CN207052749U - A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials - Google Patents
A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials Download PDFInfo
- Publication number
- CN207052749U CN207052749U CN201720819608.6U CN201720819608U CN207052749U CN 207052749 U CN207052749 U CN 207052749U CN 201720819608 U CN201720819608 U CN 201720819608U CN 207052749 U CN207052749 U CN 207052749U
- Authority
- CN
- China
- Prior art keywords
- metal
- meta materials
- electromagnetism
- metal patch
- layer
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials, and the radiant panel of antenna is collectively formed by first layer radiating layer, second layer electromagnetism metamaterial layer, third layer floor layer；The electromagnetism metamaterial layer of the wherein second layer changes the relative dielectric constant and relative permeability of this layer so that wavelength of the radiated electromagnetic wave in the Meta Materials medium reduces, and is advantageous to reduce antenna size, changes impedance operator, is advantageous to expand bandwidth；In addition, the addition of five face metal back of the body chambers can effectively shield backward radiation and external interference, strengthen the requirement of antenna direction radiation directivity；Antenna is integrally without additional matching network, and the size of antenna is only 60mm, relative bandwidth 11.7%；The utility model has the characteristics that double frequency-band, high-gain, miniaturization, good directed radiation, feeding classification are simple, the detection requirement of Missile-borne Antenna can be met, also meet portable design requirement simultaneously, be also applied to other fields, be not limited on missile flight device.
Description
Technical field
It the utility model is related to antenna technical field, and in particular to a kind of miniaturized dual-band circle for loading electromagnetism Meta Materials
Poliarizing antenna.
Background technology
With the progress of electronics technology and the high speed development of telecommunications, communication electronic equipment also towards wide variety,
The direction of full-featuredization is developed.Antenna is as one of part most basic in communication electronic equipment, it is necessary to meet a variety of simultaneously
Strict index request, such as multiband, miniaturization, high-gain.But traditional antenna design method can not meet now
For the demand of Development of Communication.
With the maturation of electromagnetism Meta Materials technology in recent years, the combination of Meta Materials and antenna is also by more and more extensive pass
Note.It is rational to design electromagnetism metamaterial modular construction in practical engineering application, make it that there is special electricity in working band
Magnetic characteristic, then it is carried on antenna, realizes the improvement of antenna radiation performance (multifrequency, miniaturization, high-gain).The super material of electromagnetism
The combination of material and antenna, breaches cognition of the people to traditional antenna design method, and one has been started for the research and design of antenna
The brand-new road of bar.
Utility model content
Technical problem to be solved in the utility model is that existing antenna can not take into account miniaturization, multifrequency and high increasing simultaneously
The problem of beneficial, there is provided a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials, to reduce the size of antenna, meet
Detection requirement of the system to target.
To solve the above problems, the utility model is achieved through the following technical solutions：
A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials, mainly carries on the back chamber and aerial radiation plate by metal
Composition；Metal back of the body chamber is the hollow square body of upper top surface opening, and aerial radiation plate is covered in the upper top surface of metal back of the body chamber；
Aerial radiation plate is made up of radiating layer, electromagnetism metamaterial layer, floor layer and distributing point；Wherein it is located at the radiation on upper strata
Layer, the electromagnetism metamaterial layer positioned at middle level and the floor layer positioned at lower floor are affixed from top to bottom, and radiating layer, electromagnetism metamaterial layer
It is of the same size square with floor layer；Distributing point is located at the middle front part of aerial radiation plate, i.e. radiating layer, electromagnetism metamaterial layer
Distributing point is equipped with floor layer corresponding position；
Above-mentioned radiating layer includes plane non-radiative dielectric medium substrate and is printed on non-radiative dielectric medium substrate upper surface
