-B；The feed tab 2 being located above is denoted as feed tab 2-A；The both ends of the feed tab 2 offer greatly
Small two different circular holes, macropore are denoted as feed tab boss through-hole 16, and aperture is denoted as feed tab inner conductor through-hole 17, respectively with feedback
The cylindrical boss 6 of electric 3 upper end of balun support column is connected with feed the inner conductor of the coaxial cable 25 across balun through-hole 7.Institute
Totally four, matter gasket 4 are given an account of, shape is hollow cylinder, offers medium shim through bore 20, and four medium gaskets 4 are distinguished
It is fixed in feed the inner conductor of the coaxial cable 25 and cylindrical boss 6 of balun through-hole 7, and supports two feed tabs 2, with
Separate feed tab 2 and feed Balun support column 3.
As shown in figs. 4 and 6, the plastic feet 5 is the insulating part of 3 bottom of feed Balun support column, the plastic feet
Plastic feet feed through-hole 21, limited post through-hole 22, plastic feet screwing through hole 23 are provided on 5；Four limited posts are logical
Hole 22 and four balun limited posts 9 of 3 lower end of feed Balun support column are correspondingly connected with, and feed coaxial cable 24 passes through plastic feet
Feed through-hole 21 is connected with feed tab 2.It feeds coaxial cable 24 and passes through plastic feet feed through-hole 21, and feed coaxial cable
Inner conductor 25 passes through upper balun through-hole 7-A or lower balun through-hole 7-B and medium shim through bore 20, with upper feed tab 2-A or lower feedback
The feed tab inner conductor through-hole 17 of electric piece 2-B is connected, and upper cylindrical boss 6-A or lower cylindrical boss 6-B pass through dielectric pad
Piece through-hole 20 is connected with the feed tab boss through-hole 16 of upper feed tab 2-A or lower feed tab 2-B；Feed tab cylindrical body 18 and feedback
The shapes and sizes of electric piece cuboid 19 are larger to the Circuit Parameter's Influence of cross structural radiation unit 30；Limited post through-hole 22
It is mainly used for insulating between balun limited post 9 and expelling plate 31, intermodulation performance can be improved.
Referring to Fig. 7, Fig. 8, using the aerial array of cross-shaped configuration radiating element 30 provided by the invention: including multiple ten
Font structure radiating element 30, reflecting plate 31 and high frequency radiating element 29；Each cross-shaped configuration radiating element 30 is by by four
A high frequency radiating element 29 is symmetrically arranged amongst on reflecting plate 31 as radiation boundary in shape is surrounded, and four high frequency radiating elements 29 divide
29-A, 29-B, 29-C, 29-D are not denoted as it.Several cross-shaped configuration radiating elements 30 are equidistantly arranged in reflecting plate along straight line
On 31, each cross-shaped configuration radiating element 30 can be separated by plastic feet 5 and reflecting plate 31.Cross-shaped configuration radiating element
Every feed coaxial cable 24 on 30 passes through plastic feet feed through-hole 21 and reflecting plate 31, feeds the inner conductor of the coaxial cable 25
Across upper balun through-hole 7-A or lower balun through-hole 7-B and medium shim through bore 20, with upper feed tab 2-A's or lower feed tab 2-B
Feed tab inner conductor through-hole 17 is connected.Four limited posts 9 of 3 lower end of feed Balun support column pass through four on plastic feet 5
A limited post through-hole 22 is fixed on reflecting plate 31, and at 31 back side of reflecting plate, and each cross-shaped configuration radiating element 30 is by resistance to
It falls the plastic feet screwing through hole 23 that glue screw 32 penetrates on the plastic feet 5 to be fixed on reflecting plate 31, and uses cross
Type Rigid Fastener 27 increases installation fastness, and the cross Rigid Fastener 27 offers Rigid Fastener screwing through hole
28, Rigid Fastener screwing through hole 28 and plastic feet screwing through hole 23 are passed through for cross-shaped configuration spoke using the resistance to glue screw 32 that falls
Unit 30 is penetrated to be fixed on reflecting plate 31.Wherein cross Rigid Fastener 27 can increase reflecting plate 31 and cross-shaped configuration spoke
The installation strength between unit 30 is penetrated, the stability of antenna intermodulation is improved.
The symmetric radiation arm 1 of each cross-shaped configuration radiating element 30 is along ± 45oDirection arrangement, adjacent cross-shaped configuration spoke
The upper feed tab 2-A for penetrating unit 30 is identical with the placement location of lower feed tab 2-B；Between the array of cross-shaped configuration radiating element 30
Away from 2 times for 29 array pitch of high frequency radiating element, it is equivalent to 0.7 λ, wherein λ is the work frequency of cross-shaped configuration radiating element 30
The corresponding center frequency point wavelength of section.
