CN207719406U - A kind of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens - Google Patents
A kind of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens Download PDFInfo
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- CN207719406U CN207719406U CN201721192039.3U CN201721192039U CN207719406U CN 207719406 U CN207719406 U CN 207719406U CN 201721192039 U CN201721192039 U CN 201721192039U CN 207719406 U CN207719406 U CN 207719406U
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Abstract
The utility model discloses a kind of 20 beam antennas of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, including a shape is the ultra-wideband artificial dielectrics lens of cylinder, and several antenna elements on lens;Antenna element includes the identical independent first antenna unit for 10 2.4GHz being mounted on lens, and each first antenna unit is dipole or micro-strip oscillator with metal floor;It is also mounted on identical independent second antenna element of 10 5GHz on lens, each second antenna element is vertical polarization oscillator or micro-strip oscillator with metal floor.The numbers of beams of antenna totally 20 is equal with antenna element number.Beam gain is 20dBi, and nominal gain is beam gain.20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens provided by the utility model, can cover 180 ° of sectors, and gain 20dBi is suitable for outdoor WiFi antenna for base station.
Description
Technical field
The utility model is related to a kind of WiFi antennas, and in particular, to a kind of double frequency WiFi for mobile communication base station
20 beam antenna of outdoor version artificial dielectric cylindrical lens.
Background technology
With fiber entering household, smart mobile phone is universal, wechat Video chat, voice-enabled chat, Internet data traffic increase,
WiFi is inseparable with people.Demand of the people to WiFi has been not limited to interior, it is also desirable to will be small outside WiFi extending chamber
Enjoy the broadband products such as high speed Internet access foradownloaded video in area.Indoor type wireless router antenna gain only has several dBi, far from biography
Transport to outdoor.It is necessary to build the outdoor base stations WiFi and outdoor WiFi antenna for base station.Most important of which is that antenna wants energy
Super large information capacity is carried, but antenna amount, site cannot be increased.
The multibeam antenna of developed recently is a kind of solves in the intensive office building of user and residential quarters outdoor utility
The preferred plan of WiFi.
Traditional multibeam antenna is to use multiple beam forming network(BFN)Excitation radiation unit planar array or with multistage
Butler matrix etc. is made.It is not only complicated, due also to there is the problems such as asymmetric wave beam, isolation, big via net loss, make its hardly possible
With large-scale application.
Traditional primary globe lens technology of dragon has carrying multiple antennas, multi-beam potentiality.But since its weight is too heavy and system
It is extremely complex to make technique, the 8GHz such as radar passive target acquisition, airfield runway blind landing can only be used as few with super band for a long time
Amount application, it is difficult to enter civil field.
In order to mitigate the weight of the primary ball of dragon, researcher has carried out the effort of decades.See application on the market recently
In the primary globe lens multibeam antenna of dragon of mobile communication, but it is excessively huge.
Utility model content
The purpose of this utility model is to provide a kind of WiFi antennas, has when it is used for outdoor WiFi antenna for base station and is better than
The different characteristics of existing electronics multibeam antenna and spherical Luneburg lens multibeam antenna.
In order to achieve the above object, the utility model provides a kind of double frequency WiFi outdoor version artificial dielectrics cylindrical lens 20
Beam antenna, wherein the antenna includes the ultra-wideband artificial dielectrics lens that a shape is cylinder, and mounted on saturating
Several antenna elements on mirror;The antenna element includes the identical independent of 10 2.4GHz being mounted on lens
First antenna unit, each first antenna unit are dipole or micro-strip oscillator with metal floor;Also install
Identical independent second antenna element of 10 5GHz on lens, each second antenna element are with metal
The vertical polarization oscillator or micro-strip oscillator on floor.Microstrip antenna is usually to be pasted overleaf to have thin metal layer work by conductor sheet
For the antenna formed on the dielectric substrate of earth plate, is usually fed using microstrip transmission line or coaxial probe, conductor is made to paste
Electromagnetic field of high frequency is encouraged between piece and metal ground plate, and passes through the outside spoke in gap between patch surrounding and metal ground plate
It penetrates, metallic conductor patch can also be the thin slice oscillator i.e. dipole of long narrow bar shaped, referred to as micro-strip oscillator antenna.
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the lens, cylinder
A diameter of 600 ± 40mm of body is highly 400 ± 10mm.There is the artificial dielectric cylinder lens multilayer concentric to justify structure, including
The different concentric layer of n dielectric constant, centered cylinder layer are expressed as the 1st layer, around centered cylinder layer successively outside nested arrangement
2nd to n-th layer, and each concentric layer is assembled into a multilayer cylinder, and n concentric layer adds Gao Jie by the base material of low-k
Electric constant, low-gravity material are made, high-k, low-gravity material contained by n concentric layer from the 1st layer to n-th layer by
It is decrescence few.N concentric layer dielectric constant is successively reduced by the 1st layer to n-th layer, specifically in 2.05-1.05 gradual changes.Low dielectric
The base material of constant is 0.02-0.03 g/cm of density3Light-duty foaming media material, preferably polystyrene, polyvinyl chloride or
Polyethylene etc.;High-k, low-gravity material are preferably ceramic powder, aluminium silver powder, wire etc..
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the antenna, wave beam
Number includes 2.4G band beams number 10 and 5G band beams number 10, totally 20, equal with antenna element number;Beam gain
Nominal gain for 20dBi, antenna is beam gain.
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the antenna element,
Each gain>8dBi, standing-wave ratio<1.4, isolation>28dB;The frequency of first antenna unit be 2412-2483MHz, second
The frequency of antenna element is 5150-5350 MHz or 5725-5825 MHz.
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the first antenna list
Member is arranged on the contour of the above 10mm in cylinder periphery Middle Ring Line of lens;Second antenna element is arranged in
Below the cylinder periphery Middle Ring Line of lens on the contour of 10mm.
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the antenna element,
Greatest irradiation direction passes through the axis of lens cylinder;Adjust distance between antenna element surface and lens cylinder face be 40 ±
Maximum antenna gain can be obtained when 20mm.
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the antenna, among it
Frequency wave beam cross value is set as -10dB, determines antenna element between the cylinder outer circular arrangement of artificial dielectrics lens according to it
Every and sequence.
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the antenna, bottom
Equipped with mounting seat, each antenna element is separately connected a coaxial head feeder line, 10 coaxial heads of 10 first antenna units
It is both connected to 10 coaxial heads of 10 the second antenna elements in the mounting seat.
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the antenna is also set
There are mounting bracket and antenna holder, fixed antenna element and lens by mounting bracket, then by antenna holder by antenna and pole
It is fixed.The section of mounting bracket is preferably half rectangular box-like, and top and bottom are parallel and vertical with side wall, and top surface is set there are one square
Shape frame and a triangle frame, a long side of rectangle frame and the bottom edge coincidence of triangle frame, vertex of a triangle and lens
The center of circle of cylinder upper surface is fixed.Top margin of another long side of top of support rectangle frame as side wall is installed.The bottom of mounting bracket
Face is identical as top surface.Between the cylinder of lens is fixed on the top and bottom of mounting bracket by upper and lower surface, day
Line unit is fixed between the side wall of mounting bracket and the cylinder of lens.The back side of the side wall of the fixed antenna unit of mounting bracket is set
There is outside antenna holder, entire antenna assembly is mounted on and needs to install on the pole at antenna.The cylinder peripheral hardware of lens
There is a compatible cylindrical shape dielectric outer cover buckled, the distance of edge to the mounting bracket side wall of dielectric outer cover is 780 ±
40mm.It also is provided with the antenna element outer cover buckled outside antenna element, the lateral surface of antenna element outer cover is provided with multiple continuous
The folding face of identical rectangular plane, the medial surface of antenna element outer cover are the semicolumns for 180 ° of covering being adapted to the cylinder of lens
Face is connected by end face respectively between the both ends of medial surface and the both ends of lateral surface.Antenna element shield base is equipped with bottom cover, bottom
It covers and is respectively equipped with corresponding circular hole at the coaxial head feeder line of each antenna element, the maximum distance between bottom cover both ends is 770
±10mm。
Above-mentioned 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, wherein the antenna is formed
20 wave beams;Horizontal plane wave beam is sharp shape wave beam, identical as conditional electronic multi-beam and the primary ball multi-beam of dragon;Vertical plane wave beam is
Figuration sector broad beam, beam angle are three times of conditional electronic multibeam antenna or the primary ball multibeam antenna of dragon.The antenna
Can be arranged to two on a pole to be symmetrically installed back-to-back, artificial dielectric lens be equipped with antenna element side respectively to
Interior, the side for not setting antenna element is outside, forms two-sided antenna, forms 12 wave covers, 360 ° of omnidirectionals altogether.Preferably, two
The antenna holder of the mounting bracket common antenna holder of antenna, i.e., two mounting brackets synthesizes one group.
20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens provided by the utility model has the following advantages:
The utility model can form 20 wave beams.It is horizontal(Orientation)Surface wave beam is sharp shape wave beam, this is more with conditional electronic
Wave beam and the primary ball multi-beam of dragon are identical.And the utility model is vertical(Pitching)Surface wave beam is figuration sector broad beam, wave beam
Width is three times of identical gain conditional electronic multi-beam and the primary ball multi-beam of dragon, and service area is wider.This is the utility model
Core technology index.
A kind of double frequency WiFi outdoor versions artificial dielectric cylinder is made using artificial dielectric cylindrical lens as carrier in the utility model
20 beam antenna of lens covers 180 ° of sectors, gain 20dBi.Suitable for outdoor WiFi antenna for base station.Due to than premise router
High 17dB of antenna gain or so, than existing outdoor version omnidirectional antenna high gain 10dB or so, signal can cover outdoor environment,
Have certain ability through walls, covering indoor again.20 180 ° of wave covers, with two surface antenna of the utility model totally 40 waves
Beam can accomplish 360 ° of omnidirectional's coverings, than existing 3 wave beam of outdoor version omnidirectional(Sector)More 37 wave beams are equivalent to construction 36
The base stations existing outdoor version WiFi, WiFi system capacity improve decades of times.The utility model is transmitted especially suitable for big data quantity
Intensive user area.Not only indoors, the Video Applications that can be also moved in outdoor leg speed.
Description of the drawings
Fig. 1 is the structural representation of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens of the utility model
Figure.
Fig. 2 is the mounting bracket signal of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens of the utility model
Figure.
Fig. 3 is that 1920 MHz of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens of the utility model are real
Survey horizontal radiation pattern.
Fig. 4 is that 1920 MHz of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens of the utility model are real
Survey elevation radiation patytern.
Fig. 5 is that 2575 MHz of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens of the utility model are real
Survey horizontal radiation pattern.
Fig. 6 is that 2575 MHz of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens of the utility model are real
Survey elevation radiation patytern.
Fig. 7 is 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens and identical gain of the utility model
The comparison measured drawing of electrical down-tilting electrical tilt antenna.
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with attached drawing.
As shown in Figure 1,20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens provided by the utility model, packet
Containing the ultra-wideband artificial dielectrics lens 1 that a shape is cylinder, and several antenna elements 2 on lens 1;It
Line unit 2 includes the identical independent first antenna unit for 10 2.4GHz being mounted on lens 1, each first antenna list
Member is dipole or micro-strip oscillator with metal floor;Also it is mounted on the identical independent of 10 5GHz on lens 1
Second antenna element, each second antenna element are vertical polarization oscillator or micro-strip oscillator with metal floor.Microstrip antenna
Usually pasted overleaf with thin metal layer as the antenna formed on the dielectric substrate of earth plate, usually by conductor sheet
It is fed using microstrip transmission line or coaxial probe, makes to encourage electromagnetic field of high frequency between conductor patch and metal ground plate, and lead to
The gap between patch surrounding and metal ground plate is crossed to external radiation, metallic conductor patch can also be that the thin slice of long narrow bar shaped shakes
Son is dipole, referred to as micro-strip oscillator antenna.
A diameter of 600 ± 40mm of 1 cylinder of lens is highly 400 ± 10mm.The artificial dielectric cylinder lens 1 have
Multilayer concentric justifies structure, including the concentric layer that n dielectric constant is different, centered cylinder layer is expressed as the 1st layer, surrounds centered cylinder
Outside nested arrangement the 2nd is to n-th layer successively for layer, and each concentric layer is assembled into a multilayer cylinder, and n concentric layer is by low dielectric
Base material addition high-k, the low-gravity material of constant are made, high-k, low-gravity material contained by n concentric layer
Material is gradually decreased from the 1st layer to n-th layer.N concentric layer dielectric constant is successively reduced by the 1st layer to n-th layer, specifically 2.05-
1.05 gradual change.The base material of low-k is the light-duty foaming media material of 0.02-0.03 g/cm3 of density, preferably poly-
Styrene, polyvinyl chloride or polyethylene etc.;High-k, low-gravity material are preferably ceramic powder, aluminium silver powder, wire
Deng.
The numbers of beams of antenna includes 2.4G band beams number 10 and 5G band beams number 10, totally 20, with antenna
Unit 2 counts equal;Beam gain is 20dBi, and the nominal gain of antenna is beam gain.
2 gain of each antenna element>8dBi, standing-wave ratio<1.4, isolation>28dB;The frequency of first antenna unit is
The frequency of 2412-2483MHz, the second antenna element are 5150-5350 MHz or 5725-5825 MHz.
First antenna unit is arranged on the contour of the above 10mm in cylinder periphery Middle Ring Line of lens 1;Second antenna
Unit is arranged on the contour of the cylinder periphery Middle Ring Line of lens 1 or less 10mm.
The greatest irradiation direction of antenna element 2 passes through the axis of 1 cylinder of lens;Adjust 2 surface of antenna element with thoroughly
Maximum antenna gain can be obtained when distance is 40 ± 20mm between 1 cylindrical surface of mirror.
The intermediate frequency wave beam cross value of the antenna is set as -10dB, determines antenna element 2 along artificial dielectrics lens according to it
The interval of 1 cylinder outer circular arrangement and sequence.
The bottom of the antenna is equipped with mounting seat, and each antenna element 2 is separately connected a coaxial head feeder line, 10 first
10 coaxial heads 6 of antenna element and 10 coaxial heads 6 of 10 the second antenna elements are both connected in mounting seat.
The antenna is additionally provided with mounting bracket 5 and antenna holder 4, is fixed antenna element 2 and lens 1 by mounting bracket 5, then lead to
Antenna holder 4 is crossed to fix antenna and pole 3.
As shown in Fig. 2, the section of mounting bracket 5 is preferably half rectangular box-like, top and bottom are parallel and vertical with side wall,
Top surface is set there are one rectangle frame and a triangle frame, and a long side of rectangle frame and the bottom edge of triangle frame overlap, triangle
The center of circle on vertex and the cylinder upper surface of lens 1 fix.Another long side of 5 top surface rectangle frame of mounting bracket is as side wall
Top margin.The bottom surface of mounting bracket 5 is identical as top surface.The cylinder of lens 1 is fixed on mounting bracket 5 by upper and lower surface
Between top and bottom, antenna element 2 is fixed between the side wall of mounting bracket 5 and the cylinder of lens 1.The fixation of mounting bracket 5
The back side of the side wall of antenna element 2 is equipped with outside antenna holder 4, and entire antenna assembly is mounted on and needs to install at antenna
On pole 3.The cylinder of lens 1 is externally provided with the compatible cylindrical shape dielectric outer cover 7 buckled, the edge of dielectric outer cover 7
Distance to 5 side wall of mounting bracket is 780 ± 40mm.It also is provided with the antenna element outer cover 8 buckled, antenna element outside antenna element 2
The lateral surface of outer cover 8 is provided with the folding face of multiple continuous identical rectangular planes, and the medial surface of antenna element outer cover 8 is and lens
The semi-cylindrical of 180 ° of the covering of 1 cylinder adaptation, passes through end face respectively between the both ends of medial surface and the both ends of lateral surface
Connection.8 bottom of antenna element outer cover is equipped with bottom cover, is respectively equipped at the coaxial head feeder line of each antenna element 2 on bottom cover corresponding
Circular hole, the maximum distance between bottom cover both ends is 770 ± 10mm.
The antenna forms 20 wave beams;Horizontal plane wave beam is sharp shape wave beam, with conditional electronic multi-beam and the more waves of Long Baiqiu
Shu Xiangtong;Vertical plane wave beam is figuration sector broad beam, and beam angle is conditional electronic multibeam antenna or the more waves of Long Baiqiu
Three times of beam antenna.The antenna can be arranged to two on a pole 3 and be symmetrically installed back-to-back, and artificial dielectric lens 1 are equipped with
Respectively inwards, the side for not setting antenna element is outside for the side of antenna element 2, forms two-sided antenna, forms 12 wave beams altogether and covers
360 ° of omnidirectionals of lid.Preferably, the antenna holder 4 of the 5 common antenna holder 4 of mounting bracket of two antennas, i.e., two mounting brackets 5 synthesizes
One group.
