CN206040944U - Edge covers enhancement mode single polarization ceiling antenna of qxcomm technology - Google Patents
Edge covers enhancement mode single polarization ceiling antenna of qxcomm technology Download PDFInfo
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- CN206040944U CN206040944U CN201620902787.5U CN201620902787U CN206040944U CN 206040944 U CN206040944 U CN 206040944U CN 201620902787 U CN201620902787 U CN 201620902787U CN 206040944 U CN206040944 U CN 206040944U
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Abstract
The utility model provides an edge covers enhancement mode single polarization ceiling antenna of qxcomm technology, this antenna include floor and single cone irradiator, wherein the floor is for using the solid of revolution of its central line as the axis, the single cone irradiator sets up on the floor, the single cone irradiator with the central line coincidence on floor, the single cone irradiator includes the first thin slice and the second thin slice of cross, first thin slice with the center coincidence of second thin slice, the shape of first thin slice is the axial symmetry figure, and its both sides limit is equipped with a plurality of buckling and forms the echelonment, the width of first thin slice reduces towards the floor direction gradually, the shape of the both sides of second thin slice with the shape of the both sides of first thin slice is the same. The utility model discloses an antenna edge covers the effect reinforcing, has more excellent broadband nature, omni -direction and in -band cover uniformity, has still realized high efficiency, miniaturization and the low cost of antenna simultaneously.
Description
Technical field
This utility model is related to field of antenna, more particularly to a kind of edges cover enhancement mono omnidirectional ceiling day
Line.
Background technology
At present, the mankind have entered the information age comprehensively, and obtaining information becomes the indispensable composition of people's daily life
Part.Mobile communication is with its distinctive convenience, it has also become people obtain information and the major way for communicating with one another whenever and wherever possible.
Antenna is then wireless communication system key subassembly, and the good and bad impact to whole system of its performance is conclusive.With shifting
The indoor environments such as the development of dynamic communication technology, family, office, market, terminal, classroom, library have become traffic sum
According to the hot spot region of flow., due to considering the practical factors such as coverage, addressing, cost, antenna size is big, increasing for outdoor macro base station
Beneficial high, transmission power is big, antenna height is high, to realize that wide area signal is continuously covered, be but difficult to carry out interior of building depth,
It is accurate to cover.Naturally, outdoor base station miniaturization rear portion is deployed on building various places inside by people, defines indoor distributed covering
System.Consider the aspect factor such as capacity, addressing, cost, multi-standard (GSM 2G/CDMA- must be supported in room Fen little base stations
3G/LTE-4G), full frequency band (800-960MHz/1710-2700MHz), and horizontal plane need to cover large area.It is limited by peace
Holding position, room divided antenna generally have orientation two big class of wall hanging and omnidirectional ceiling.It is very big due to realizing the technical difficulty of multiband, two
Class antenna is usually designed to broadband.Ceiling mount antenna is installed on ceiling, it is desirable to which directional diagram must in the azimuth plane at the different elevations angle
Must be uniform omnidirectional, and low angle of depression direction still needs to keep higher gain, so just can guarantee that larger coverage.In addition,
Consider user's vision and impression, the suitable small size of ceiling mount antenna and low section.
Summary requires that single cone is the geometry for being adapted to design all-around top absorbing antenna, and it has broadband, omni-directional
The characteristics of, and height is relatively only the half of biconical antenna.However, as the inclination underarm of bipyramid is become straight by monocone antenna
The reason on floor, its high frequency greatest irradiation direction can upwarp larger angle, cause low elevation gain relatively low, and low frequency maximum spoke
Penetrate direction then just in the horizontal direction.This can cause the little phenomenon of low frequency coverage width, high frequency coverage.Although passing through
Increasing network design density can make low-and high-frequency coverage more consistent, but construction cost can be multiplied.Therefore, strengthen
The edges cover effect of all-around top absorbing antenna becomes the key of solve problem.As shown in Figures 2 and 3, conventional all-around top absorbing antenna
Using flat disks floor 2, cup-shaped cone 1 and short-circuit branch 3, its low elevation gain is low, out-of-roundness is poor.
Utility model content
This utility model provides a kind of edges cover enhancement mono all-around top absorbing antenna, can solve the problem that prior art is deposited
Edges cover effect difference problem.
