CN106025523A - Radiating element of cross structure and antenna array thereof - Google Patents
Radiating element of cross structure and antenna array thereof Download PDFInfo
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- CN106025523A CN106025523A CN201610649162.7A CN201610649162A CN106025523A CN 106025523 A CN106025523 A CN 106025523A CN 201610649162 A CN201610649162 A CN 201610649162A CN 106025523 A CN106025523 A CN 106025523A
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- 230000005855 radiation Effects 0.000 claims description 45
- 239000004020 conductor Substances 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 9
- 239000000412 dendrimer Substances 0.000 claims description 3
- 229920000736 dendritic polymer Polymers 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 210000002683 foot Anatomy 0.000 claims 17
- 238000010586 diagram Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Classifications
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
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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
- 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
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Abstract
The invention discloses a radiating element of a cross structure and an antenna array thereof. The radiating element comprises symmetrical radiating arms, feed sheets, medium gaskets, a feed balun supporting column, a plastic base and coaxial feed cables, and array antennas composed of the radiating elements are involved. The two symmetric radiating arms are distributed in a cross shape and are rotationally symmetric about the center of the radiating unit; the medium gaskets are feed sheet supporting parts and separate the feed sheets from the feed balun supporting column; the feed balun supporting column supports and is connected with the symmetrical radiating arms; the plastic base is arranged at the lower end of the feed balun supporting column and used for insulating the feed balun supporting column from an outer reflecting plate, and the coaxial feed cables are connected with the feed sheets through the plastic base. The antenna array is an antenna system formed by linearly arranging multiple identical radiating elements of the cross structure at equal interval. The radiating element is small in size, wide in bandwidth and high in intermodulation stability.
Description
Technical field
The present invention relates to antenna of mobile communication base station field, mainly include a kind of cross-shaped configuration radiating element, and the aerial array of a this radiating element of employing.
Background technology
In recent years, mobile communication technology is developed rapidly, the occasion of the coexistence of communication systems of various standards gets more and more, owing to the communication system of various standards has various different working frequency range, and along with the progressively popularization of mobile communication system, the further broadening of working frequency range of communication system so that mobile communication system is wider to the requirement of antenna frequency band.
Additionally, for saving base station installation resource, reduce the cost of networking, the communication system scheme of multiple types unification is more and more paid attention to and widely used.CDMA 800MHz, GSM900MHz system colocation site shared antenna, needs antenna operating band to cover 790-960MHz.
Overseas market is relatively big to the demand of ultra broadband low-and high-frequency multiport antenna for base station, and this series products mainly uses two kinds of designs at present, the most coaxial adds string and scheme shoulder to shoulder.
Coaxial scheme symmetry is poor, can reduce antenna radiation pattern beam direction and directional diagram symmetry.And scheme is realized by low-and high-frequency oscillator Side by side groupings shoulder to shoulder, directional diagram symmetry is preferable.The realization needs of the program are a kind of is different from the cross-shaped configuration radiating element that conventional low frequency is bowl-shape, and this radiating element uses aluminium alloy integration die cast, and volume is little, lightweight, product cost is low.
In addition to bandwidth of operation and scheme demand, another problem that antenna for base station faces is intermodulation and stability thereof.The intermodulation performance of antenna for base station determines the antenna interference level to other frequency ranges, is one of the core index of antenna for base station.Antenna for base station design process does not require nothing more than intermodulation index good, also require that intermodulation index is stable, the extraneous factor impact that vibrations, transport etc. are complicated can be born, and radiating element is as one of parts producing intermodulation product, intermodulation and the stability important thereof to antenna for base station.
Summary of the invention
For solving above-mentioned technical problem, it is desirable to provide a kind of volume is little, the cross-shaped configuration radiating element of bandwidth, intermodulation good stability, and the aerial array of a this radiating element of employing.
