CN208256915U - A kind of wide-angle scanning multibeam lens antenna - Google Patents
A kind of wide-angle scanning multibeam lens antenna Download PDFInfo
- Publication number
- CN208256915U CN208256915U CN201820742284.5U CN201820742284U CN208256915U CN 208256915 U CN208256915 U CN 208256915U CN 201820742284 U CN201820742284 U CN 201820742284U CN 208256915 U CN208256915 U CN 208256915U
- Authority
- CN
- China
- Prior art keywords
- lens
- antenna
- transfer chamber
- focus
- wide
- 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.)
- Active
Links
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model 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) is internally provided with printed board (4), the rectangle mounting groove (5) matched with focus transfer chamber (2) is offered at the top of installation cavity (1), the bottom of focus transfer chamber (2) is mounted on the printed board (4) by the rectangle mounting groove (5)；The lens body (3) is arranged at the top of the focus transfer chamber (2).The utility model, as lens body, is realized wide-angle wave cover and guarantees 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 focus transfer chamber by the utility model, to ensure that the overall performance of antenna.
Description
Technical field
The utility model relates to multibeam lens antenna fields, scan multibeam lens day more particularly to a kind of wide-angle
Line.
Background technique
With being constantly progressive for science and technology, frequent, the data of forth generation communication (4G) of the exchange of data traffic more
Transmission rate has had arrived at bottleneck.And for bigger channel capacity, the tight demand of faster traffic rate makes entirely logical
Letter industry starts to communicate for the 5th generation the research and development of (5G) investment flood tide and explore more be suitble to various communication fields to wish to develop
The communication system of scape.Communication network below for traditional 5G, due to its work 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
(such as system is mutually made an uproar) is also more increased in method, the requirement to system complete machine and use environment；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 from radio frequency band by 5G communication
(mm-Wave) frequency range can obtain bigger absolute bandwidth, so as to quickly and conveniently obtain faster traffic rate and
Bigger message capacity.
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) and smaller system sensitivity, for improving EIRP, improves day
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 antenna.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide that a kind of coverage area is big, gain effect is good
Wide-angle scan multibeam lens antenna.
The purpose of this utility model is achieved through the following technical solutions: a kind of wide-angle scanning multibeam lens day
Line, including installation cavity, focus transfer chamber and lens body, the installation inside cavity are provided with printed board, the installation
The rectangle mounting groove matched with focus transfer chamber is offered at the top of cavity, the bottom of focus transfer chamber passes through described
Rectangle mounting groove is mounted in the printed board of the installation inside cavity；The lens body is arranged in the focus transfer chamber
Top.
Preferably, the lens body is sphere lens；It is provided at the top of the focus transfer chamber and lens body
The polygonal grooves matched, 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 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 by focus transfer chamber to lens body；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 utility model are: the utility model is using sphere lens as lens body, realization wide-angle
Wave cover simultaneously guarantees wave beam performance and gain performance；Simultaneously, it is contemplated that the sphere lens that the main body of lens antenna is, and ball
Circumferentially, this will lead to plane feed effectively to feed lens antenna the focus of shape lens, therefore this is practical
It is novel that the curved surface focal plane of sphere lens is transformed to by plane focal plane by focus transfer chamber, to ensure that the globality of antenna
Energy；Also, the feed array and switch arrays are integrated into a double-layer PCB board, reduce rigging error.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is the explosive view of the utility model；
Fig. 3 is the structural schematic diagram of focus transfer chamber；
Fig. 4 is the standing wave curve synoptic diagram of the utility model antenna；
Fig. 5 is the horizontal radiation pattern of 26GHz horizontal polarization；
Fig. 6 is the horizontal radiation pattern of 26GHz vertical polarization；
In figure, 1- installs cavity, and 2- focus transfer chamber, 3- lens body, 4- printed board, 5- rectangle mounting groove, 6- is more
Side connected in star, 7- fixing piece, 8- lens arrangement screw, 9- transitional cavity, 10- waveguide, 11- wave guide wall.
Specific embodiment
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to 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
The rectangle mounting groove 5 that cavity 2 matches is changed, 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 top of the focus transfer chamber 2 is arranged in the lens body 3.
In embodiments herein, the lens body 3 is sphere lens；The top of the focus transfer chamber 2 is set
The polygonal grooves 6 matched with lens body are equipped with, the lens body 3 is mounted on focus conversion by polygonal grooves 6
The top of cavity 2.