With reference to embodiment to 20 wave beam of double frequency WiFi outdoor version artificial dielectrics cylindrical lens provided by the utility model
Antenna is further described.
Embodiment 1
A kind of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens a, including shape is the super of cylinder
Wideband artificial dielectrics lens 1, and 20 antenna elements 2 on lens 1.Antenna element 2 includes 10 first antennas
Unit and 10 the second antenna elements.
The unitary 2.4G frequency range vertical polarizations oscillator unit 10 with reflecting plate is selected according to the frequency range of antenna requirement
As first antenna unit, the unitary 5G frequency range vertical polarization oscillators with reflecting plate are selected further according to the frequency range of antenna requirement
10 the second antenna elements of conduct of unit.
Each unit oscillator is separately connected a coaxial head feeder line.
It is 2412-2483MHz according to antenna requirement 2.4G frequency range oscillator unit frequencies.According to antenna requirement 5G frequency range oscillators
Unit frequency is 5150-5350MHz or 5725-5825MHz.
It is less than 1.4 according to antenna requirement whole oscillator unit standing-wave ratio.According to antenna requirement whole oscillator unit, respectively increase
Benefit is more than 8.0dBi.It is more than 28dB according to isolation between antenna requirement each unit oscillator.
Select artificial dielectrics cylinder as lens 1.A diameter of 600mm of selected artificial dielectrics cylindrical lens 1, height
For 400mm.
One week circular arc line of label is as datum line at 1/2 height of selected artificial dielectrics cylindrical lens 1.
By the contour loop wire of 10 2.4G oscillator units above 10mm of center line outside 1 cylinder of di-lens, it is arranged in order,
Gap between each unit is 70mm ± 5mm;By 10 5G oscillator units below center line outside 1 cylinder of di-lens 10mm
Contour loop wire, be arranged in order, the gap between each unit be 70mm ± mm.2.4G and 10 ± 2mm of 5G two rows element spacings.
Each maximum direction of oscillator unit radiation passes through dielectric circular cylinder central axes.Adjust 1 cylinder of each unit radiator plan range lens
External surface is 5-15mm.
By 10 2.4G oscillator units, amounts to 10 coaxial heads 6 and be connected in mounting seat, by 10 5G oscillator units,
Amount to 10 coaxial heads 6 to be connected in mounting seat.
Antenna element 2 and 1 cylinder mounting bracket 5 of lens and antenna holder 4 are integrally fixed, the rooms double frequency WiFi are constituted
20 beam antenna of external form artificial dielectric cylindrical lens, on the pole 3 needed at installation antenna.
20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens of the present embodiment, measured level plane and vertical
In-plane is as shown in Fig. 3 ~ 6.The comparison of itself and the electrical down-tilting electrical tilt antenna of identical gain is surveyed as shown in fig. 7, A is this implementation
The faces the antenna actual measurement V directional diagram of example, B is 2,7,12 degree of angle of declinations of the normal conventional faces electrical tilt antenna V direction measured drawing.
20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens provided by the utility model covers 180 ° of fans
Area, gain 20dBi are suitable for outdoor WiFi antenna for base station.The antenna can form 20 wave beams.It is horizontal(Orientation)Surface wave beam is
Sharp shape wave beam, this is identical as conditional electronic multi-beam and the primary ball multi-beam of dragon.And the utility model is vertical(Pitching)Surface wave beam
For figuration sector broad beam, beam angle is three times of identical gain conditional electronic multi-beam and the primary ball multi-beam of dragon, service
Area is wider.Due to 17dB higher than premise router antenna gain or so, than existing outdoor version omnidirectional antenna high gain 10dB
Left and right, signal can cover outdoor environment and certain ability through walls, and covering is indoor.20 180 ° of wave covers, with this
Two surface antenna of utility model totally 40 wave beams can accomplish 360 ° of omnidirectionals' coverings, than existing 3 wave beam of outdoor version omnidirectional(Sector)It is more
37 wave beams, are equivalent to and build 36 base stations existing outdoor version WiFi, and WiFi system capacity improves decades of times.The utility model
Intensive user area especially suitable for big data quantity transmission.Not only indoors, the Video Applications that can be also moved in outdoor leg speed.