The technical solution used in the present invention is as follows:
A kind of cross-shaped configuration radiating element, including symmetric radiation arm, feed tab, medium pad, feed Balun support column, plastic feet and feed coaxial cable, described symmetric radiation arm intersects two-by-two in cross distribution, and symmetrical relative to cross-shaped configuration radiating element central rotation；Described medium pad is feed tab support member, isolation feed tab and feed Balun support column；Described feed Balun support column supports and connected symmetrical dendrimer radiation arm；Described plastic feet is arranged on feed Balun support column lower end for feed Balun support column and the extraneous reflecting plate of insulating, and described feed coaxial cable is connected with feed tab by plastic feet.
Wherein, it is two right that described symmetric radiation arm has, and the every pair of symmetric radiation arm is 90 ° and opens to hollow out in the middle of shape, and described symmetric radiation arm and arrange loop trough.
Wherein, described feed Balun support column is divided into four parts, is connected with two pairs of symmetric radiation arms respectively, and four part lower ends connect into entirety, the height of whole feed Balun support column is slightly less than 0.25 λ, and wherein λ is the center frequency point wavelength that cross-shaped configuration radiating element working frequency range is corresponding.
Wherein, described feed Balun support column and described symmetric radiation arm junction are provided with cylindrical boss and balun through hole；It is two right that four parts of described feed Balun support column are divided into, and every centering comprises a cylindrical boss and a balun through hole, and two pairs of cylindrical bosses and balun through hole exist difference in height.
Wherein, described feed coaxial cable is divided into feed coaxial cable outer conductor and feed inner conductor two parts, described feed coaxial cable outer conductor is through extraneous reflecting plate, plastic feet and feed Balun support column and is connected to balun through-hole wall, and described feed inner conductor is connected with one end of feed tab through extraneous reflecting plate, plastic feet with balun through hole.
Wherein, described feed tab is two, and size shape is identical, and each feed tab includes feed tab cuboid and the feed tab cylinder of two ends semicircular in shape that centre is rectangle, two described feed tab are that decussation is arranged, and one of them feed tab is on the other side；The feed tab being positioned at lower section is designated as lower feed tab；Feed tab above is designated as feed tab；The two ends of described feed tab offer two circular holes varied in size, macropore is designated as feed tab boss through hole, aperture is designated as feed tab inner wire through hole, and the feed inner conductor with the cylindrical boss of feed Balun support column upper end with through balun through hole is connected respectively；Totally four, described medium pad, it is shaped as hollow cylinder, is individually fixed in the feed inner conductor and cylindrical boss of balun through hole, and supports two feed tab, to separate feed tab and feed Balun support column.
Wherein, the junction of described symmetric radiation arm and feed Balun support column is provided with contiguous block and realizes connecting and fixing；Described plastic feet is the insulating part bottom feed Balun support column, and described plastic feet is provided with four limited post through holes, two plastic feet feed through holes and a plastic feet screwing through hole；Four described limited post through hole connections corresponding with four balun limited posts of feed Balun support column lower end, feed coaxial cable is connected through plastic feet feed through hole with feed tab.
Use 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 is symmetrical in surrounding shape as radiation border by four high frequency radiating element, several cross-shaped configuration radiating elements are linearly arranged on reflecting plate, and separated with reflecting plate by plastic feet, feed coaxial cable is connected with feed tab through reflecting plate with after plastic feet.
Wherein, four balun limited posts of feed Balun support column lower end are spacing on reflecting plate by four limited post through holes on plastic feet, and each cross-shaped configuration radiating element by resistance to fall the plastic feet screwing through hole that penetrates on described plastic feet of glue screw be fixed on reflecting plate, and use cross Rigid Fastener to increase firmly installing property, described cross Rigid Fastener offers Rigid Fastener screwing through hole, resistance to fall glue screw by the plastic feet screwing through hole on Rigid Fastener screwing through hole and plastic feet, 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 is arranged, the upper feed tab of adjacent cross-shaped configuration radiating element is identical with the placement location of lower feed tab；The array pitch of cross-shaped configuration radiating element is 2 times of high frequency radiating element array pitch, is equivalent to 0.7 λ, and wherein λ is the center frequency point wavelength that cross-shaped configuration radiating element working frequency range is corresponding.
