CN108736171A - A kind of wide-angle scanning multibeam lens antenna - Google Patents
A kind of wide-angle scanning multibeam lens antenna Download PDFInfo
- Publication number
- CN108736171A CN108736171A CN201810478503.8A CN201810478503A CN108736171A CN 108736171 A CN108736171 A CN 108736171A CN 201810478503 A CN201810478503 A CN 201810478503A CN 108736171 A CN108736171 A CN 108736171A
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- lens
- antenna
- transfer chamber
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- 238000012546 transfer Methods 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000003491 array Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 8
- 230000005855 radiation Effects 0.000 description 8
- 230000010287 polarization Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- H01Q19/06—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 refracting or diffracting devices, e.g. lens
-
- 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
- H01Q19/06—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 refracting or diffracting devices, e.g. lens
- H01Q19/062—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 refracting or diffracting devices, e.g. lens for focusing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/245—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching in the focal plane of a focussing device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
Abstract
The invention discloses a kind of wide-angles to scan multibeam lens antenna, including installation cavity（1）, focus transfer chamber（2）And lens body（3）, the installation cavity（1）It is internally provided with printed board（4）, the installation cavity（1）Top offer and focus transfer chamber（2）Matched rectangle mounting groove（5）, focus transfer chamber（2）Bottom pass through the rectangle mounting groove（5）Mounted on the printed board（4）On；The lens body（3）It is arranged in the focus transfer chamber（2）Top.The present invention, as lens body, is realized wide-angle wave cover and ensures wave beam performance and gain performance using sphere lens；Simultaneously, it is contemplated that the sphere lens that the main body of lens antenna is, and the focus of sphere lens is circumferentially, therefore the curved surface focal plane of sphere lens is transformed to plane focal plane by the present invention by focus transfer chamber, to ensure that the overall performance of antenna.
Description
Technical field
The present invention relates to multibeam lens antenna fields, and multibeam lens antenna is scanned more particularly to a kind of wide-angle.
Background technology
With being constantly progressive for science and technology, frequent, the forth generation communication of data traffic exchanged more（4G）Data
Transmission rate has had arrived at bottleneck.And for the channel capacity of bigger, the tight demand of faster traffic rate makes entirely logical
Letter industry starts to communicate for the 5th generation（5G）Various communication fields can be more suitble to exploration to wish to develop by putting into the research and development of flood tide
The communication system of scape.For traditional 5G communication networks below, since it is operated in 6GHz hereinafter, its absolute bandwidth extremely has
Limit.In order to improve traffic rate, more complicated modulator approach or more websites are often used.But use more complicated modulation
Method, the requirement to system complete machine and use environment are also more increased（Such as system is mutually made an uproar）；And the method for website is not increased also not
The demand of traffic rate can inherently be solved.And the frequency spectrums of operation of its system is increased to millimeter wave by 5G communications from radio frequency band
（mm-Wave）Frequency range can obtain the absolute bandwidth of bigger, so as to quickly and conveniently obtain faster traffic rate and
The message capacity of bigger.
Since the wavelength of millimeter wave frequency band is much smaller than the wavelength of radio frequency band, and the space beam path loss of millimeter-wave communication system
Consumption will be above RF communication system, this is also the more important for limiting millimetre-wave attenuator, in order to make up the link of millimetre-wave attenuator
Loss, just needs higher effective omnidirectional radiation power（EIRP）With smaller system sensitivity day is improved for improving EIRP
The gain of line is an effectively measure.The antenna of traditional high-gain has narrower wave beam, is suitable for point-to-point communication more,
And the beam angle of the antenna requirement antenna of region overlay is used for compared with therefore traditional high-gain aerial is not suitable for applied to region
Covering.In order to which high-gain aerial is applied on the application scenarios of region overlay, the high-gain lens antenna of multi-beam system
Development is the key point of 5G antennas.
Invention content
It is big that it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of coverage areas is big, gain effect is good
Angle scanning multibeam lens antenna.
The purpose of the present invention is achieved through the following technical solutions：A kind of wide-angle scanning multibeam lens antenna,
Installation cavity, focus transfer chamber and lens body, the installation inside cavity are provided with printed board, the installation cavity
Top offer with the matched rectangle mounting groove of focus transfer chamber, the bottom of focus transfer chamber passes through the rectangle
Mounting groove is mounted in the printed board of the installation inside cavity；The lens body is arranged on the top of the focus transfer chamber
Portion.
Preferably, the lens body is sphere lens；It is provided at the top of the focus transfer chamber and lens body
Matched polygonal grooves, the lens body are mounted on the top of focus transfer chamber by polygonal grooves.