For solving above-mentioned technical problem, the technical scheme that this utility model is adopted is：There is provided a kind of edges cover to increase
Strong type single polarization all-around top absorbing antenna, the antenna include floor and single cone radiant body, and wherein described floor is to be with its centrage
The revolving body of axis；Single cone radiant body is arranged on the floor, the centrage on single cone radiant body and the floor
Overlap, single cone radiant body includes first thin slice and the second thin slice of decussation, first thin slice and described second thin
The center superposition of piece, the shape of first thin slice axisymmetricly figure, its two side are provided with multiple bendings and form stepped,
The width of first thin slice is gradually reduced towards floor direction, the shape of the both sides of second thin slice and first thin slice
The shape of both sides is identical.
Wherein, the one end on the close described floor of first thin slice/second thin slice is first end, away from described
One end of plate is the second end, and the second end of first thin slice caves inward to form two the first symmetrical grooves, described second
Second end of thin slice caves inward to form two the second symmetrical grooves, and first groove is identical with second groove.
Wherein, the midpoint at the second end of first thin slice offers the first gap, and first gap is perpendicular to institute
Floor is stated, the width in first gap is not less than the thickness of second thin slice；The midpoint of the first end of first thin slice
Place offers the second gap, and second gap is perpendicular to the floor；The midpoint of the first end of second thin slice is opened up
There is the 3rd gap, perpendicular to the floor, the width in the 3rd gap is not less than first thin slice in the 3rd gap
Thickness；Second thin slice is inserted in first gap, first gap and second gap of first thin slice
Between position then be located at the 3rd gap in.
Wherein, from the first end of first thin slice to the second end, the bending of side includes successively：The bending of two right angles,
Six obtuse angle bendings, two right angle bendings and two obtuse angle bendings.
Wherein, the floor includes the multiple round platforms being sequentially connected, and the center of the round platform is provided with power feed hole, for coaxial
Cable is passed through.
Wherein, the floor includes the first round platform, the second round platform, the 3rd round platform and the 4th round platform for stacking gradually, described
The diameter of the bottom surface with diameter greater than second round platform of the top surface of the first round platform, the top surface of second round platform with diameter greater than
The diameter of the bottom surface of the 3rd round platform, the diameter of the top surface of the 3rd round platform are equal to the straight of the bottom surface of the 4th round platform
Footpath, the angle between the side and bottom surface of the 3rd round platform is more than the angle between the side and bottom surface of the 4th round platform.
Wherein, the bottom of first round platform is additionally provided with disk media plate, and the disk media plate is concentric with the floor,
The bottom of the disk media plate is smooth.
Wherein, at least one of the making material of the disk media plate in PVC, PC, ABS and PTFE.
Wherein, metal ring and medium annulus, the metal ring and the medium has been stacked gradually above the floor
Annulus is concentric with the power feed hole, and the top surface of the metal ring is connected with the outer conductor of the coaxial cable, the coaxial electrical
The inner wire of cable is then connected through the medium annulus with single cone radiant body.
Wherein, the making material of the floor and single cone radiant body in red copper, alloyed copper and fine aluminium at least
It is a kind of.
The beneficial effects of the utility model are：The situation of prior art is different from, this utility model is by single cone is radiated
The both sides of first thin slice and the second thin slice of the decussation of body be provided be bent to form it is stepped, so as to obtain edges cover
The enhanced antenna of effect, obtains broadband property better than conventional unipolar all-around top absorbing antenna, omni-directional consistent with interior covering
Property.High efficiency, miniaturization and the low cost of antenna is also achieved simultaneously.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to institute in embodiment description
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only more of the present utility model
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with attached according to these
Figure obtains other accompanying drawings.
The schematic diagram of the rectangular coordinate system definition that Fig. 1 is adopted by antenna model.