In embodiments herein, the fixation there are two symmetrical fixing piece 7 is also set up on the lens body 3
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
Threaded hole is provided at the top of part 7 and focus transfer chamber 2, the lens arrangement screw 8 passes through fixing piece 7 and focus converts 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 inside installation cavity 1 by printed board rigging screw；
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；Day is provided 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 is control module, the control module is connect with each switch module respectively.
For the multi-beam function of realizing antenna, feed array needs 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 can use micro- on the first layer pcb board
It is realized with antenna, to reach compact-sized, manufactures easy feature, use 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 directlys adopt PCB technology completion, is guaranteeing to fill
In the case where with precision, the complexity of antenna is further reduced；In some embodiments, the control module also with it is external
Host computer connection is convenient to user and is controlled by host computer feed switching.
Conventional lenses antenna such as this kind of lens antenna of convex lens antenna, due to only one focus of this kind of lens, antenna
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 minor lobe, which is raised, to be more obvious；In order to improve beam coverage, the utility model use sphere lens as
Lens body, may be implemented wide-angle wave cover and wave beam consistent performance is maintained, and gain penalty is inhibited；And this
The curved surface focal plane of sphere lens is transformed to plane focal plane by focus transfer chamber by utility model, to ensure that the whole of antenna
Body performance；In embodiments herein, the installation cavity 1 and focus transfer chamber 2 use aluminum cavity, can not only be used for tying
Structure support, can also be used as conducting-heat elements, and the heat derives that inside cavity is generated avoid antenna and feed from generating because of power amplifier
Heat and generate deformation, to influence antenna performance.
As shown in figure 3, being provided with multichannel waveguide 10, each road in the focus transfer chamber 2 in embodiments herein
It is separated between waveguide 10 by wave guide wall 11, the trend per the waveguide 10 described all the way is directed to the center of circle of lens body 3；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 will realize
Point.
The course of work of the utility model is as follows: when transmitting signal, external TR component is passed radiofrequency signal by feeder line
Pass the switch arrays of antenna, switch arrays according to the control signal of control module, gate feed array certain all the way, make radio frequency
Signal passes to corresponding feed module, and phase center is transformed into sphere lens master by focus transfer chamber 2 by feed module
On body, then by the aggregation feature generation electromagenetic wave radiation of lens antenna, the gating that entire feed array passes through switch arrays is
The switching that different feed modules can be achieved, to achieve the purpose that beam scanning；In embodiments herein, the utility model
When realizing the radiation of Dual-polarized electricity magnetic wave using two radio-frequency channels, beam coverage can achieve ± 45 °；
In embodiments herein, for the performance for verifying the utility model, wide-angle is swept using electromagnetic simulation software
It retouches multibeam lens antenna to be modeled, emulated, obtains gain, directional diagram and the standing wave curve of antenna: the standing wave curve of antenna
Schematic diagram is as shown in Figure 4, it is seen that return loss minimum value is 10dB within the scope of frequency range 25.1GHz ~ 26.9GHz；Antenna exists
The horizontal radiation pattern of 26GHz horizontal polarization is as shown in Figure 5, it is seen then that the angle of coverage of antenna horizontal polarization wave beam be greater than ±
45 °, maximum gain is greater than 15dBi；Antenna is as shown in Figure 6 in the horizontal radiation pattern of 26GHz vertical polarization, it is seen then that antenna hangs down
The angle of coverage of straight polarization wave beam is greater than ± 45 °, and maximum gain is greater than 15dBi；In conclusion can be seen by simulation result
Out, (two polarized wave covers are big greatly with coverage area for the wide-angle scanning multibeam lens antenna of the utility model
In ± 45 °), the good advantage of gain effect.
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)
With lens body (3), the installation cavity (1) is internally provided with printed board (4), is offered at the top of the installation cavity (1)
Pacified by the rectangle bottom of the rectangle mounting groove (5) matched with focus transfer chamber (2), focus transfer chamber (2)
Tankage (5) is mounted in the internal printed board (4) of installation cavity (1)；Lens body (3) setting turns in the focus
Change the top of cavity (2).
2. a kind of wide-angle according to claim 1 scans multibeam lens antenna, it is characterised in that: the lens body
It (3) is sphere lens.
3. a kind of wide-angle according to claim 1 scans multibeam lens antenna, it is characterised in that: the focus conversion
The polygonal grooves (6) matched with lens body are provided at the top of cavity (2), the lens body (3) passes through polygon
Groove (6) is mounted on the top of focus transfer chamber (2).