Preferably, it is also set up on the lens body there are two symmetrical fixing piece, the fixing piece passes through lens arrangement
Screw is fixed at the top of focus transfer chamber, and then realizes the fixation of lens body；Specifically, the fixing piece and focus conversion
Threaded hole is both provided at the top of cavity, the lens arrangement screw passes through the threaded hole at the top of fixing piece and focus transfer chamber,
Lens body is fixed at the top of focus transfer chamber.
Preferably, the printed board is fixed on installation inside cavity by printed board rigging screw.
Wherein, the printed board is double-layer structure, including first layer pcb board and second layer pcb board, the first layer PCB
It is provided with the feed array of multibeam antenna in plate, is fed to lens body by focus transfer chamber；The second layer pcb board
In be provided with the switch arrays of antenna, the switch arrays are connect with feed array, realize the gating of feed array.
The feed array includes multiple feed modules, and the switch arrays include multiple switch module, the feed mould
Block is identical as switch module number and connects one to one；Control module, the control are additionally provided in the second layer pcb board
Module is connect with each switch module respectively.
The beneficial effects of the invention are as follows：The present invention, as lens body, realizes wide-angle wave cover using sphere lens
And ensure wave beam performance and gain performance；Simultaneously, it is contemplated that the sphere lens that the main body of lens antenna is, and sphere lens
Circumferentially, this may result in plane feed and cannot effectively be fed to lens antenna focus, therefore the present invention passes through focus
The curved surface focal plane of sphere lens is transformed to plane focal plane by transfer chamber, to ensure that the overall performance of antenna；Also, it is described
Feed array and switch arrays are integrated into a double-layer PCB board, reduce rigging error.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the explosive view of the present invention；
Fig. 3 is the structural schematic diagram of focus transfer chamber；
Fig. 4 is the standing wave curve synoptic diagram of inventive antenna；
Fig. 5 is the horizontal radiation pattern of 26GHz horizontal polarizations；
Fig. 6 is the horizontal radiation pattern of 26GHz vertical polarizations；
In figure, 1- installs cavity, 2- focus transfer chambers, 3- lens bodies, 4- printed boards, 5- rectangle mounting grooves, 6- polygons
Groove, 7- fixing pieces, 8- lens arrangement screws, 9- transitional cavities, 10- waveguides, 11- wave guide walls.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1 and 2, a kind of wide-angle scans multibeam lens antenna, including installation cavity 1, focus transfer chamber 2
With lens body 3, the installation cavity 1 is internally provided with printed board 4, and the top of the installation cavity 1 is offered to be turned with focus
Change 2 matched rectangle mounting groove 5 of cavity, the bottom of focus transfer chamber 2 is mounted on described by the rectangle mounting groove 5
It installs in the printed board 4 inside cavity 1；The lens body 3 is arranged at the top of the focus transfer chamber 2.
In embodiments herein, the lens body 3 is sphere lens；The top of the focus transfer chamber 2 is set
It is equipped with and is converted mounted on focus by polygonal grooves 6 with the matched polygonal grooves 6 of lens body, the lens body 3
The top of cavity 2.
In embodiments herein, also set up on the lens body 3 there are two symmetrical fixing piece 7, the fixation
Part 7 is fixed on 2 top of focus transfer chamber by lens arrangement screw 8, and then realizes the fixation of lens body 3；The fixation
Part 7 and 2 top of focus transfer chamber are both provided with threaded hole, and the lens arrangement screw 8 passes through fixing piece 7 and focus to convert chamber
Lens body 3 is fixed on 2 top of focus transfer chamber by the threaded hole at 2 top of body.
In embodiments herein, the printed board 4 is fixed on by printed board rigging screw inside installation cavity 1；
The printed board 4 is double-layer structure, including first layer pcb board and second layer pcb board, is provided in the first layer pcb board more
The feed array of beam antenna is fed by focus transfer chamber 2 to lens body 3；It is provided with day in the second layer pcb board
The switch arrays of line, the switch arrays are connect with feed array, realize the gating of feed array.
In embodiments herein, the feed array includes multiple feed modules, and the switch arrays include multiple
Switch module, the feed module is identical as switch module number and connects one to one；It is also set up in the second layer pcb board
There are control module, the control module to be connect respectively with each switch module.