Beneficial effect: the invention provides the base station antenna radiation unit that a kind of wideband, intermodulation good stability and volume are little, and a kind of base-station antenna array using this kind of radiating element, the symmetric radiation arm of the present invention intersects in cross distribution two-by-two, and it is symmetrical relative to cross-shaped configuration radiating element central rotation, by the optimization to radiative unit structure, antenna size and feed tab, it is possible to achieve big bandwidth of operation.Owing to feed Balun structure contact with reflecting plate by plastic feet, and use resistance to fall glue screw is fixing and Rigid Fastener increase installation strength, it is possible to achieve excellent intermodulation index.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 2 is the Split type structure schematic diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 3 is the Facad structure schematic diagram 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 feed tab and the dielectric pad chip architecture schematic diagram of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 6 is the plastic feet structural representation of the cross-shaped configuration radiating element of the embodiment of the present invention；
Fig. 7 is the aerial array Facad structure schematic diagram 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-；3-feed Balun support column；4-medium pad；5-plastic feet；6-cylindrical boss；The upper cylindrical boss of 6-A-；Cylindrical boss under 6-B；7-balun through hole；7-A-upper balun through hole；Balun through hole under 7-B-；8-balun gap；9-balun limited post；10-loop trough；11-radiating surface gap；12, balun column wall；13-balun screwing through hole；14-contiguous block；15, balun groove；16-feed tab boss through hole；17-feed tab inner wire through hole；18-feed tab cylinder；19-feed tab cuboid；20-medium shim through bore；21-plastic feet feed through hole；22-limited post through hole；23-plastic feet screwing through hole, 24-feeds coaxial cable；25-feeds 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-resistance to fall glue screw.
Detailed description of the invention
In conjunction with the accompanying drawings and embodiments, technical solution of the present invention presented below specifically describes.
See Fig. 1, Fig. 2, the cross-shaped configuration radiating element 30 of the present invention includes symmetric radiation arm 1, feed tab 2, feed Balun support column 3, medium pad 4, plastic feet 5 and feed coaxial cable 24, it is two right that symmetric radiation arm 1 has, two pairs of symmetric radiation arms 1 intersect in crossing distribution, form dual polarised radiation body.Every pair of symmetric radiation arm 1 opens to hollow out in the middle of shape, and described symmetric radiation arm 1 in 90 ° and arranges loop trough 10.Two symmetric radiation arms 1 are symmetrical relative to the central rotation of cross-shaped configuration radiating element 30, thus for two polarised directions, radiant body is identical, and this layout can strengthen the concordance between two polarization.Described medium pad 4 is feed tab 2 support member, isolation feed tab 2 and feed Balun support column 3；Described feed Balun support column 3 supports and connected symmetrical dendrimer radiation arm 1；Described plastic feet 5 is arranged on feed Balun support column 3 lower end and is connected with feed tab 2 by plastic feet 5 for feed Balun support column 3 and the extraneous reflecting plate 31 of insulating, described feed coaxial cable 24.Seeing Fig. 3-Fig. 4, the cross-shaped configuration radiating element 30 of the present invention includes cylindrical boss 6, balun through hole 7, balun gap 8, balun limited post 9, loop trough 10, radiating surface gap 11, balun column wall 12, balun screwing through hole 13, contiguous block 14, balun groove 15, feed coaxial cable 24.Wherein, cylindrical boss 6 is divided into cylindrical boss 6-A and lower cylindrical boss 6-B, and balun through hole 7 is divided into balun through hole 7-A and lower balun through hole 7-B.Cylindrical boss 6 and balun through hole 7 are arranged on feed Balun support column 3 and described symmetric radiation arm 1 junction.Described feed coaxial cable 24 is divided into feed inner conductor 25 and feed coaxial cable outer conductor 26, described feed coaxial cable outer conductor 26 is through extraneous reflecting plate 31, plastic feet 5 and feed Balun support column 3 and is connected to balun through hole 7 inwall, and described feed inner conductor 25 is connected through extraneous reflecting plate 31, plastic feet 5 with one end of balun through hole 7 with feed tab 2.It is loop trough 10 that symmetric radiation arm 1 two ends respectively exist a undercut slots, and the gap between adjacent symmetric radiation arm 1 is radiating surface gap 11, and both are bigger on the impact of cross-shaped configuration radiating element 30 performance parameter.Upper cylindrical boss 6-A, lower cylindrical boss 6-B, upper balun through hole 7-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 is mainly had on feed Balun support column 3.Wherein going up cylindrical boss 6-A, lower cylindrical boss 6-B and through upper balun through hole 7-A, the feed inner conductor 25 of lower balun through hole 7-B, the two ends with two feed tab 2 are connected respectively；Balun gap 8 and the internal structure that balun column wall 12 is feed Balun support column 3, feed Balun support column 3 is divided into four parts, four part upper ends are connected with two pairs of symmetric radiation arms 1 respectively, four part lower ends are connected as an entirety, and design a balun screwing through hole 13 fixing for cross symmetric radiation elements 30, it is two right that 3 four parts of feed Balun support column are divided into, every centering comprises a cylindrical boss 6 and a balun through hole 7, and two pairs of cylindrical bosses 6 and balun through hole 7 exist difference in height.The height of whole feed Balun support column 3 is slightly less than 0.25 λ, and wherein λ is the center frequency point wavelength that cross-shaped configuration radiating element 30 working frequency range is corresponding；Balun limited post 9 does not rotates at horizontal plane mainly for cross-shaped configuration radiating element 30；Balun groove 15 processes mainly for the loss of weight in structure.In order to increase the fastness between symmetric radiation arm 1 and feed Balun support column 3, realize by arranging contiguous block 14 in its junction.
See Fig. 2, Fig. 5, feed tab 2 in the cross-shaped configuration radiating element 30 of the present invention is two, size shape is identical, each feed tab 2 includes feed tab cuboid 19 and the feed tab cylinder 18 of two ends semicircular in shape that centre is rectangle, two described feed tab 2 are arranged in decussation, and one of them feed tab 2 is on the other side；The feed tab 2 being positioned at lower section is designated as lower feed tab 2-B；Feed tab 2 above is designated as feed tab 2-A；The two ends of described feed tab 2 offer two circular holes varied in size, macropore is designated as feed tab boss through hole 16, aperture is designated as feed tab inner wire through hole 17, and the feed inner conductor 25 with the cylindrical boss 6 of feed Balun support column 3 upper end with through balun through hole 7 is connected respectively.Totally four, described medium pad 4, it is shaped as hollow cylinder, offer medium shim through bore 20, four described medium pads 4 are individually fixed in the feed inner conductor 25 and cylindrical boss 6 of balun through hole 7, and support two feed tab 2, to separate feed tab 2 and feed Balun support column 3.
As shown in Fig. 4, Fig. 6, described plastic feet 5 is the insulating part bottom feed Balun support column 3, and described plastic feet 5 is provided with plastic feet feed through hole 21, limited post through hole 22, plastic feet screwing through hole 23；Four described limited post through hole 22 connections corresponding with four balun limited posts 9 of feed Balun support column 3 lower end, feed coaxial cable 24 is connected through plastic feet feed through hole 21 with feed tab 2.Feed coaxial cable 24 feeds through hole 21 through plastic feet, and feed inner conductor 25 is through upper balun through hole 7-A or lower balun through hole 7-B and medium shim through bore 20, being connected with the feed tab inner wire through hole 17 of upper feed tab 2-A or lower feed tab 2-B, upper cylindrical boss 6-A or lower cylindrical boss 6-B is connected through medium shim through bore 20 with the feed tab boss through hole 16 of upper feed tab 2-A or lower feed tab 2-B；The shapes and sizes of feed tab cylinder 18 and feed tab cuboid 19 are bigger to the Circuit Parameter's Influence of cross structural radiation unit 30；Limited post through hole 22 is mainly used between balun limited post 9 and expelling plate 31 insulation, can improve intermodulation performance.