Fig. 2 is the front view of the rule all-around top absorbing antenna of prior art；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is the front view of the first thin slice of this utility model edges cover enhancement mono all-around top absorbing antenna；
Fig. 5 is the side view of Fig. 4；
Fig. 6 is the front view of the second thin slice of this utility model edges cover enhancement mono all-around top absorbing antenna；
Fig. 7 is the side view of Fig. 6；
Fig. 8 is the front view of single cone radiant body of this utility model edges cover enhancement mono all-around top absorbing antenna；
Fig. 9 is the side view of Fig. 8；
Figure 10 is the top view of Fig. 8；
Figure 11 is the surface profile map on the floor of this utility model edges cover enhancement mono all-around top absorbing antenna；
Figure 12 is the profile on the floor of this utility model edges cover enhancement mono all-around top absorbing antenna；
Figure 13 is the floor of this utility model edges cover enhancement mono all-around top absorbing antenna, metal ring, medium
Profile after annulus and coaxial cable assembling；
Figure 14 is the enlarged drawing of the a-quadrant of Figure 13；
Figure 15 is the front view of this utility model edges cover enhancement mono all-around top absorbing antenna；
Figure 16 is the side view of Figure 15；
Input impedance Zs of the Figure 17 for enhancement mono all-around top absorbing antennainFrequency characteristic.Wherein, transverse axis (X-axis)
It is frequency f, unit is GHz；The longitudinal axis (Y-axis) is input impedance Zin, unit is Ω；Solid line represents real part Rin, dotted line represents empty
Portion Xin.Known by figure, antenna has obvious broadband impedance characteristic；
Reflection coefficient | S11 | curves of the Figure 18 for enhancement mono all-around top absorbing antenna.Wherein, transverse axis (X-axis) is frequency
Rate f, unit are GHz；The longitudinal axis (Y-axis) is S11Amplitude | S11|, unit is dB.Known by figure, antenna is in 0.80-2.70GHz frequency ranges
Inside realize good impedance matching (in 0.80-0.96GHz frequency ranges, | S11 |≤- 13.19dB；In 171-2.70GHz frequency ranges, |
S11|≤-16.13dB)；
Standing-wave ratio VSWR curves of the Figure 19 for enhancement mono all-around top absorbing antenna.Wherein, transverse axis (X-axis) is frequency f,
Unit is GHz；The longitudinal axis (Y-axis) is VSWR.Known by figure, antenna realizes good impedance matching in 0.80-2.70GHz frequency ranges
(in 0.80-0.96GHz frequency ranges, VSWR≤1.56；1.71-2.70GHz in frequency range, VSWR≤1.37)；
Figure 20 is enhancement mono all-around top absorbing antenna each frequency normalization E- faces (vertical plane) gain pattern.Its
In, wherein, solid line represents f1=0.8GHz, dotted line represent f2=1.71GHz, dotted line represent f3=2.30GHz, chain-dotted line are represented
f4=2.70GHz.Known by figure, low frequency maximum direction occur in Theta=79 ° -87 °, high frequency then occur in Theta=65 ° -
79°；There is in full frequency band preferably vertical half-wave dipole directional diagram；
Figure 21, Figure 22 and Figure 23 are that each frequency of enhancement mode list cone all-around top absorbing antenna is returned at Theta=30 °, 60 ° and 85 °
One changes H- face (azimuth plane) gain patterns.Wherein, Figure 21, Figure 22 and Figure 23 represent respectively Theta=30 °, Theta=60 °,
Theta=85 °；Solid line represents f1=0.8GHz, dotted line represent f2=1.71GHz, dotted line represent f3=2.30GHz, chain-dotted line table
Show f4=2.70GHz.Known by figure, each elevation angle face out-of-roundness is respectively less than 0.14dB, illustrate azimuth plane have good omni-directional and
Uniformity；
Figure 24 is enhancement mono all-around top absorbing antenna E- face half-power beam width HBPW with frequency f change curve.
Wherein, transverse axis (X-axis) is frequency f, and unit is GHz；The longitudinal axis (Y-axis) is beam angle, unit degree of being (deg).Known by figure, low frequency
Beam angle is 102.1 ° -108.6 °, and high frequency is 43.6 ° -64.6 °；
Figure 25 is the elevation angle Theta (θ) of enhancement mono all-around top absorbing antenna maximum gain with frequency f change curve.
Wherein, transverse axis (X-axis) is frequency f, and unit is GHz；The longitudinal axis (Y-axis) is angle, unit degree of being (deg).Known by figure, low frequency is maximum
Theta=79 ° -87 ° of the gain elevation angle, Theta=65 ° -79 ° of the high frequency maximum gain elevation angle；
Figure 26 is the maximum gain of enhancement mono all-around top absorbing antenna with frequency f change curve.Known by figure, low frequency increases
Beneficial G=1.26-1.42dBi, high-frequency gain G=2.08-4.34dBi；
Efficiency etas of the Figure 27 for enhancement mono all-around top absorbing antennaAWith frequency f change curve, band internal antenna efficiency connects
It is bordering on preferable 100% (>=95%).
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment for being obtained, belongs to the scope of this utility model protection.
Figure Figure 15 and Figure 16 is referred to, this utility model provides a kind of edges cover enhancement mono omnidirectional ceiling day
Line, the antenna include floor and single cone radiant body.
Wherein, floor 3 is the revolving body with its centrage as axis.
Single cone radiant body is arranged on the floor 3, and the centrage on single cone radiant body and the floor 3 overlaps, institute
Stating single cone radiant body includes first thin slice 1 and the second thin slice 2 of decussation, first thin slice 1 and second thin slice 2
Center superposition, the axisymmetricly figure of first thin slice 1, its two side are provided with multiple bendings and form stepped, and described first
The width of thin slice 1 is gradually reduced towards floor direction, the both sides of the shape of the both sides of second thin slice 2 and first thin slice 1
Shape it is identical.
Specifically, the first thin slice 1 is identical with the circumferential profile shape of the second thin slice 2, on the whole in inverted isosceles ladder
The shape of shape, two waist Jing of isosceles trapezoid are bent to form ladder many times, for example, in the present embodiment, two waists of isosceles trapezoid
Have passed through 12 times and be bent to form ladder.
Prior art is different from, the situation of prior art is different from, this utility model is by by the cross of single cone radiant body
Intersect the first thin slice 1 and the second thin slice 2 both sides be provided be bent to form it is stepped, so as to obtain edges cover effect increasing
Strong antenna, obtains broadband property better than conventional unipolar all-around top absorbing antenna, omni-directional and with interior covering-ties uniformity.Simultaneously
Also achieve high efficiency, miniaturization and the low cost of antenna.
Specifically, such as Fig. 4 to Fig. 7, the close described floor 3 of the first thin slice 1 and the second thin slice 2 in the present embodiment
One end is first end, is the second end away from the one end on the floor.Second end of first thin slice 1 caves inward to form two
The first symmetrical groove 11, the second end of second thin slice 2 cave inward to form two the second symmetrical grooves 21, and described the
One groove 11 is identical with second groove 21.In the present embodiment, the depth of the first groove 11 and the second groove 21 is deeper, example
Such as, the depth of the first groove 11 is the 1/2 of the height of the first thin slice 1.Certainly, in other embodiments, the first groove 11 also may be used
Being other depth.
The midpoint at the second end of the first thin slice 1 offers the first gap 12, and first gap 12 is perpendicular to described
Plate 3, i.e. gap of the first gap 12 for longitudinal direction, its symmetrical overlapping of axles with the first thin slice 1, the width in first gap 12 is not
Less than the thickness of second thin slice 2.Specifically, in the present embodiment, the width in the first gap 12 is equal to the thickness of the second thin slice 2
Degree.
The midpoint of the first end of first thin slice 1 offers the second gap 13, and second gap 13 is perpendicular to institute
Floor 3 is stated, the second gap 13 is also the gap of longitudinal direction, also the symmetrical overlapping of axles with the first thin slice 1.
In the present embodiment, the first gap 12 and the second gap 13 are opened up equivalent to the top margin in an isosceles trapezoid and bottom
The centre on side offers gap, and the first gap 12 and the second gap 13 are located on the same line, and the first gap 12 and
Two gaps 13 do not connect.
The midpoint of the first end of second thin slice 2 offers the 3rd gap 22, and the 3rd gap 22 is perpendicular to institute
State floor 3, the 3rd gap 22 is also the gap of longitudinal direction, its symmetrical overlapping of axles with the second thin slice 2, the 3rd gap 22
Thickness of the width not less than first thin slice 1, specifically, the width in the 3rd gap 22 in the present embodiment is equal to the first thin slice
1 thickness.