4. a kind of wide-angle according to claim 3 scans multibeam lens antenna, it is characterised in that: the lens body
(3) it is also set up on there are two symmetrical fixing piece (7), the fixing piece (7) is fixed on focus by lens arrangement screw (8) and turns
It changes at the top of cavity (2), and then realizes the fixation of lens body (3).
5. a kind of wide-angle according to claim 4 scans multibeam lens antenna, it is characterised in that: the fixing piece
(7) and at the top of focus transfer chamber (2) it is provided with threaded hole, the lens arrangement screw (8) passes through fixing piece (7) and focus
Lens body (3) is fixed at the top of focus transfer chamber (2) by the threaded hole at the top of transfer chamber (2).
6. a kind of wide-angle according to claim 1 scans multibeam lens antenna, it is characterised in that: the printed board
(4) installation cavity (1) inside is fixed on by printed board rigging screw.
7. a kind of wide-angle according to claim 1 scans multibeam lens antenna, it is characterised in that: the printed board
(4) it is double-layer structure, including first layer pcb board and second layer pcb board, is provided with multibeam antenna in the first layer pcb board
Feed array, by focus transfer chamber (2) to lens body (3) feed；Antenna is provided 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 |
|---|---|---|---|
| CN201820742284.5U CN208256915U (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 |
|---|---|---|---|
| CN201820742284.5U CN208256915U (en) | 2018-05-18 | 2018-05-18 | A kind of wide-angle scanning multibeam lens antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256915U true CN208256915U (en) | 2018-12-18 |
Family
ID=66480581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742284.5U Active CN208256915U (en) | 2018-05-18 | 2018-05-18 | A kind of wide-angle scanning multibeam lens antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736171A (en) * | 2018-05-18 | 2018-11-02 | 成都泰格微波技术股份有限公司 | A kind of wide-angle scanning multibeam lens antenna |
-
2018
- 2018-05-18 CN CN201820742284.5U patent/CN208256915U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736171A (en) * | 2018-05-18 | 2018-11-02 | 成都泰格微波技术股份有限公司 | A kind of wide-angle scanning multibeam lens antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108736171A (en) | A kind of wide-angle scanning multibeam lens antenna | |
| Ala-Laurinaho et al. | 2-D beam-steerable integrated lens antenna system for 5G $ E $-band access and backhaul | |
| Pan et al. | A low-profile programmable beam scanning holographic array antenna without phase shifters | |
| CN103490156B (en) | With the millimeter wave convertible reflective array antenna that plane feed is integrated | |
| EP3813196B1 (en) | Microwave device and network system | |
| KR101700403B1 (en) | 3D beamforming antenna | |
| US20190267721A1 (en) | Waveguide antenna element-based beam forming phased array antenna system for millimeter wave communication | |
| CN105552573B (en) | The symmetrical media filler cylindrical lens antenna of dual polarization Waveguide slot feed | |
| CN104901023A (en) | Broadband foldable reflective array antenna | |
| US20190131720A1 (en) | Antenna system | |
| CN104134856A (en) | Dual-polarization broadband antenna oscillator unit and broadband dual-polarization antenna | |
| CN106129593A (en) | A kind of all-metal Phased Array Radar Antenna unit of two dimension wide angle scanning | |
| CN104852124A (en) | Satellite-borne K-band phased array antenna circularly-polarized waveguide radiation array | |
| WO2021017777A1 (en) | Antenna device and electronic device | |
| CN103050782B (en) | Multi-beam plane patch lens antenna | |
| CN100455075C (en) | Realizing apparatus for space multi-wave beam feed network | |
| CN114400451A (en) | Printed dipole lens antenna applied to 5G communication | |
| Moknache et al. | A switched-beam linearly-polarized transmitarray antenna for V-band backhaul applications | |
| CN112886276A (en) | Multi-beam lens antenna and active lens antenna system | |
| CN208256915U (en) | A kind of wide-angle scanning multibeam lens antenna | |
| CN208507973U (en) | Beam-forming network, sub-antenna array and the two-beam antenna for the railway system | |
| CN109560384B (en) | Improved quasi-self-complementary broadband multimode antenna applied to LTE/WWAN | |
| Tiwari et al. | Active beamsteerable digital metasurface lens antenna for millimeter-wave applications | |
| US20220247067A1 (en) | Base station antenna | |
| KR102274497B1 (en) | Antenna device including parabolic-hyperbolic reflector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |