CN108242596A - Antenna element and antenna for base station - Google Patents
Antenna element and antenna for base station Download PDFInfo
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- CN108242596A CN108242596A CN201711395611.0A CN201711395611A CN108242596A CN 108242596 A CN108242596 A CN 108242596A CN 201711395611 A CN201711395611 A CN 201711395611A CN 108242596 A CN108242596 A CN 108242596A
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- feeding network
- reflecting plate
- framework
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- 229920003023 plastic Polymers 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 230000035945 sensitivity Effects 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 50
- 238000009413 insulation Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000003780 insertion Methods 0.000 abstract description 10
- 230000037431 insertion Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 238000009713 electroplating Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 230000012447 hatching Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
-
- 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
-
- 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
- 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
- H01Q19/104—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 using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The present invention provides a kind of antenna element, including：Pedestal, including for isolation board of the reflection electromagnetic wave to improve the reflecting plate of the sensitivity of aerial signal and be formed in the opposite both sides of reflecting plate；The surface of reflecting plate has mutually perpendicular one laterally and one is longitudinal；Feeding network, for transmitting electromagnetic wave, feeding network is arranged on reflecting plate；Radiating element, for emitting or receiving electromagnetic wave；Multiple baluns, are arranged between radiating element and feeding network；Radiating element is electrically connected by balun and feeding network；Feeding network, pedestal and balun integrated setting.Inventive antenna unit and antenna for base station are designed by the way that pedestal, feeding network and balun are integrally formed, its function is realized by plastic electroplating technique, simplify assemble flow, and reduce the Insertion Loss of antenna in this way, material consistency is also high；Feeding network uses the feeder line of channel-type simultaneously, the mode of transmission electromagnetic wave in the medium is changed to transmit in air, Insertion Loss is reduced.
Description
Technical field
The invention belongs to technical field of radio, are to be related to a kind of antenna element and antenna for base station more specifically.
Background technology
Although 4G networks are gradually built up, network size tends towards stability, and frequency resource is in short supply, huge energy consumption and net
The optimization problem of network can not be ignored.Countries in the world are conceived to the research and development of 5G, develop higher frequency resource.And extensive Phalanx
It is the core technology of following 5G research and development.With the raising of frequency, Insertion Loss and consistency problem just become especially prominent.How to develop
Go out to be suitable for the antenna for base station of 5G frequency ranges, and meet filter with low insertion loss, the index requests such as consistency height are one of emphasis of current research.
At present, traditional antenna for base station is mainly by oscillator, the compositions such as feeding network, calibration network, reflecting plate and isolation board.
And oscillator and feeding network are separating component, are connected as a single entity by erection welding, cause antenna Insertion Loss higher.Feeding network is usual
It is walked in medium using microstrip line or strip line form, electromagnetic wave, loss caused by medium is difficult necessarily to overcome in high frequency；
Simultaneously because high-frequency signal is very sensitive, the consistency of material processing is slightly offset, and very big influence will be brought on electric parameter,
This is all very unfavorable to the exploitation and batch production production of 5G frequency bands base station antennas.
Invention content
The purpose of the present invention is to provide a kind of antenna element and antenna for base station, to solve Insertion Loss in the prior art
The technical issues of height, consistency is relatively low.
To achieve the above object, the technical solution adopted by the present invention is：A kind of antenna element is provided, including：
Pedestal, including for reflection electromagnetic wave to improve the reflecting plate of the sensitivity of aerial signal and be formed in described
The isolation board of the opposite both sides of reflecting plate；The surface of the reflecting plate has mutually perpendicular one laterally and one is longitudinal；
Feeding network, for transmitting the electromagnetic wave, the feeding network is arranged on the reflecting plate；
Radiating element, for emitting or receiving the electromagnetic wave；
Multiple baluns are arranged between the radiating element and the feeding network；The radiating element passes through described bar
Human relations are electrically connected with the feeding network；The feeding network, the pedestal and the balun integrated setting.