When installation, second thin slice 2 is inserted in first gap 12, and described the first of first thin slice 1
Between gap 12 and second gap 13, position is then located in the 3rd gap 22.Specifically, the first seam of the first thin slice 1
The top contact in the 3rd gap 22 of the bottom of gap 12 and the second thin slice 2.The of the first end of the first thin slice 1 and the second thin slice 2
One end is concordant, the second of the second end of the first thin slice 1 and the second thin slice 2 hold level with both hands it is neat.Under second gap 13 and the 3rd gap 22
Portion surrounds the space of a column, and the inner wire of coaxial cable 7 extend into the top in the space, and the side of the inner wire
It is integrated with the sidewall weld in the second gap 13 and the 3rd gap 22, as shown in Fig. 8 to Figure 10.
Please continue to refer to Fig. 4 and Fig. 6, in single cone radiant body of the present embodiment, from the first end of first thin slice 1 to the
Two ends, the bending of side include successively：Two right angle bendings, six obtuse angle bendings, two right angle bendings and two obtuse angle bendings.
The bending situation of second two sides of thin slice is identical with the bending situation of the first thin slice, and angle is also identical.In fact, the first thin slice
1 is different with the gap only opened up on axis of symmetry by the second thin slice 2, and remaining is such as shapes and sizes all same.
The floor 3 includes the multiple round platforms being sequentially connected, and as shown in Figure 13 to Figure 16, the center of the round platform is provided with feedback
Electric hole 31, so that coaxial cable 7 is passed through.
As the axis of symmetry of the first thin slice 1 and the second thin slice 2 is the centrage of single cone radiant body, thus, positioned at axis of symmetry
On the second gap 13 and the 3rd gap 22 be located on the centrage of single cone radiant body, i.e. the second gap 13 and the 3rd
Gap 22 is corresponding with power feed hole 31.
For example, the floor 3 of the present embodiment includes stacking gradually the first round platform, the second round platform, the 3rd round platform and
Four round platforms, first round platform be located at bottom, the diameter of the bottom surface with diameter greater than second round platform of the top surface of the first round platform,
Thus step is defined between the first round platform and the second round platform.Second round platform is located on the first round platform, the second round platform
Top surface the bottom surface with diameter greater than the 3rd round platform diameter, thus define platform between the second round platform and the 3rd round platform
Rank.The diameter of the top surface of the 3rd round platform is equal to the diameter of the bottom surface of the 4th round platform, the side and bottom surface of the 3rd round platform
Between angle more than the 4th round platform side and bottom surface between angle.
Specifically, floor 3 is overall in the shape similar to round platform, and the side of round platform is formed through next bending figuration
It is stepped, thus the shape of multiple round platforms stackings is shown as, and repeatedly bending is obtuse angle bending.
The making material of the floor 3 of the present embodiment and single cone radiant body is in red copper, alloyed copper and fine aluminium
At least one, and be integrally formed using CNC or extrusion process.
In the bottom on floor 3, i.e. the bottom of the first round platform is additionally provided with disk media plate 4, the disk media plate 4 with it is described
With one heart, the bottom of the disk media plate 4 is smooth, to facilitate installation on floor.The making material of the disk media plate 4 selected from PVC,
At least one in PC, ABS and PTFE.
Metal ring 5 and medium annulus 6, the metal ring 5 and the medium annulus 6 has been stacked gradually above floor 3
Concentric with the power feed hole 31, the top surface of the metal ring 5 is connected with the outer conductor of the coaxial cable 7, the coaxial electrical
The inner wire of cable 7 is then connected through the medium annulus 6 with single vertebral body.Specifically, coaxial cable 7 is passed through from power feed hole 31
Afterwards, its outer conductor extends to the top surface of metal ring 5 and is connected on 5 top surface of metal ring, and its inner wire then passes through metal
Annulus 5, is then passed through medium annulus 6, extends upwardly to the second gap 13 of the first thin slice 1 and the 3rd gap 22 of the second thin slice 2
Top, and be welded as a whole with the side of the side and the 3rd gap 22 in the second gap 13.
The antenna of the present embodiment adopts the 50 Ω standard coaxial cables 7 with the common union joint such as SMA, BNC, TNC, N-type.
Specifically, in this utility model single cone radiant body, floor 3, metal ring 5, medium annulus 6, disk media
The centrage of plate 4 and coaxial cable 7 overlaps, consistent with interior directional diagram so as to ensure.
It is below the method for designing of low section in-door covering enhancement mono all-around top absorbing antenna of the present utility model, leads to
Cross the method for designing and structure of the present utility model can be more easily understood.
The method for designing is comprised the following steps：
Step one, sets up rectangular coordinate system in horizontal plane XOY, sees Fig. 1.
Isosceles trapezoid edge one top margin directed downwardly in XOZ planes, is carried out broken line figuration by step 2, formed one it is left
Right symmetrical, continuous ten twice bended of two waists, base both sides open the figuration isosceles that long longitudinal joint is opened at deep groove, top base center inwardly
It is trapezoidal.Then, become have certain thickness first thin slice 1, seen Fig. 4 and Fig. 5.
Step 3, according to step 2 methods described, constructs the figuration isosceles trapezoid that a top margin opens long longitudinal joint, and becomes same
Second thin slice 2 of sample thickness, is shown in Fig. 6 and Fig. 7.
Step 4, the figuration of step 2, three trapezoidal cross orthogonal, center superposition is placed, and two longitudinal joints just coincide, group
Into decussation list cone, Fig. 8, Fig. 9 and Figure 10 is seen.
Step 5, by a vertex of a cone upward, round-meshed round table surface bus is opened at center carries out broken line figuration, forms one or so
Symmetrically, the continuous seven bendings figuration taper seat of bus.Then, become have certain thickness foil, so as to form ground
Plate 3, is shown in Figure 11 and Figure 12.
Step 6, on the center hole on the floor 3 of step 5, stacks a metal ring 5, medium annulus successively with one heart
6.Then, 50 Ω coaxial cables 7 are passed through from bottom to top circular hole, outer conductor extend to 5 top surface of metal ring, inner wire is then
Through medium annulus 6, as shown in Figure 13 and Figure 14.
Step 7, the center hole on the floor 3 that the decussation list cone radiant body of step 4 is stood on step 6 just go up
Side, then slowly putting down makes the inner wire of coaxial cable 7 deeply to the top of base slit, finally slit side by its with
Coaxial cable 7 is welded as a whole, and sees Figure 15 and Figure 16.
Step 8, places one block of isodiametric disk media plate 4 with one heart in 3 bottom of floor so as to which bottom flat is with convenient
Install, as shown in figure 16.
Figure 17 to Figure 27 and table 1 is referred to, wherein：
Input impedance Zs of the Figure 17 for enhancement mono all-around top absorbing antennainFrequency characteristic.Wherein, transverse axis (X-axis)
It is frequency f, unit is GHz；The longitudinal axis (Y-axis) is input impedance Zin, unit is Ω；Solid line represents real part Rin, dotted line represents imaginary part
Xin.Known by figure, antenna has obvious broadband impedance characteristic；
Reflection coefficient | S11 | curves of the Figure 18 for enhancement mono all-around top absorbing antenna.Wherein, transverse axis (X-axis) is frequency
Rate f, unit are GHz；The longitudinal axis (Y-axis) is S11Amplitude | S11|, unit is dB.Known by figure, antenna is in 0.80-2.70GHz frequency ranges
Inside realize good impedance matching (in 0.80-0.96GHz frequency ranges, | S11 |≤- 13.19dB；In 171-2.70GHz frequency ranges, |
S11|≤-16.13dB)；
Standing-wave ratio VSWR curves of the Figure 19 for enhancement mono all-around top absorbing antenna.Wherein, transverse axis (X-axis) is frequency f,
Unit is GHz；The longitudinal axis (Y-axis) is VSWR.Known by figure, antenna realizes good impedance matching in 0.80-2.70GHz frequency ranges
(in 0.80-0.96GHz frequency ranges, VSWR≤1.56；1.71-2.70GHz in frequency range, VSWR≤1.37)；
Figure 20 is enhancement mono all-around top absorbing antenna each frequency normalization E- faces (vertical plane) gain pattern.Its
In, wherein, solid line represents f1=0.8GHz, dotted line represent f2=1.71GHz, dotted line represent f3=2.30GHz, chain-dotted line are represented
f4=2.70GHz.Known by figure, low frequency maximum direction occur in Theta=79 ° -87 °, high frequency then occur in Theta=65 ° -
79°；There is in full frequency band preferably vertical half-wave dipole directional diagram；
Figure 21, Figure 22 and Figure 23 are that each frequency of enhancement mode list cone all-around top absorbing antenna is returned at Theta=30 °, 60 ° and 85 °
One changes H- face (azimuth plane) gain patterns.Wherein, Figure 21, Figure 22 and Figure 23 represent respectively Theta=30 °, Theta=60 °,
Theta=85 °；Solid line represents f1=0.8GHz, dotted line represent f2=1.71GHz, dotted line represent f3=2.30GHz, chain-dotted line table
Show f4=2.70GHz.Known by figure, each elevation angle face out-of-roundness is respectively less than 0.14dB, illustrate azimuth plane have good omni-directional and
Uniformity；
Figure 24 is enhancement mono all-around top absorbing antenna E- face half-power beam width HBPW with frequency f change curve.
Wherein, transverse axis (X-axis) is frequency f, and unit is GHz；The longitudinal axis (Y-axis) is beam angle, unit degree of being (deg).Known by figure, low frequency
Beam angle is 102.1 ° -108.6 °, and high frequency is 43.6 ° -64.6 °；
Figure 25 is the elevation angle Theta (θ) of enhancement mono all-around top absorbing antenna maximum gain with frequency f change curve.
Wherein, transverse axis (X-axis) is frequency f, and unit is GHz；The longitudinal axis (Y-axis) is angle, unit degree of being (deg).Known by figure, low frequency is maximum
Theta=79 ° -87 ° of the gain elevation angle, Theta=65 ° -79 ° of the high frequency maximum gain elevation angle；
Figure 26 is the maximum gain of enhancement mono all-around top absorbing antenna with frequency f change curve.Known by figure, low frequency increases
Beneficial G=1.26-1.42dBi, high-frequency gain G=2.08-4.34dBi；
Efficiency etas of the Figure 27 for enhancement mono all-around top absorbing antennaAWith frequency f change curve, band internal antenna efficiency connects
It is bordering on preferable 100% (>=95%).
Table 1 is gain (f-GHz, G-dBi) of each frequency in different value θ.
Gain (f-GHz, G-dBi) of the 1. each frequency of table in different value θ
As shown in Table 1, high frequency greatest irradiation points to low elevation direction (θ=90 °)；Gain G=1.17- at θ=85 °
3.24dBi, edge reinforced effects are very notable.
Understand with reference to Figure 17 to Figure 27 and table 1, carry out special company by radiant body and floor 3 being bored to decussation list
Continuous geometry bends figuration, so as to obtain：First, better than the broadband property of conventional single cone all-around top absorbing antenna；2nd, better than conventional single cone
The omni-directional of all-around top absorbing antenna；3rd, strengthen better than conventional single cone all-around top absorbing antenna edges cover effect and one is covered with interior
Cause property.The edges cover enhancement mono all-around top absorbing antenna obtains good impedance in 0.80-2.70GHz frequency bands
With (low frequency VSWR≤1.56, high frequency VSWR≤1.37), preferable omni-directional (out-of-roundness is less than 0.15dB), higher gain
(low frequency 1.26-1.42dBi, high frequency 2.08-4.34dBi), edges cover enhancing (θ=85 ° gain G=1.17-3.24dBi),
Very high efficiency (η A >=95%) and less size (- 0.507 λ L of diameter × -0.280 λ L of height).
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is all
It is the equivalent structure or equivalent flow conversion made using this utility model description and accompanying drawing content, or directly or indirectly uses
In other related technical fields, it is included in the same manner in scope of patent protection of the present utility model.
Claims (10)
1. a kind of edges cover enhancement mono all-around top absorbing antenna, it is characterised in that include：
Floor, is the revolving body with its centrage as axis；
It is single to bore radiant body, it is arranged on the floor, the centrage on single cone radiant body and the floor overlaps, single cone
Radiant body includes the center superposition of first thin slice and the second thin slice of decussation, first thin slice and second thin slice,
The shape of first thin slice axisymmetricly figure, its two side are provided with multiple bendings and form stepped, first thin slice
Width be gradually reduced towards floor direction, the shape phase of the shape of the both sides of second thin slice and the both sides of first thin slice
Together.
2. antenna according to claim 1, it is characterised in that first thin slice/second thin slice it is close described
The one end on floor is first end, is the second end away from the one end on the floor, and the second end of first thin slice caves inward shape
Into two the first symmetrical grooves, the second end of second thin slice caves inward to form two the second symmetrical grooves, described
First groove is identical with second groove.
3. antenna according to claim 2, it is characterised in that the midpoint at the second end of first thin slice offers
One gap, perpendicular to the floor, the width in first gap is not less than the thickness of second thin slice in first gap；
The midpoint of the first end of first thin slice offers the second gap, and second gap is perpendicular to the floor；
The midpoint of the first end of second thin slice offers the 3rd gap, and the 3rd gap is perpendicular to the floor, institute
State the thickness of the width not less than first thin slice in the 3rd gap；
Second thin slice is inserted in first gap, first gap and second gap of first thin slice it
Between position then be located at the 3rd gap in.
4. antenna according to claim 3, it is characterised in that the first end from first thin slice is to the second end, side
Bending include successively：Two right angle bendings, six obtuse angle bendings, two right angle bendings and two obtuse angle bendings.
5. antenna according to claim 1, it is characterised in that the floor includes the multiple round platforms being sequentially connected, described
The center of round platform is provided with power feed hole, so that coaxial cable is passed through.
6. antenna according to claim 5, it is characterised in that the first round platform that the floor includes stacking gradually, second
Round platform, the 3rd round platform and the 4th round platform, the diameter of the bottom surface with diameter greater than second round platform of the top surface of first round platform,
The diameter of the bottom surface with diameter greater than the 3rd round platform of the top surface of second round platform, the diameter of the top surface of the 3rd round platform
Equal to the diameter of the bottom surface of the 4th round platform, the angle between the side and bottom surface of the 3rd round platform is more than the described 4th circle
Angle between the side and bottom surface of platform.
7. antenna according to claim 6, it is characterised in that the bottom of first round platform is additionally provided with disk media plate,
The disk media plate is concentric with the floor, and the bottom of the disk media plate is smooth.
8. antenna according to claim 7, it is characterised in that the making material of the disk media plate selected from PVC, PC,
At least one in ABS and PTFE.
9. antenna according to claim 5, it is characterised in that stacked gradually metal ring and medium above the floor
Annulus, the metal ring and the medium annulus it is concentric with the power feed hole, the top surface of the metal ring is coaxial with described
The outer conductor connection of cable, the inner wire of the coaxial cable are then connected through the medium annulus with single cone radiant body.
10. antenna according to claim 9, it is characterised in that the making material of the floor and single cone radiant body
At least one in red copper, alloyed copper and fine aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620902787.5U CN206040944U (en) | 2016-08-18 | 2016-08-18 | Edge covers enhancement mode single polarization ceiling antenna of qxcomm technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620902787.5U CN206040944U (en) | 2016-08-18 | 2016-08-18 | Edge covers enhancement mode single polarization ceiling antenna of qxcomm technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206040944U true CN206040944U (en) | 2017-03-22 |
Family
ID=58306967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620902787.5U Withdrawn - After Issue CN206040944U (en) | 2016-08-18 | 2016-08-18 | Edge covers enhancement mode single polarization ceiling antenna of qxcomm technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206040944U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207416A (en) * | 2016-08-18 | 2016-12-07 | 广东通宇通讯股份有限公司 | Edges cover enhancement mono all-around top absorbing antenna |
| CN108666755A (en) * | 2018-06-14 | 2018-10-16 | 南京濠暻通讯科技有限公司 | A kind of novel miniaturization multiband omnidirectional terminal antenna |
| CN117543185A (en) * | 2023-11-14 | 2024-02-09 | 荣耀终端有限公司 | Antenna enhancer |
-
2016
- 2016-08-18 CN CN201620902787.5U patent/CN206040944U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207416A (en) * | 2016-08-18 | 2016-12-07 | 广东通宇通讯股份有限公司 | Edges cover enhancement mono all-around top absorbing antenna |
| CN106207416B (en) * | 2016-08-18 | 2023-08-08 | 广东通宇通讯股份有限公司 | Edge coverage enhanced monopole omnidirectional ceiling antenna |
| CN108666755A (en) * | 2018-06-14 | 2018-10-16 | 南京濠暻通讯科技有限公司 | A kind of novel miniaturization multiband omnidirectional terminal antenna |
| CN108666755B (en) * | 2018-06-14 | 2023-06-30 | 南京濠暻通讯科技有限公司 | Novel miniaturized multifrequency section qxcomm technology terminal antenna |
| CN117543185A (en) * | 2023-11-14 | 2024-02-09 | 荣耀终端有限公司 | Antenna enhancer |
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