CN107946777A - A kind of dedicated dual-polarization radiating unit of smart antenna and mounting means - Google Patents
A kind of dedicated dual-polarization radiating unit of smart antenna and mounting means Download PDFInfo
- Publication number
- CN107946777A CN107946777A CN201710970252.0A CN201710970252A CN107946777A CN 107946777 A CN107946777 A CN 107946777A CN 201710970252 A CN201710970252 A CN 201710970252A CN 107946777 A CN107946777 A CN 107946777A
- Authority
- CN
- China
- Prior art keywords
- feed tab
- oscillator arms
- metal feed
- smart antenna
- polarization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- 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
- H01Q1/36—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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
Abstract
The present invention relates to communication antenna technical field, and in particular to a kind of dedicated dual-polarization radiating unit of smart antenna and mounting means, including radiating principal, feed tab component；Radiating principal and feed tab component nested encryptions；The radiating principal includes balanced feeding device, symmetric radiation body and installation pedestal；Symmetric radiation body is fixedly connected with installation pedestal by balanced feeding device；The feed tab component includes the first metal feed tab, the second metal feed tab, supporting plastic part, spacing plastic part；First metal feed tab, the second metal feed tab are fixed on supporting plastic part at the same time, both staggeredly keep insulation up and down；Spacing plastic part is fixed on the first metal feed tab, the tail end of the second metal feed tab.Be conducive to the electromagnetic coupled between reduction unit, to smart antenna isolation, the index such as cross polarization discrimination and sector power ratio is greatly improved.Compared to existing radiating element, the present invention is simple for structure, is easily assembled, and is adapted to produce in enormous quantities.
Description
Technical field
The present invention relates to communication antenna technical field, and in particular to a kind of dedicated dual-polarization radiating unit of smart antenna and
Mounting means.
Background technology
Current intelligent antenna technology has become in mobile communication most one of technology of attraction, it is each by adjusting
The amplitude and phase of antenna array signals, user is directed toward by shaped-beam, improves the gain of antenna, is reduced between user
Interference, improves power system capacity, and extensive utilization has been obtained in TD-SCDMA system and TD-LTE system.Antenna is as wireless
The throat thoroughfare of communication system is radiation with receiving electromagnetic waves component.One secondary high performance antenna can not only relax
The requirement of communication system and the performance that whole system can be improved.And the radiating element of antenna is that base station array antenna is most basic
With most important part.
In the design process of antenna, on the premise of ensureing that antenna possesses excellent electric property and structural reliability,
Also require Antenna Design succinct, easy to the quick production of batch.Usually, smart antenna is as more array antennas, array pitch
1/2 wavelength of centre frequency, structure is extremely compact, and feeding network is sufficiently complex.And it is current, existing radiating element composition is compact
After array, there are strong electromagnetic coupling effect between unit, cause isolation between antennas, cross polarization discrimination, Sector Power
The indexs such as accounting are generally poor；Unit common configuration itself is complicated at the same time, and assembling is cumbersome, and uniformity is poor.In addition, existing radiation is single
Member is mainly connected by coaxial cable with feed circuit, is caused feeding network form excessively complicated, is seriously unfavorable for producing in batches.
The content of the invention
Therefore, in view of said circumstances, the present invention propose a kind of dedicated dual-polarization radiating unit of smart antenna, electricity after battle array is organized
Gas superior performance, uniformity is good, simple for structure, easy to assemble.Meanwhile propose a kind of assembly of radiating elements in metallic reflection plate
Mode, be conducive to simplify feeding network, optimize inner antenna integral layout.
It is an object of the invention to realize a kind of dedicated dual-polarization radiating unit of smart antenna and mounting means, Yi Zhongzhi
The dual-polarization radiating unit of energy antenna-specific, including radiating principal, feed tab component；Radiating principal is nested with feed tab component even
Connect；
The radiating principal includes balanced feeding device, symmetric radiation body and installation pedestal；Symmetric radiation body and installation base
Seat is fixedly connected by balanced feeding device；
The feed tab component includes the first metal feed tab, the second metal feed tab, supporting plastic part, spacing plastics
Part；First metal feed tab, the second metal feed tab are fixed on supporting plastic part at the same time, both staggeredly keep exhausted up and down
Edge；Spacing plastic part is fixed on the first metal feed tab, the tail end of the second metal feed tab.