Further, the feeding network includes two feeder lines being isolated from each other, and two feeder lines are in institute
It states and setting is aligned on longitudinal center line.
Further, each feeder line includes framework and first partition, and the framework is formed in the reflecting plate
On, the framework is enclosed a groove with the reflecting plate, and the groove is laterally extended along described；The first partition is set
It puts among the groove and the groove is separated into two channels, between the first partition and the madial wall of the framework
Gap is formed with, two channels are connected by the gap.
Further, the framework and the first partition are plastic article, on the madial wall of the framework and described
It is coated with metal layer on the side wall of first partition, the top surface of the framework and the first partition is coated with metal layer.
Further, a notch, each feeder line are each formed in the longitudinal side per the framework
Second partition is further included, one end of the second partition is connect with the first partition, and the other end is through described in notch stretching
Outside framework；The bottom side of the reflecting plate is formed with the terminal for being connect with radio circuit, and first is formed on the reflecting plate
Via, the terminal are electrically connected by first via and the second partition；The terminal and the second partition are equal
It is electrically isolated from one another with the reflecting plate.
Further, the both sides of the feeding network in the cross direction are respectively formed there are four balun；Four of the same side
The balun is mutually electrically isolated from one another.
Further, each balun includes a hollow, a semi open model cylinder and a newel, in described
Empty cylinder, a semi open model cylinder and a newel are electrically isolated from one another；The semi open model cylinder is coaxially set with the newel
It puts；Each newel with the first partition be electrically connected, each semi open model cylinder with the corresponding framework
It is electrically connected.
Further, the top surface of each hollow and the top surface of each semi open model cylinder are each formed with protrusion, institute
It states and multiple through-holes being inserted into for the protrusion is formed on radiating element.
Further, the radiating element includes the tablet of an insulation, and the top surface of the tablet has one radiating surface, institute
Radiating surface has four regions being electrically isolated from each other, and each region is each formed with the conductive layer of an annular；Described four
Region is divided into two first areas and two second areas, and two first areas are diagonally positioned, two secondth areas
Domain is diagonally positioned and adjacent with the first area respectively；Between the conductive layer of two first areas and two
It is connected between the conductive layer of the second area by a connecting piece；Each connection sheet has been respectively formed in described
The second via that stem is inserted into.
A kind of antenna for base station, the antenna for base station include multiple aforementioned antenna elements.
The advantageous effect of antenna element and antenna for base station provided by the invention is：Compared with prior art, day of the present invention
Line unit and antenna for base station are designed by the way that pedestal, feeding network and balun are integrally formed, it is realized by plastic electroplating technique
Function simplifies assemble flow, and reduce the Insertion Loss of antenna in this way, and material consistency is also high；Feeding network uses simultaneously
The mode of transmission electromagnetic wave in the medium is changed to transmit in air by the feeder line of channel-type, and Insertion Loss is reduced.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is antenna element explosive view provided in an embodiment of the present invention；
Fig. 2 is the stereoscopic schematic diagram removed after radiating element of antenna element provided in an embodiment of the present invention；
Fig. 3 is the vertical view removed after radiating element of antenna element provided in an embodiment of the present invention；
Fig. 4 is the close-up schematic view of Fig. 2；
Fig. 5 is the bottom view of antenna element provided in an embodiment of the present invention；
Fig. 6 is the close-up schematic view of Fig. 5；
Fig. 7 is the vertical view of the radiating element of antenna element provided in an embodiment of the present invention；
Fig. 8 is the bottom view of the radiating element of antenna element provided in an embodiment of the present invention；
Fig. 9 is the stereoscopic schematic diagram that the intensive configuration of antenna for base station provided in an embodiment of the present invention is arranged.
Wherein, each reference numeral in figure：
1- pedestals；11- reflecting plates；12- isolation boards；2- feeding networks；21- feeder lines；211- frameworks；212- first every
Plate；213- grooves；214- channels；215- notches；216- baffles；217- bulge-structures；218- terminals；The first vias of 219-；
210- second partitions；3- baluns；31- semi open model cylinders；32- newels；33- hollows；34- protrusions；4- radiating elements；
41- through-holes；42- tablets；43- radiating surfaces；44- regions；45- connection sheets；The second vias of 46-；47- conductive layers；48- third mistakes
Hole；5- antenna elements.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ",
The orientation or position relationship of instructions such as " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this hair
It is bright to have specific orientation, with the device for simplifying description rather than instruction or hint meaning or element with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
Referring to Fig. 1, existing illustrate antenna element 5 provided by the invention.Antenna element 5, including pedestal 1, feed
Network 2, multiple baluns 3 and radiating element 4, pedestal 1 include being used for reflection electromagnetic wave to improve the anti-of the sensitivity of aerial signal
It penetrates plate 11 and is formed in the isolation board 12 of the opposite both sides of reflecting plate 11, isolation board 12 is vertically arranged with reflecting plate 11；Feed
For transmitting electromagnetic wave, feeding network 2 is arranged on reflecting plate 11 network 2；Radiating element 4 is used to radiate or receive electromagnetic wave,
Radiating element 4 is electrically connected by multiple baluns 3 with feeding network 2, the 3 one chemical conversion of pedestal 1, feeding network 2 and multiple baluns
Type designs.
The advantageous effect of antenna element 5 and antenna for base station provided by the invention is：Compared with prior art, day of the present invention
Line unit 5 and antenna for base station simplify assembling stream in this way by the way that pedestal 1, feeding network 2 and balun 3 are integrally formed design
Journey, and the Insertion Loss of antenna is reduced, material consistency is also high；Feeding network 2 uses the feeder line 21 of 214 formula of channel simultaneously,
The form of a three-dimensional air band is constituted, the mode of transmission electromagnetic wave in the medium is changed to transmit in air, Insertion Loss obtains
To reduce.
Further, it please refers to Fig.1 and Fig. 2, as a kind of specific embodiment of antenna element 5 provided by the invention,
Reflecting plate 11 and isolation board 12 are all that plastics are made, then by plastic electroplating technique in its outer surface plated with copper.Pass through plastics
Electroplating technology realizes its function, and material consistency is higher, is conducive to improve the consistency and stability of antenna.
Further, also referring to Fig. 1 to Fig. 3, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, the surface of reflecting plate 11 have one lateral (X-direction in figure) and a longitudinal direction (Y-direction in figure), and feeding network 2 includes two mutually
Mutually the feeder line 21 of insulation, two feeder lines 21 are symmetrical arranged using the center line in the longitudinal direction of reflecting plate 11 as symmetry axis.
Each feeder line 21 includes a framework 211 and a first partition 212, framework 211 are arranged on reflecting plate 11,211 He of framework
Reflecting plate 11 is enclosed a groove 213, and first partition 212 is arranged on the middle part of groove 213, and groove 213 is divided into two
The equal channel 214 of width, the both ends of two channels 214 in the horizontal are interconnected.
Further, also referring to Fig. 1 to Fig. 3, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, block diagram are rectangle framework 211, and in the horizontal, framework 211 forms recessed the length direction of framework 211 with first partition 212
Along being laterally extended, the equal channel 214 of two width connects to forming a head and the tail phase mutually slot 213 at lateral both ends mutually
The channel 214 connect.The distance of the top surface of framework 211 and the top surface of reflecting plate 11 be greater than or equal to the top surface of first partition 212 with
The distance of the top surface of reflecting plate 11.The madial wall of framework 211, the top surface of framework 211 and first partition 212 four sides and
The top surface of first partition 212 is coated with layers of copper, since the outside face of reflecting plate 11 is coated with layers of copper, so framework 211 and reflecting plate
Insulation set, insulation set between first partition 212 and reflecting plate 11, to prevent short circuit, as shown in figure 3, having are wanted between 11
The region 44 of hatching is insulating regions 44, and the region 44 without hatching is copper facing region 44.Electromagnetic wave framework 211 with
It is arranged on the first partition 212 in framework 211 and forms transmission in channel 214, than being passed in the medium as traditional mode
Defeated loss is small, disclosure satisfy that the high-precision requirement of high frequency so that antenna obtains better stability and consistency.
Further, also referring to Fig. 1 to Fig. 3, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, the framework 211 of each feeder line 21 are each formed with a notch 215 in the longitudinal direction, the centre of notch 215 be provided with second every
Plate 210, second partition 210 are connect in the side of longitudinal direction with first partition 212, and the opposite side in longitudinal direction is then prolonged by notch 215
It extends to outside framework 211.It connect to separate in the channel 214 of feeding network 2 with first partition 212 by second partition 210,
To realize the function of its work(point.
Further, also referring to Fig. 1 to Fig. 3, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula is arranged at intervals with a baffle 216, second partition 210 and each baffle 216 in the both sides of second partition 210 in the horizontal
Spacing is equal to the width for the channel 214 that framework 211 is formed with first partition 212.
Further, also referring to Fig. 1 to Fig. 3, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, as framework 211, second partition 210 and baffle 216 are all first made of plastic material, then pass through plastic electroplating technique
In the top surface of second partition 210 and four side wall copper facing, in the top surface of baffle 216 and side copper facing towards second partition 210,
It is made to be connected with feeding network 2, forms the output channel 214 of a feeding network 2.It can as the medium of antenna using plastics
The quality of antenna is greatly reduced, while cost can be reduced, plastic electroplating technique can guarantee the consistency of material, enable the antenna to
Meet requirement of the high frequency to precision.
Further, also referring to Fig. 1 to Fig. 3, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, the top surface of baffle 216 and the distance of radial shield are greater than or equal to the top surface of second partition 210 and the distance of radial shield, baffle
216 top surface and the distance of radial shield are equal to the top surface of framework 211 and the distance of radial shield, and the top surface of second partition 210 is with putting
The distance for penetrating plate is equal to first partition 212, the distance of top surface and radial shield.It can preferably ensure electromagnetic wave at channel in this way
It is successfully conveyed in 214.
Further, also referring to Fig. 1 to Fig. 3, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, the notch 215 of each framework 211 is towards an other framework 211, and baffle 216 and second partition 210 incline in the longitudinal direction
Tiltedly setting, such structure is compact, is conducive to the miniaturization of equipment.
Further, also referring to Fig. 1 to Fig. 3, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, the top surface of each first partition 212 have been respectively formed on bulge-structure 217, and bulge-structure 217 has a stepped knot in the horizontal
Structure.Transmitting antenna to be made matches with feeder line, and the input impedance of antenna should be equal to the characteristic impedance of feeder line.Reception day i.e. to be made
Line matches with receiver, and the input impedance of antenna should be equal to the conjugate complex number of load impedance.Step structure first every
The different side wall of the height of channel 214 is formd on plate 212, different impedances can be provided for antenna, so as to increase antenna
Versatility.
Further, also referring to Fig. 2, Fig. 3, Fig. 5 and Fig. 6, a kind of tool as antenna element 5 provided by the invention
Body embodiment, the another side that the one side with being provided with feeding network 2 of reflecting plate 11 is opposite are provided with a cylindrical terminal
218, terminal 218 and 11 insulation set of reflecting plate, the side outside notch 215 of second partition 210 is formed in by one
The first via 219 on reflecting plate 11 is electrically connected with terminal 218, as shown in figure 5, the 44 not copper facing of region with hatching,
So that 218 and first via 219 of terminal insulate with reflecting plate 11.Terminal 218 is used for the company of feeding network 2 and other networks
It connects, such as calibration network.
Further, also referring to Fig. 1 to Fig. 4, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, the both sides of feeding network 2 in the horizontal are respectively formed there are two balun 3, and each balun 3 includes a semi open model cylinder
31st, a newel 32 and a hollow 33, semi open model cylinder 31 are formed in the side in the horizontal of the top surface of framework 211,
It is integrally formed and designs with framework 211；Newel 32 is a cylinder, be formed in first partition 212 top surface in the horizontal
Side；Semi open model cylinder 31 is coaxially disposed with newel 32, is advantageously implemented integrated draft.
Further, also referring to Fig. 1 to Fig. 4, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, the hollow 33 of balun 3 can also be designed to solid cylinder, and hollow 33 is arranged on reflecting plate 11 and positioned at semi-open
Near formula cylinder 31；Each 3 grade height of balun setting, each balun 3 is square, and arrangement is common to support a radiating element 4.In this reality
It applies in example, the quality of antenna is advantageously reduced using the setting of 33 shape of hollow.
Further, also referring to Fig. 1 to Fig. 4, a kind of specific embodiment party as antenna element 5 provided by the invention
Formula, balun 3 are adopted made of plastic, then layers of copper are plated on the madial wall, lateral wall and roof of hollow 33, to realize it
It is oriented to and amplifies the function of electromagnetic wave；Metallic copper is plated on the side wall of newel 32 and top surface makes it be led with first partition 212
It is logical；Metallic copper is plated on the madial wall, lateral wall and top surface of the balun 3 of semi open model tubular, to realize its function.Balun 3
Using plastics as medium, the manufacture cost of antenna can be effectively reduced, while the quality of antenna can also be mitigated, conducive to antenna
Lightness and cost effective.
Further, also referring to Fig. 1 to Fig. 4, a kind of specific embodiment party as antenna element 5 provided by the invention
The top surface of formula, semi open model cylinder 31 and hollow 33 is respectively formed there are two cylindrical protrusion 34, is then opened up on radiating element 4
There is each raised 34 through-hole 41 being inserted into of 8 confessions.Protrusion 34 does not need to play conductive effect, when installation pass through each raised 34 will bar
Human relations 3 weld together with radiating element 4, and logical is the work that protrusion 34 also plays positioning radiating element 4 when installing radiating element 4
With.
Further, Fig. 7 and Fig. 8 are please referred to, as a kind of specific embodiment of antenna element 5 provided by the invention,
Radiating element 4 is for radiating and receiving electromagnetic wave, and including tablet 42 made of a plastics, the top surface of tablet 42 is rectangular with one
Radiating surface 43,43 quartering of radiating surface be four rectangular regions 44, formed on each region 44 by copper-plated mode
The conductive layer 47 of one annular, insulation set between four regions 44, the part with hatching in figure is insulating surface, remaining
For copper coatings.Two diagonal regions 44 are connected by a connecting piece 45, and connection sheet 45 is also what is formed using copper facing mode,
One second via 46 is offered in each connection sheet 45, the newel 32 of balun 3 is connected by the second via 46 with connection sheet 45,
And then it is connected with corresponding conductive layer 47.
Further, Fig. 7 and Fig. 8 are please referred to, as a kind of specific embodiment of antenna element 5 provided by the invention,
Two diagonal conductive layers 47 are connected in top surface of the wherein connecting plate through tablet 42, and another connecting plate then passes through a third via 48
The back side of tablet 42 is conducted to, then diagonal corresponding conductive layer 47 therewith is conducted to by another third via 48.Such cloth
It puts so that structure is extremely compact, is conducive to the miniaturization of antenna.The shape in certain each region 44 is not limited to rectangular, each conductive layer
47 shape is also not limited to the shape used in the present embodiment.