Cross-shaped configuration radiating element 30 provided by the invention can be by adjusting 2 size shape of feed tab and symmetric radiation
Arm 1 size realizes broadband.Since cross-shaped configuration radiating element 30 is separated with reflecting plate 31 by plastic feet 5, and it is logical
Cross it is resistance to fall glue screw 32 and cross-shaped configuration radiating element 30 is fixed on reflecting plate 31 by cross Rigid Fastener 27, thus
The intermodulation performance of antenna is excellent.Relative to bowl-shape radiating element used by other schemes, which has small in size, weight
The advantages that amount is light, low cost, aerial array provided by the invention are used for multiport ultra-wideband antenna for base station, and antenna radiation pattern is symmetrical
Property is good.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to protection of the invention
Range.
Claims (8)
1. a kind of cross-shaped configuration radiating element (30), it is characterised in that: including symmetric radiation arm (1), feed tab (2), medium
Gasket (4), feed Balun support column (3), plastic feet (5) and feed coaxial cable (24), the symmetric radiation arm (1) is two-by-two
It intersects in cross distribution, and relative to cross-shaped configuration radiating element (30) center rotational symmetry；The medium gasket
(4) it is feed tab (2) supporting element, feed tab (2) and feed Balun support column (3) is isolated；Feed Balun support column (3) branch
Support simultaneously connected symmetrical dendrimer radiation arm (1)；Plastic feet (5) setting is in feed Balun support column (3) lower end for the feed that insulate
Balun support column (3) and extraneous reflecting plate (31), the feed coaxial cable (24) pass through plastic feet (5) and feed tab (2)
It is connected；The symmetric radiation arm (1) has two pairs, and each pair of symmetric radiation arm (1) is in 90 ° of opening shapes, and the symmetric radiation arm
(1) intermediate to hollow out setting loop trough (10)；The feed Balun support column (3) is divided into four parts, respectively with two pairs of symmetrical spokes
It penetrates arm (1) to be connected, and the connection of four parts lower end is integral, the height of entire feed Balun support column (3) is slightly less than 0.25
λ, wherein λ is the corresponding center frequency point wavelength of cross-shaped configuration radiating element (30) working frequency range.
2. cross-shaped configuration radiating element (30) according to claim 1, it is characterised in that: the feed Balun support column
(3) symmetric radiation arm (1) junction is provided with cylindrical boss (6) and balun through-hole (7)；The feed Balun support
(3) four parts of column are divided into two pairs, and every centering includes a cylindrical boss (6) and a balun through-hole (7), two pairs of cylinders
There are differences in height for boss (6) and balun through-hole (7).
3. cross-shaped configuration radiating element (30) according to claim 2, it is characterised in that: the feed coaxial cable
(24) it is divided into feed coaxial cable outer conductor (26) and feed the inner conductor of the coaxial cable (25) two parts, the feed coaxial cable
Outer conductor (26) passes through extraneous reflecting plate (31), plastic feet (5) and feed Balun support column (3) and is connected to balun through-hole
(7) inner wall, the feed the inner conductor of the coaxial cable (25) pass through extraneous reflecting plate (31), plastic feet (5) and balun through-hole (7)
It is connected with one end of feed tab (2).
4. cross-shaped configuration radiating element (30) according to claim 3, it is characterised in that: the feed tab (2) is two
A, size shape is identical, and each feed tab (2) includes the intermediate feed tab cuboid (19) being rectangle and both ends in semicircle
The feed tab cylindrical body (18) of shape, two feed tabs (2) are arranged in right-angled intersection, and one of feed tab (2) is another
One top；Underlying feed tab (2) is denoted as lower feed tab (2-B)；The feed tab (2) being located above is denoted as feed tab
(2-A)；The both ends of the feed tab (2) offer two circular holes of different sizes, and macropore is denoted as feed tab boss through-hole (16),
Aperture is denoted as feed tab inner conductor through-hole (17), respectively with the cylindrical boss (6) of feed Balun support column (3) upper end and pass through
Feed the inner conductor of the coaxial cable (25) of balun through-hole (7) is connected；The medium gasket (4) totally four, shape are hollow
Cylinder is individually fixed in feed the inner conductor of the coaxial cable (25) and cylindrical boss (6) of balun through-hole (7), and props up
Two feed tabs (2) are supportted, to separate feed tab (2) and feed Balun support column (3).