Although the content of the utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended
Claim limit.
Claims (8)
1. a kind of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens, which is characterized in that the antenna includes
One shape is the artificial dielectrics lens of cylinder, and several antenna elements on lens;
The antenna element includes the identical independent first antenna unit for 10 2.4GHz being mounted on lens, each
The first antenna unit is dipole or micro-strip oscillator with metal floor;10 5GHz being also mounted on lens
Identical independent second antenna element, second antenna element is the vertical polarization oscillator with metal floor
Or micro-strip oscillator;
The antenna bottom is equipped with mounting seat, and each antenna element is separately connected a coaxial head feeder line, 10 first day
10 coaxial heads of line unit and 10 coaxial heads of 10 the second antenna elements are both connected in the mounting seat;It is described
Antenna be additionally provided with mounting bracket and antenna holder, antenna element and lens are fixed by mounting bracket, then pass through antenna holder will
Antenna is fixed with pole;The cylinder of lens is externally provided with the compatible cylindrical shape dielectric outer cover buckled, dielectric outer cover
The distance of edge to mounting bracket side wall is 780 ± 40mm;It also is provided with the antenna element outer cover buckled, antenna element outside antenna element
The lateral surface of outer cover is provided with the folding face of multiple continuous identical rectangular planes, and the medial surface of antenna element outer cover is and lens
The semi-cylindrical of 180 ° of the covering of cylinder adaptation, is connected by end face respectively between the both ends of medial surface and the both ends of lateral surface
It connects;Antenna element shield base is equipped with bottom cover, and corresponding circle is respectively equipped at the coaxial head feeder line of each antenna element on bottom cover
Hole, the maximum distance between bottom cover both ends are 770 ± 10mm.
2. 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens as described in claim 1, which is characterized in that institute
The lens stated, a diameter of 600 ± 40mm of cylinder are highly 400 ± 10mm.
3. 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens as described in claim 1, which is characterized in that institute
The antenna stated, numbers of beams include 2.4G band beams number 10 and 5G band beams number 10, totally 20, with antenna element
Number is equal;Beam gain is 20dBi, and the nominal gain of antenna is beam gain.
4. 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens as claimed in claim 3, which is characterized in that institute
The antenna element stated, the gain of each of which>8dBi, standing-wave ratio<1.4, isolation>28dB;The frequency of first antenna unit is
The frequency of 2412-2483MHz, the second antenna element are 5150-5350MHz or 5725-5825MHz.
5. 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens as claimed in claim 4, which is characterized in that institute
The first antenna unit stated is arranged on the contour of the above 10mm in cylinder periphery Middle Ring Line of lens;Described second
Antenna element is arranged on the contour of the cylinder periphery Middle Ring Line of lens or less 10mm.
6. 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens as claimed in claim 5, which is characterized in that institute
The antenna element stated, greatest irradiation direction pass through the axis of lens cylinder;Antenna element surface and lens cylinder face it
Between distance be 40 ± 20mm when obtain maximum antenna gain.
7. 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens as claimed in claim 6, which is characterized in that institute
The antenna stated, in-between frequency wave beam cross value are -10dB, and cylinder of the antenna element along artificial dielectrics lens is determined according to it
The interval of outer circular arrangement and sequence.
8. 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens as described in any one of claim 1~7,
It is characterized in that, the antenna, forms 20 wave beams;Horizontal plane wave beam is sharp shape wave beam;Vertical plane wave beam is fanned for figuration
Shape broad beam, beam angle are three times of electronics multibeam antenna or the primary ball multibeam antenna of dragon.
Priority Applications (1)
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CN201721192039.3U CN207719406U (en) | 2017-09-18 | 2017-09-18 | A kind of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens |
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CN201721192039.3U CN207719406U (en) | 2017-09-18 | 2017-09-18 | A kind of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens |
Publications (1)
Publication Number | Publication Date |
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CN207719406U true CN207719406U (en) | 2018-08-10 |
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CN201721192039.3U Active CN207719406U (en) | 2017-09-18 | 2017-09-18 | A kind of 20 beam antenna of double frequency WiFi outdoor version artificial dielectrics cylindrical lens |
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2017
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