To realize that the multi-beam function of antenna, feed array need to have the ability that feed is switched fast；The application's
In embodiment, it is contemplated that the integrated level of system, multiple feed modules of feed array may be used micro- on the first layer pcb board
It is realized with antenna, to reach compact-sized, manufactures easy feature, using microstrip antenna as antenna feed, also more opened up
Malleability is more convenient to realize the multibeam lens antenna of multichannel；In view of millimeter wave frequency band, feed is realized using radio-frequency joint
Connection with switch arrays can introduce a large amount of rigging error, deteriorate the performance of antenna, in order to reduce rigging error, feed module
Interconnection with switch module uses multi-layer-coupled structure, and multi-layer-coupled structure directly uses PCB technology to complete, and is ensureing to fill
In the case of with precision, the complexity of antenna is further reduced；In some embodiments, the control module also with it is external
Host computer connects, and is convenient to user and is controlled feed switching by host computer.
Conventional lenses antenna such as this kind of lens antenna of convex lens antenna, since only there are one focus, antennas for this kind of lens
Wave beam can generate deterioration as feed deviates lens focus, when focus of the feed apart from lens antenna is remoter, the increasing of antenna
Benefit declines more serious, and secondary lobe is raised more apparent；In order to improve beam coverage, the present invention uses sphere lens as lens
Main body, may be implemented wide-angle wave cover and wave beam consistent performance is maintained, and gain penalty is inhibited；And the present invention
The curved surface focal plane of sphere lens is transformed to plane focal plane by focus transfer chamber, to ensure that the overall performance of antenna；
In embodiments herein, the installation cavity 1 and focus transfer chamber 2 use aluminum cavity, can not only be used for structural support,
Conducting-heat elements are can also be used as, the heat derives that inside cavity is generated avoid antenna and feed due to the heat that power amplifier generates
Deformation is generated, to influence antenna performance.
As shown in figure 3, in embodiments herein, multichannel waveguide 10, each road are provided in the focus transfer chamber 2
It is separated by wave guide wall 11 between waveguide 10, the center of circle of lens body 3 is directed to per the trend of the waveguide 10 all the way；The coke
There is also transitional cavities 9 between point transfer chamber 2 and lens body 3；Described in the electromagnetic wave feed-in first that feed array generates
Waveguide 10, then by waveguide 10 by the electromagnetic transmission of feed-in to transitional cavity 9, radiated from crossing cavity 9 to lens body 3；Due to
Waveguide 10 walks to be directed toward the center of circle of lens body 3, thus by the focus transfer chamber 2 after, feed generate along normal direction radiation electric
Magnetic wave can be converted into the electromagnetic wave radially radiated, and the curved surface focus of lens body is converted to plane coke to realize
Point.
The course of work of the present invention is as follows：When emitting signal, external TR components are passed to radiofrequency signal by feeder line
The switch arrays of antenna, switch arrays according to the control signal of control module, gate feed array certain all the way, make radiofrequency signal
Corresponding feed module is passed to, phase center is transformed into sphere lens main body by feed module by focus transfer chamber 2,
Electromagenetic wave radiation is generated by the aggregation feature of lens antenna again, entire feed array can be realized by the gating of switch arrays
The switching of different feed modules, to achieve the purpose that beam scanning；In embodiments herein, the present invention is penetrated using two
When the radiation of Dual-polarized electricity magnetic wave is realized in frequency channel, beam coverage can reach ± 45 °；
In embodiments herein, for the performance of the verification present invention, multi-beam is scanned to wide-angle using electromagnetic simulation software
Lens antenna is modeled, is emulated, and gain, directional diagram and the standing wave curve of antenna are obtained：The standing wave curve synoptic diagram of antenna is such as
Shown in Fig. 4, it is seen that return loss minimum value is 10dB within the scope of frequency range 25.1GHz ~ 26.9GHz；Antenna is in the horizontal poles 26GHz
The horizontal radiation pattern of change is as shown in Figure 5, it is seen then that the angle of coverage of antenna horizontal polarization wave beam is more than ± 45 °, and maximum gain is big
In 15dBi；Antenna is as shown in Figure 6 in the horizontal radiation pattern of 26GHz vertical polarizations, it is seen then that antennas orthogonal polarization wave beam covers
Lid angle is more than ± 45 °, and maximum gain is more than 15dBi；In conclusion can be seen that the big angle of the present invention by simulation result
Degree scanning multibeam lens antenna has coverage area big（Two polarized wave covers are all higher than ± 45 °）, gain effect is good
Advantage.
Claims (9)
1. a kind of wide-angle scans multibeam lens antenna, it is characterised in that：Including installing cavity（1）, focus transfer chamber（2）
And lens body（3）, the installation cavity（1）It is internally provided with printed board（4）, the installation cavity（1）Top offer
With focus transfer chamber（2）Matched rectangle mounting groove（5）, focus transfer chamber（2）Bottom pass through the rectangle and pacify
Tankage（5）Mounted on the installation cavity（1）Internal printed board（4）On；The lens body（3）Setting turns in the focus
Change cavity（2）Top.