See Fig. 7, Fig. 8, use the aerial array of the cross-shaped configuration radiating element 30 of present invention offer: include multiple cross-shaped configuration radiating element 30, reflecting plate 31 and high frequency radiating element 29；Each cross-shaped configuration radiating element 30 is symmetrically arranged amongst on reflecting plate 31 in surrounding shape as radiation border by by four high frequency radiating element 29, and four high frequency radiating element 29 are designated as 29-A, 29-B, 29-C, 29-D respectively.Several cross-shaped configuration radiating elements 30 are the most equidistantly arranged on reflecting plate 31, and each cross-shaped configuration radiating element 30 can be separated with reflecting plate 31 by plastic feet 5.Every feed coaxial cable 24 on cross-shaped configuration radiating element 30 is through plastic feet feed through hole 21 and reflecting plate 31, feed inner conductor 25, through upper balun through hole 7-A or lower balun through hole 7-B and medium shim through bore 20, is connected with the feed tab inner wire through hole 17 of upper feed tab 2-A or lower feed tab 2-B.Four limited posts 9 of feed Balun support column 3 lower end are fixed on reflecting plate 31 by four limited post through holes 22 on plastic feet 5, at reflecting plate 31 back side, and each cross-shaped configuration radiating element 30 by resistance to fall glue screw 32 penetrate the plastic feet screwing through hole 23 on described plastic feet 5 and be fixed on reflecting plate 31, and use cross Rigid Fastener 27 to increase firmly installing property, described cross Rigid Fastener 27 offers Rigid Fastener screwing through hole 28, use resistance to fall glue screw 32 through Rigid Fastener screwing through hole 28 and plastic feet screwing through hole 23, cross-shaped configuration radiating element 30 is fixed on reflecting plate 31.The most cross Rigid Fastener 27 can increase the installation strength between reflecting plate 31 and cross-shaped configuration radiating element 30, improves the stability of antenna intermodulation.
The symmetric radiation arm 1 of each cross-shaped configuration radiating element 30 is along ± 45oDirection is arranged, upper feed tab 2-A of adjacent cross-shaped configuration radiating element 30 is identical with the placement location of lower feed tab 2-B；The array pitch of cross-shaped configuration radiating element 30 is 2 times of high frequency radiating element 29 array pitch, is equivalent to 0.7 λ, and wherein λ is the center frequency point wavelength that cross-shaped configuration radiating element 30 working frequency range is corresponding.
The cross-shaped configuration radiating element 30 that the present invention provides can realize broadband by adjusting feed tab 2 size shape and symmetric radiation arm 1 size.Owing to cross-shaped configuration radiating element 30 and reflecting plate 31 is separated by plastic feet 5, and by resistance to fall glue screw 32 and cross Rigid Fastener 27 cross-shaped configuration radiating element 30 is fixed on reflecting plate 31, thus the intermodulation performance of antenna is excellent.The bowl-shape radiating element used relative to other schemes, the advantages such as it is little that this radiating element has volume, lightweight, and cost is low, the aerial array that the present invention provides is for multiport ultra-wideband antenna for base station, and antenna radiation pattern symmetry is good.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert the present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a cross-shaped configuration radiating element (30), it is characterized in that: include symmetric radiation arm (1), feed tab (2), medium pad (4), feed Balun support column (3), plastic feet (5) and feed coaxial cable (24), described symmetric radiation arm (1) intersects two-by-two in cross distribution, and symmetrical relative to cross-shaped configuration radiating element (30) central rotation；Described medium pad (4) is feed tab (2) support member, isolation feed tab (2) and feed Balun support column (3)；Described feed Balun support column (3) supports and connected symmetrical dendrimer radiation arm (1)；Described plastic feet (5) is arranged on feed Balun support column (3) lower end and is used for insulate feed Balun support column (3) and extraneous reflecting plate (31), and described feed coaxial cable (24) is passed through plastic feet (5) and is connected with feed tab (2).