Further, the balanced feeding device is the middle cylindrical structure emptied.
Further, the symmetric radiation body includes the first oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator
Arm；
First oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms are all fixedly linked with balanced feeding device；
The center of first oscillator arms and the 3rd oscillator arms relative equilibrium feeder equipment is centrosymmetric distribution, and formation+
The symmetric radiation combination of 45 degree of polarization directions；
The center of second oscillator arms and the 4th oscillator arms relative equilibrium feeder equipment is centrosymmetric distribution, and formation-
The symmetric radiation combination of 45 degree of polarization directions；
The symmetric radiation body forms T-type structure with balanced feeding device.
Further, first oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms are engraved structure.
First oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms have gap to be separated by, and are parallel to each other.Institute
It is in the same plane to state the first oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms, with the metallic reflection
Plate is parallel.
Further, the first metal feed tab and the second metal feed tab, are arranged inside balanced feeding device；
The symmetric radiation combination of right+45 degree polarization direction of first metal feed tab is fed；
The symmetric radiation combination of the p- 45 degree of polarization directions of second metal feed tab is fed；
Further, one end of the first metal feed tab and the second metal feed tab is welded through spacing plastic part
It is connected on power-devided circuit plate, the other end is fixed among two pairs of oscillator arms of radiation through supporting plastic part.
Correspondingly, a power-devided circuit plate corresponds at least two radiating elements.
Further, the first metal feed tab, the welding termination of the second metal feed tab are welded in power-devided circuit plate
Input port at；
Correspondingly, coaxial cable is welded in total equipped at outlet port of power-devided circuit plate；
The power-devided circuit plate is installed between radiating element and metallic reflection plate using rivet, in installation pedestal and metal
The junction of reflecting plate hollows out；
The metallic reflection plate is dug at the first metal feed tab, the second metal feed tab and the power-devided circuit plate place of being welded to connect
It is empty.
Further, the installation pedestal includes a fixing lug boss, two positive stop lug boss；
Fixing lug boss is fixedly connected with metallic reflection plate using metal screws, and positive stop lug boss passes through metallic reflection plate；
The fixing lug boss is provided with a fixed circular hole；The metal expelling plate is dedicated bipolar for fixing smart antenna
Change radiating element.
Further, being integrated of radiating element die cast, operating frequency range 1880-2700MHz.
Compared with prior art, the invention has the advantages that：
The special more existing radiating element of dual-polarization radiating unit bore of smart antenna proposed by the present invention is less than normal, opposing metallic
The more existing radiating element of height of reflecting plate is bigger than normal, is conducive to the electromagnetic coupled between reduction unit, to smart antenna isolation,
The effect of being greatly improved of the index such as cross polarization discrimination and sector power ratio.Compared to existing radiating element, the present invention carries
The special dual-polarization radiating unit of smart antenna gone out is simple for structure, is easily assembled；It electrically has very high one with structural behaviour
Cause property and reliability, are adapted to produce use in enormous quantities.
Brief description of the drawings
Fig. 1 is a kind of dedicated dual-polarization radiating unit structure diagram of smart antenna of the present invention；
Fig. 2 is a kind of dedicated dual-polarization radiating unit partial structural diagram of smart antenna of the present invention；
Fig. 3 is a kind of dedicated dual-polarization radiating unit front installation instructions schematic diagram of smart antenna of the present invention；
Fig. 4 is a kind of dedicated dual-polarization radiating unit back side installation instructions schematic diagram of smart antenna of the present invention；
Fig. 5 is normal procedure intelligent aerial array figure；
Description of reference numerals：
1- radiating principals；2- feed tab components；3- balanced feeding devices；4- symmetric radiation bodies；5- installation pedestals；6- work(point
Circuit board；7- metallic reflection plates；8- rivets；201- the first metal feed tabs；202- the second metal feed tabs；203- supporting plastics
Part；The spacing plastic parts of 204-；The first oscillator arms of 401-, the second oscillator arms of 402-, the 3rd oscillator arms of 403-, the 4th oscillators of 404-
Arm；501- fixing lug boss；502- positive stop lug boss；601- power-devided circuit plates input port；Total delivery outlet of 602- power-devided circuit plates；D-
Array pitch.