2. a kind of wide-angle according to claim 1 scans multibeam lens antenna, it is characterised in that：The lens body
（3）For sphere lens.
3. a kind of wide-angle according to claim 1 scans multibeam lens antenna, it is characterised in that：The focus conversion
Cavity（2）Top be provided with and the matched polygonal grooves of lens body（6）, the lens body（3）Pass through polygon
Groove（6）Mounted on focus transfer chamber（2）Top.
4. a kind of wide-angle according to claim 3 scans multibeam lens antenna, it is characterised in that：The lens body
（3）On also set up there are two symmetrical fixing piece（7）, the fixing piece（7）Pass through lens arrangement screw（8）Focus is fixed on to turn
Change cavity（2）Top, and then realize lens body（3）Fixation.
5. a kind of wide-angle according to claim 4 scans multibeam lens antenna, it is characterised in that：The fixing piece
（7）With focus transfer chamber（2）Top is both provided with threaded hole, the lens arrangement screw（8）Across fixing piece（7）And focus
Transfer chamber（2）The threaded hole at top, by lens body（3）It is fixed on focus transfer chamber（2）Top.
6. a kind of wide-angle according to claim 1 scans multibeam lens antenna, it is characterised in that：The printed board
（4）It is fixed on installation cavity by printed board rigging screw（1）It is internal.
7. a kind of wide-angle according to claim 1 scans multibeam lens antenna, it is characterised in that：The printed board
（4）For double-layer structure, including first layer pcb board and second layer pcb board, multibeam antenna is provided in the first layer pcb board
Feed array, pass through focus transfer chamber（2）To lens body（3）Feed；It is provided with antenna in the second layer pcb board
Switch arrays, the switch arrays are connect with feed array, realize the gating of feed array.
8. a kind of wide-angle according to claim 7 scans multibeam lens antenna, it is characterised in that：The feed array
Including multiple feed modules, the switch arrays include multiple switch module, and the feed module is identical as switch module number
And it connects one to one.
9. a kind of wide-angle according to claim 8 scans multibeam lens antenna, it is characterised in that：The second layer
Control module is additionally provided in pcb board, the control module is connect with each switch module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478503.8A CN108736171A (en) | 2018-05-18 | 2018-05-18 | A kind of wide-angle scanning multibeam lens antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478503.8A CN108736171A (en) | 2018-05-18 | 2018-05-18 | A kind of wide-angle scanning multibeam lens antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108736171A true CN108736171A (en) | 2018-11-02 |
Family
ID=63937624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810478503.8A Pending CN108736171A (en) | 2018-05-18 | 2018-05-18 | A kind of wide-angle scanning multibeam lens antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108736171A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739552A (en) * | 2019-10-31 | 2020-01-31 | Oppo广东移动通信有限公司 | Lens structure, lens antenna and electronic equipment |
| CN110739549A (en) * | 2019-10-29 | 2020-01-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110739551A (en) * | 2019-10-29 | 2020-01-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110943278A (en) * | 2019-10-29 | 2020-03-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110943303A (en) * | 2019-10-29 | 2020-03-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN112751206A (en) * | 2019-10-31 | 2021-05-04 | Oppo广东移动通信有限公司 | Lens structure, lens antenna and electronic equipment |
| WO2023005612A1 (en) * | 2021-07-28 | 2023-02-02 | 中兴通讯股份有限公司 | Multi-beam lens antenna and an antenna device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110739549A (en) * | 2019-10-29 | 2020-01-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110739551A (en) * | 2019-10-29 | 2020-01-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110943278A (en) * | 2019-10-29 | 2020-03-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110943303A (en) * | 2019-10-29 | 2020-03-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
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| CN110739552A (en) * | 2019-10-31 | 2020-01-31 | Oppo广东移动通信有限公司 | Lens structure, lens antenna and electronic equipment |
| CN112751206A (en) * | 2019-10-31 | 2021-05-04 | Oppo广东移动通信有限公司 | Lens structure, lens antenna and electronic equipment |
| CN110739552B (en) * | 2019-10-31 | 2021-10-22 | Oppo广东移动通信有限公司 | Lens structure, lens antenna and electronic equipment |
| WO2023005612A1 (en) * | 2021-07-28 | 2023-02-02 | 中兴通讯股份有限公司 | Multi-beam lens antenna and an antenna device |
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