Cross-shaped configuration radiating element (30) the most according to claim 1, it is characterized in that: it is two right that described symmetric radiation arm (1) has, every pair of symmetric radiation arm (1) is opened to hollow out in the middle of shape, and described symmetric radiation arm (1) in 90 ° and is arranged loop trough (10).
Cross-shaped configuration radiating element (30) the most according to claim 2, it is characterized in that: described feed Balun support column (3) is divided into four parts, it is connected with two pairs of symmetric radiation arms (1) respectively, and four part lower ends connect into entirety, the height of whole feed Balun support column (3) is slightly less than 0.25 λ, and wherein λ is the center frequency point wavelength that cross-shaped configuration radiating element (30) working frequency range is corresponding.
Cross-shaped configuration radiating element (30) the most according to claim 3, it is characterised in that: described feed Balun support column (3) and described symmetric radiation arm (1) junction are provided with cylindrical boss (6) and balun through hole (7)；It is two right that (3) four parts of described feed Balun support column are divided into, and every centering comprises a cylindrical boss (6) and a balun through hole (7), and two pairs of cylindrical bosses (6) and balun through hole (7) exist difference in height.
Cross-shaped configuration radiating element (30) the most according to claim 4, it is characterized in that: described feed coaxial cable (24) is divided into feed coaxial cable outer conductor (26) and feed inner conductor (25) two parts, described feed coaxial cable outer conductor (26) is through extraneous reflecting plate (31), plastic feet (5) and feed Balun support column (3) are also connected to balun through hole (7) inwall, described feed inner conductor (25) is through extraneous reflecting plate (31), plastic feet (5) is connected with one end of balun through hole (7) with feed tab (2).
Cross-shaped configuration radiating element (30) the most according to claim 5, it is characterized in that: described feed tab (2) is two, size shape is identical, each feed tab (2) includes feed tab cuboid (19) and the feed tab cylinder (18) of two ends semicircular in shape that centre is rectangle, two described feed tab (2) are arranged in decussation, and one of them feed tab (2) is on the other side；The feed tab (2) being positioned at lower section is designated as lower feed tab (2-B)；Feed tab (2) above is designated as feed tab (2-A)；The two ends of described feed tab (2) offer two circular holes varied in size, macropore is designated as feed tab boss through hole (16), aperture is designated as feed tab inner wire through hole (17), and the feed inner conductor (25) with the cylindrical boss (6) of feed Balun support column (3) upper end with through balun through hole (7) is connected respectively；Described medium pad (4) totally four, it is shaped as hollow cylinder, it is individually fixed in the feed inner conductor (25) and cylindrical boss (6) of balun through hole (7), and supports two feed tab (2), to separate feed tab (2) and feed Balun support column (3).
Cross-shaped configuration radiating element (30) the most according to claim 1, it is characterised in that: the junction of described symmetric radiation arm (1) and feed Balun support column (3) is provided with contiguous block (14) and realizes connecting and fixing；Described plastic feet (5) is the insulating part of feed Balun support column (3) bottom, four limited post through holes (22), two plastic feets feed through hole (21) and a plastic feet screwing through hole (23) it is provided with on described plastic feet (5)；Four described limited post through hole (22) connections corresponding with four balun limited posts (9) of feed Balun support column (3) lower end, feed coaxial cable (24) is connected through plastic feet feed through hole (21) with feed tab (2).
8. use according to the aerial array of cross-shaped configuration radiating element (30) described in any one of claim 1-7, it is characterised in that: include multiple cross-shaped configuration radiating element (30), reflecting plate (31) and high frequency radiating element (29)；Each cross-shaped configuration radiating element (30) is symmetrical in surrounding shape as radiation border by four high frequency radiating element (29), several cross-shaped configuration radiating elements (30) are linearly arranged on reflecting plate (31), and separated with reflecting plate (31) by plastic feet (5), feed coaxial cable (24) is connected with feed tab (2) through reflecting plate (31) afterwards with plastic feet (5).
nullAerial array the most according to claim 8，It is characterized in that: four balun limited posts (9) of feed Balun support column (3) lower end are spacing on reflecting plate (31) by four limited post through holes (22) on plastic feet (5)，And each cross-shaped configuration radiating element (30) by resistance to fall the plastic feet screwing through hole (23) that penetrates on described plastic feet (5) of glue screw (32) be fixed on reflecting plate (31)，And use cross Rigid Fastener (27) to increase firmly installing property，Described cross Rigid Fastener (27) offers Rigid Fastener screwing through hole (28)，Resistance to fall glue screw (32) by the plastic feet screwing through hole (23) on Rigid Fastener screwing through hole (28) and plastic feet (5), cross-shaped configuration radiating element (30) is fixed on reflecting plate (31).
Aerial array the most according to claim 8, it is characterised in that: the symmetric radiation arm (1) of each cross-shaped configuration radiating element (30) is along ± 45oDirection is arranged, the upper feed tab (2-A) of adjacent cross-shaped configuration radiating element (30) is identical with the placement location of lower feed tab (2-B)；The array pitch of cross-shaped configuration radiating element (30) is 2 times of high frequency radiating element (29) array pitch, is equivalent to 0.7 λ, and wherein λ is the center frequency point wavelength that cross-shaped configuration radiating element (30) working frequency range is corresponding.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039751A (en) * | 2017-01-12 | 2017-08-11 | 成都天锐通科技有限公司 | A kind of helical antenna of uhf band |
| 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 |
| WO2018072415A1 (en) * | 2016-10-20 | 2018-04-26 | 深圳国人通信股份有限公司 | Novel antenna radiation unit |
| 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 |
| CN108832310A (en) * | 2018-06-26 | 2018-11-16 | 江苏亨鑫科技有限公司 | A broadband dual-polarization radiation unit used in multi-frequency base station antenna |
| 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 |
| CN110994179A (en) * | 2019-09-30 | 2020-04-10 | 京信通信技术(广州)有限公司 | Feed assembly and radiation unit |
| 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 |
| CN112310644A (en) * | 2020-09-29 | 2021-02-02 | 武汉虹信科技发展有限责任公司 | 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 |
| CN116404416A (en) * | 2023-05-23 | 2023-07-07 | 江苏亨鑫科技有限公司 | Feed assembly with U-shaped structure and antenna unit |
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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 |
| CN107039751A (en) * | 2017-01-12 | 2017-08-11 | 成都天锐通科技有限公司 | A kind of helical antenna of uhf 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 broadband dual-polarization radiation unit used in multi-frequency base station antenna |
| 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 |
| CN110994179A (en) * | 2019-09-30 | 2020-04-10 | 京信通信技术(广州)有限公司 | Feed assembly and radiation unit |
| 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 |
| CN112310644A (en) * | 2020-09-29 | 2021-02-02 | 武汉虹信科技发展有限责任公司 | Array antenna, base station system and antenna performance adjusting method |
| 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 |
| CN114614241B (en) * | 2020-12-07 | 2024-06-25 | 广东博纬通信科技有限公司 | Decoupled dual-polarized low-frequency oscillator, antenna and method |
| CN116404416A (en) * | 2023-05-23 | 2023-07-07 | 江苏亨鑫科技有限公司 | Feed assembly with U-shaped structure and antenna unit |
| 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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