Embodiment
For ease of being better understood from the purpose of the present invention, structure and function etc., in conjunction with attached drawing and specific embodiment party
The invention will be further described for formula.
As shown in Figure 1 and Figure 2, the dedicated dual-polarization radiating unit of a kind of smart antenna, including radiating principal 1, feed tab group
Part 2；Radiating principal 1 and 2 nested encryptions of feed tab component
The radiating principal includes balanced feeding device 3, symmetric radiation body 4 and installation pedestal 5；Symmetric radiation body 4 and peace
Dress pedestal 5 is fixedly connected by balanced feeding device 3；
The feed tab component include the first metal feed tab 201, the second metal feed tab 202, supporting plastic part 203,
Spacing plastic part 204；First metal feed tab 201, the second metal feed tab 202 are fixed on supporting plastic part 203 at the same time,
Both staggeredly keep insulation up and down；Spacing plastic part 204 is fixed on the first metal feed tab 201, the second metal feed tab 202
Tail end, to ensure that metal feed tab and radiating principal 1 are state of insulation.
The balanced feeding device 3 is the middle cylindrical structure emptied, and includes external conductor and inner conductor.It is wherein exterior
Conductor is divided into four parts, supports respectively upwards and connects a corresponding oscillator arms in radiator, downwards unified connection installation
Pedestal 5, a U-shaped balun feed converter is formed with installation pedestal 5；
The symmetric radiation body 4 includes four oscillator arms：First oscillator arms 401, the second oscillator arms 402, the 3rd oscillator arms
403rd, the 4th oscillator arms 404, are all fixedly linked with balanced feeding device 3.First oscillator arms, 401 and the 3rd oscillator arms 403
The center of relative equilibrium feeder equipment 3 is centrosymmetric distribution, forms the symmetric radiations combination of+45 degree polarization directions, same
The center of 404 relative equilibrium feeder equipment 3 of second oscillator arms 402 and the 4th oscillator arms is also centrosymmetric distribution, forms -45 degree
The symmetric radiation combination of polarization direction.Each oscillator arms is engraved structure, is expanding the premise of radiating element impedance bandwidth
Under, be conducive to mitigate weight.
Preferably, the symmetric radiation body 4 forms T-type structure with balanced feeding device 3.First oscillator arms 401,
Two oscillator arms 402, the 3rd oscillator arms 403, the 4th oscillator arms 404 are parallel to each other, and have certain interval to be separated by.And first oscillator arms
401st, the second oscillator arms 402, the 3rd oscillator arms 403, the 4th oscillator arms 404 are in the same plane, with the metallic reflection
Plate 7 is parallel.The first metal feed tab 201 and the second metal feed tab 202, are arranged inside balanced feeding device 3.First
The symmetric radiation combination that metal feed tab 201 right+45 spends polarization direction is fed, 202 p- 45 degree of pole of the second metal feed tab
The symmetric radiation combination for changing direction is fed.
The first metal feed tab 201, one end of the second metal feed tab 202 pass through spacing plastic part 204 from installation
Base 5 exposes it and welds termination；The first metal feed tab 201, the other end of the second metal feed tab 202 are moulded through support
Materials and parts 203 are fixed among two pairs of oscillator arms of radiation.
As shown in Figure 2, Figure 3, Figure 4, the effect of the installation pedestal 5 is assembly of radiating elements in metallic reflection plate 7
On, it includes a fixing lug boss 501 and two positive stop lug boss 502, wherein fixing lug boss 501 be provided with a fixed circular hole with
Metallic reflection plate 7 is connected using metal screws；Wherein positive stop lug boss 502 passes through metallic reflection plate 7, to reach to radiating element
Spacing purpose is carried out, so as to ensure the uniformity of antenna performance.
The power-devided circuit plate 6 is installed between radiating element and metallic reflection plate 7 using rivet 8, and in installation pedestal 5
Hollowed out with the junction of metallic reflection plate 7, to ensure radiating principal 1 with power-devided circuit plate 6 for state of insulation.
The first metal feed tab 201, the welding termination of the second metal feed tab 202 are welded in power-devided circuit plate 6
At input port 601.Coaxial cable is welded at total delivery outlet 602 of power-devided circuit plate, to transmit total output signal.
The metallic reflection plate 7 is welded in the first metal feed tab 201, the second metal feed tab 202 with power-devided circuit plate 6
Junction hollows out, to ensure that it insulate with the first metal feed tab 201, the second metal feed tab 202.Preferably, a work(point
Circuit board 6 corresponds to two or more radiating elements.
Preferably, being integrated of the radiating element die cast, its operating frequency range are 1880-2700MHz.
As shown in figure 5, smart antenna is as more array antennas, and 1/2 wavelength of frequency centered on conventional arrays space D, knot
Structure is extremely compact, and there are strong electromagnetic coupling effect between unit.Preferably, the caliber size of the radiating element is more existing
Radiating element is less than normal, and the more existing radiating element of height of opposing metallic reflecting plate is bigger than normal, is conducive to the electromagnetism between reduction unit
Coupling, is conducive to the lifting of the indexs such as the isolation, cross polarization discrimination and sector power ratio of aerial array.
It is proposed a kind of mounting means of radiating element at the same time, coaxial cable and transmission network are directly welded not on radiating element
Network is connected, but is directly installed on power-devided circuit plate 6 and metallic reflection plate 7.Coaxial cable can effectively be reduced
Use, simplify feeding network, reduce pad, Intelligent Optimal inner antenna integral layout, greatly improves the life of smart antenna
Produce efficiency.Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but not
Therefore the limitation to the scope of the claims of the present invention can be interpreted as.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of dedicated dual-polarization radiating unit of smart antenna, it is characterised in that including radiating principal, feed tab component；Spoke
Penetrate main body and feed tab component nested encryptions；
The radiating principal includes balanced feeding device, symmetric radiation body and installation pedestal；Symmetric radiation body leads to installation pedestal
Overbalance feeder equipment is fixedly connected；
The feed tab component includes the first metal feed tab, the second metal feed tab, supporting plastic part, spacing plastic part；The
One metal feed tab, the second metal feed tab are fixed on supporting plastic part at the same time, both staggeredly keep insulation up and down；It is spacing
Plastic part is fixed on the first metal feed tab, the tail end of the second metal feed tab.
A kind of 2. dedicated dual-polarization radiating unit of smart antenna according to claim 1, it is characterised in that the balance
Feeder equipment is the middle cylindrical structure emptied.
3. the dedicated dual-polarization radiating unit of a kind of smart antenna according to claim 1, it is characterised in that described symmetrical
Radiator includes the first oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms；
First oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms are all fixedly linked with balanced feeding device；
The center of first oscillator arms and the 3rd oscillator arms relative equilibrium feeder equipment is centrosymmetric distribution, forms+45 and spends
The symmetric radiation combination of polarization direction；
The center of second oscillator arms and the 4th oscillator arms relative equilibrium feeder equipment is centrosymmetric distribution, forms -45 and spends
The symmetric radiation combination of polarization direction；
The symmetric radiation body forms T-type structure with balanced feeding device.
4. the dedicated dual-polarization radiating unit of a kind of smart antenna according to claim 3, it is characterised in that described first
Oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms are engraved structure；
First oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms have gap to be separated by two-by-two, are parallel to each other, institute
It is in the same plane to state the first oscillator arms, the second oscillator arms, the 3rd oscillator arms, the 4th oscillator arms, with the metallic reflection
Plate is parallel.
5. the dedicated dual-polarization radiating unit of a kind of smart antenna according to claim 1, it is characterised in that described first
Metal feed tab is arranged inside balanced feeding device with the second metal feed tab；
The symmetric radiation combination of right+45 degree polarization direction of first metal feed tab is fed；
The symmetric radiation combination of the p- 45 degree of polarization directions of second metal feed tab is fed.
6. the dedicated dual-polarization radiating unit of a kind of smart antenna according to claim 1, it is characterised in that described first
One end of metal feed tab and the second metal feed tab is welded on power-devided circuit plate through spacing plastic part, and the other end is worn
Supporting plastic part is crossed to be fixed among two pairs of oscillator arms of radiation；
Correspondingly, a power-devided circuit plate corresponds at least two radiating elements.
7. the dedicated dual-polarization radiating unit of a kind of smart antenna according to claim 6, it is characterised in that described first
Metal feed tab, the welding termination of the second metal feed tab are welded at the input port of power-devided circuit plate；
Correspondingly, coaxial cable is welded in total equipped at outlet port of power-devided circuit plate；
The power-devided circuit plate is installed between radiating element and metallic reflection plate using rivet, in installation pedestal and metallic reflection
The junction of plate hollows out；
The metallic reflection plate hollows out at the first metal feed tab, the second metal feed tab and the power-devided circuit plate place of being welded to connect.
A kind of 8. dedicated dual-polarization radiating unit of smart antenna according to claim 1, it is characterised in that the installation
Pedestal includes a fixing lug boss, two positive stop lug boss；
Fixing lug boss is fixedly connected with metallic reflection plate using metal screws, and positive stop lug boss passes through metallic reflection plate；
The fixing lug boss is provided with a fixed circular hole；The metal expelling plate is used to fix the dedicated dual polarization spoke of smart antenna
Penetrate unit.
A kind of 9. dedicated dual-polarization radiating unit of smart antenna according to claim 1, it is characterised in that radiating element
Being integrated die cast, operating frequency range 1880-2700MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970252.0A CN107946777A (en) | 2017-10-18 | 2017-10-18 | A kind of dedicated dual-polarization radiating unit of smart antenna and mounting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970252.0A CN107946777A (en) | 2017-10-18 | 2017-10-18 | A kind of dedicated dual-polarization radiating unit of smart antenna and mounting means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107946777A true CN107946777A (en) | 2018-04-20 |
Family
ID=61936234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710970252.0A Pending CN107946777A (en) | 2017-10-18 | 2017-10-18 | A kind of dedicated dual-polarization radiating unit of smart antenna and mounting means |
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| Country | Link |
|---|---|
| CN (1) | CN107946777A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109830798A (en) * | 2018-12-20 | 2019-05-31 | 吴通控股集团股份有限公司 | A kind of new antenna a period of time |
| CN110661076A (en) * | 2019-08-22 | 2020-01-07 | 中国通信建设集团设计院有限公司 | Dual-polarized radiation unit and antenna for 5G communication |
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| CN204966683U (en) * | 2015-10-09 | 2016-01-13 | 广东博纬通信科技有限公司 | Super wide band double polarization is symmetrical antenna unit not |
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| CN207602795U (en) * | 2017-10-18 | 2018-07-10 | 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 |
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| CN203205543U (en) * | 2012-10-23 | 2013-09-18 | 京信通信技术(广州)有限公司 | Low-profile radiation unit and miniature dual-polarized antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN110661076A (en) * | 2019-08-22 | 2020-01-07 | 中国通信建设集团设计院有限公司 | Dual-polarized radiation unit and antenna for 5G communication |
| CN110661076B (en) * | 2019-08-22 | 2021-04-20 | 中国通信建设集团设计院有限公司 | Dual-polarized radiation unit and antenna for 5G communication |
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