5. cross-shaped configuration radiating element (30) according to claim 1, it is characterised in that: the symmetric radiation arm (1)
The junction of feed Balun support column (3) is provided with link block (14) to realize connection and fixation；The plastic feet (5) is
The insulating part of feed Balun support column (3) bottom, setting is there are four limited post through-hole (22) on the plastic feet (5), and two
Plastic feet feeds through-hole (21) and a plastic feet screwing through hole (23)；Four limited post through-holes (22) and feed bar
Four balun limited posts (9) of human relations support column (3) lower end are correspondingly connected with, and it is logical that feed coaxial cable (24) passes through plastic feet feed
Hole (21) is connected with feed tab (2).
6. using the aerial array of any one of according to claim 1-5 cross-shaped configuration radiating elements (30), feature exists
In: including multiple cross-shaped configuration radiating elements (30), reflecting plate (31) and high frequency radiating element (29)；Each cross knot
As radiation boundary, in surrounding, shape is symmetrical, several are cross by four high frequency radiating elements (29) for structure radiating element (30)
Structural radiation unit (30) separates on reflecting plate (31), and through plastic feet (5) with reflecting plate (31) along arranged in a straight line, presents
Electric coaxial cable (24) passes through reflecting plate (31) and plastic feet (5) is connected with feed tab (2) afterwards.
7. aerial array according to claim 6, it is characterised in that: four baluns of feed Balun support column (3) lower end limit
Position column (9) is limited on reflecting plate (31) by four limited post through-holes (22) on plastic feet (5), and each cross knot
Structure radiating element (30) is by resistance to plastic feet screwing through hole (23) fixation for falling glue screw (32) and penetrating on the plastic feet (5)
On reflecting plate (31), and cross Rigid Fastener (27) Lai Zengjia installation fastness is used, the cross rigidity fastening
Part (27) offers Rigid Fastener screwing through hole (28), it is resistance to fall glue screw (32) by Rigid Fastener screwing through hole (28) and
Cross-shaped configuration radiating element (30) is fixed on reflecting plate (31) by the plastic feet screwing through hole (23) on plastic feet (5)
On.
8. aerial array according to claim 6, it is characterised in that: the symmetrical spoke of each cross-shaped configuration radiating element (30)
Arm (1) is penetrated along ± 45oDirection arrangement, the upper feed tab (2-A) of adjacent cross-shaped configuration radiating element (30) and lower feed tab (2-
B placement location) is identical；The array pitch of cross-shaped configuration radiating element (30) is high frequency radiating element (29) array pitch
2 times, it is equivalent to 0.7 λ, wherein λ is the corresponding center frequency point wavelength of cross-shaped configuration radiating element (30) working frequency range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610649162.7A CN106025523B (en) | 2016-08-09 | 2016-08-09 | A kind of cross-shaped configuration radiating element and its aerial array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610649162.7A CN106025523B (en) | 2016-08-09 | 2016-08-09 | A kind of cross-shaped configuration radiating element and its aerial array |
Publications (2)
| Publication Number | Publication Date |
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| CN106025523A CN106025523A (en) | 2016-10-12 |
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| WO2018072415A1 (en) * | 2016-10-20 | 2018-04-26 | 深圳国人通信股份有限公司 | Novel antenna radiation unit |
| CN107039751B (en) * | 2017-01-12 | 2023-05-16 | 成都天锐通科技有限公司 | Spiral antenna of UHF frequency band |
| CN107257018B (en) * | 2017-06-06 | 2018-08-14 | 江苏亨鑫科技有限公司 | Low frequency radiating element and multifrequency antenna with the low frequency radiating element |
| CN107946777A (en) * | 2017-10-18 | 2018-04-20 | 广东博纬通信科技有限公司 | A kind of dedicated dual-polarization radiating unit of smart antenna and mounting means |
| CN108832310A (en) * | 2018-06-26 | 2018-11-16 | 江苏亨鑫科技有限公司 | A kind of broadband dualpolarization radiation unit in multifrequency antenna for base station |
| CN110783707A (en) * | 2019-09-25 | 2020-02-11 | 广东晖速通信技术股份有限公司 | Heat dissipation type antenna element |
| CN210926288U (en) * | 2019-09-30 | 2020-07-03 | 京信通信技术(广州)有限公司 | Installation auxiliary device and antenna |
| CN111478014A (en) * | 2020-04-28 | 2020-07-31 | 江苏泰科微通讯科技有限公司 | Cross dual-polarized oscillator |
| CN112310644B (en) * | 2020-09-29 | 2023-07-04 | 中信科移动通信技术股份有限公司 | Array antenna, base station system and antenna performance adjusting method |
| CN114614241A (en) * | 2020-12-07 | 2022-06-10 | 广东博纬通信科技有限公司 | Decoupled dual-polarized low-frequency oscillator, antenna and method |
| CN116404416B (en) * | 2023-05-23 | 2023-12-22 | 江苏亨鑫科技有限公司 | Feed assembly with U-shaped structure and antenna unit |
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