Referring to Fig. 9, existing illustrate antenna for base station provided by the invention.Antenna for base station includes multiple above-mentioned antennas
Unit 5, mutiple antennas unit 5 can be with staggered arrangements, can not also staggered arrangement.As antenna for base station, which is not only applicable in
In 5G Phalanxs, TD binary channels or eight channel antennas are also applied for, can fix Tilt Anteanna, can also electricity is used as to adjust inclination angle day
Line also can only be worked in the form of binary oscillator, in addition, the novel base station antenna is not limited to 5G frequency ranges, be also applied for 2G,
3G, 4G frequency range.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of antenna element, which is characterized in that including：
Pedestal, including for reflection electromagnetic wave to improve the reflecting plate of the sensitivity of aerial signal and be formed in the reflection
The isolation board of the opposite both sides of plate；The surface of the reflecting plate has mutually perpendicular one laterally and one is longitudinal；
Feeding network, for transmitting the electromagnetic wave, the feeding network is arranged on the reflecting plate；
Radiating element, for emitting or receiving the electromagnetic wave；
Multiple baluns are arranged between the radiating element and the feeding network；The radiating element by the balun with
The feeding network is electrically connected；The feeding network, the pedestal and the balun integrated setting.
2. antenna element as described in claim 1, it is characterised in that：The feeding network includes two feeds being isolated from each other
Circuit, two feeder lines are aligned setting on longitudinal center line.
3. antenna element as claimed in claim 2, it is characterised in that：Each feeder line include framework and first every
Plate, the framework are formed on the reflecting plate, and the framework and the reflecting plate are enclosed a groove, the groove along
It is described to be laterally extended；The first partition is arranged among the groove and the groove is separated into two channels, and described the
Gap is formed between one partition board and the madial wall of the framework, two channels are connected by the gap.
4. antenna element as claimed in claim 3, it is characterised in that：The framework and the first partition are plastic article,
Metal layer, the framework and the first partition are coated on the madial wall of the framework and on the side wall of the first partition
Top surface be coated with metal layer.
5. antenna element as claimed in claim 4, it is characterised in that：Per the framework in the longitudinal equal shape in side
Cheng Youyi notches, each feeder line further include second partition, and one end of the second partition is connect with the first partition,
The other end is stretched out through the notch outside the framework；The bottom side of the reflecting plate is formed with the end for being connect with radio circuit
Son, the first via is formed on the reflecting plate, and the terminal passes through first via and is electrically connected with the second partition；
The terminal and the second partition are electrically isolated from one another with the reflecting plate.
6. antenna element as described in claim 1, it is characterised in that：The equal shape in the both sides of the feeding network in the cross direction
Into there are two baluns；Two baluns of the same side are electrically isolated from one another.
7. antenna element as claimed in claim 6, it is characterised in that：Each balun includes hollow, a half
Open cylinder and a newel, the hollow, a semi open model cylinder and a newel are electrically isolated from one another；It is described half-open
Formula cylinder is put to be coaxially disposed with the newel；Each newel is electrically connected with the first partition, each described half-open
The formula cylinder of putting is electrically connected with the corresponding framework.
8. antenna element as claimed in claim 7, it is characterised in that：The top surface of each hollow and each semi open model
The top surface of cylinder is each formed with protrusion, and multiple through-holes being inserted into for the protrusion are formed on the radiating element.
9. antenna element as claimed in claim 8, it is characterised in that：The radiating element includes the tablet of an insulation, described
The top surface of tablet has one radiating surface, and institute's radiating surface has four regions being electrically isolated from each other, each equal shape in region
The conductive layer of Cheng Youyi annulars；Four regions are divided into two first areas and two second areas, two firstth areas
Domain is diagonally positioned, and two second areas are diagonally positioned and adjacent with the first area respectively；Two described first
It is connected between the conductive layer in region and between the conductive layer of two second areas by a connecting piece；Respectively
The connection sheet is respectively formed on the second via being inserted into for the newel.
10. a kind of antenna for base station, it is characterised in that：The antenna for base station includes multiple claim 1 to 9 any one of them days
Line unit.
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| CN201711395611.0A CN108242596B (en) | 2017-12-21 | 2017-12-21 | Antenna unit and base station antenna |
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| CN201711395611.0A CN108242596B (en) | 2017-12-21 | 2017-12-21 | Antenna unit and base station antenna |
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| CN109167139A (en) * | 2018-08-20 | 2019-01-08 | 京信通信系统（中国）有限公司 | Cavity devices and antenna |
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