Radiation metal patch；Radiation metal patch is square notching construction；I.e. radiate metal patch by square metal radiation piece, with
And it is opened in 2 convex shape grooves, 2 U-lags and 2 square groove compositions on the square metal radiation piece；2 convex shape grooves
The edge of front and rear 2 opposite side of square metal radiation piece is symmetrically opened in, and this 2 convex shape grooves are positioned at radiation metal
On the longitudinal midline of paster；2 U-lags are relatively opened in the edge of 2 opposite side in left and right of square metal radiation piece, and
This 2 U-lags are respectively positioned at the both sides for the transversal centerline for radiating metal patch；2 square grooves are symmetrically opened in square gold
Belong to the left and right sides of radiation fin, and this 2 square grooves are in the transversal centerline of radiation metal patch；
Above-mentioned electromagnetism metamaterial layer includes plane electromagnetism Meta Materials dielectric substrate, to be printed on electromagnetism Meta Materials exhausted
The upper electromagnetism Meta Materials metal patch of edge medium substrate upper surface and it is printed on electromagnetism Meta Materials dielectric base lower surface
Lower electromagnetism Meta Materials metal patch；Upper electromagnetism Meta Materials metal patch and lower electromagnetism Meta Materials metal patch are on electromagnetism Meta Materials
Dielectric substrate specular is set, and both are star radial configuration；I.e. upper electromagnetism Meta Materials metal patch and lower electromagnetism
Meta Materials metal patch forms by the metal arm of the strip of more than 4, and the metal arm of upper electromagnetism Meta Materials metal patch
It is identical with the quantity of the metal arm of lower electromagnetism Meta Materials metal patch；These metal arms on upper electromagnetism Meta Materials metal patch and
The center of lower electromagnetism Meta Materials metal patch is arranged radially；Metallic vias, the upper super material of electromagnetism are equipped with every metal arm
Expect the upper and lower electromagnetism Meta Materials metal patch of metal patch on 2 mirror images it is relative metal arm it is mutual by this metallic vias
Connection；
Above-mentioned floor layer includes plane floor insulation medium substrate and is printed on floor insulation medium substrate lower surface
Floor metal patch；Floor metal patch is square slotting structure；I.e. floor metal patch by square metal floor piece, with
And it is opened in the gap composition of 2 crisscrosses at the center of square metal floor piece；The bearing of trend in 2 gaps
The diagonal of the metal floor piece square along this.
In such scheme, the bottom surface of metal back of the body chamber is plane or cambered surface.
In such scheme, symmetrical center line and the longitudinal direction of radiation metal patch of 2 convex shape grooves of metal patch are radiated
Center line overlaps；The symmetrical center line for radiating 2 square grooves of metal patch overlaps with radiating the transversal centerline of metal patch.
In such scheme, radiate the sheet metal of metal patch wherein 2 are diagonally provided with corner cut.
In such scheme, the equal length of all metal arms of upper electromagnetism Meta Materials metal patch, lower electromagnetism Meta Materials gold
Belong to the equal length of all metal arms on paster.
In such scheme, every 2 metal arms on upper electromagnetism Meta Materials metal patch and lower electromagnetism Meta Materials metal patch
Between angle it is equal.
In such scheme, on every metal arm on upper electromagnetism Meta Materials metal patch and lower electromagnetism Meta Materials metal patch
Provided with the gap for allowing this metal arm to be disconnected from length direction.
In such scheme, the center in 2 gaps on the metal patch of floor is intersected.
In such scheme, distributing point is located on the longitudinal midline of aerial radiation plate, and in the transverse direction of aerial radiation plate
The front side of line.
In such scheme, radiating layer, electromagnetism metamaterial layer and floor layer are fixed together by insulated screw.
Compared with prior art, the utility model is by first layer radiating layer, second layer electromagnetism metamaterial layer, third layer floor
Layer collectively forms the radiant panel of antenna；The electromagnetism metamaterial layer of the wherein second layer changes the relative dielectric constant of this layer and relative
Magnetic conductivity so that wavelength of the radiated electromagnetic wave in the Meta Materials medium reduces, and is advantageous to reduce antenna size, changes impedance
Characteristic, be advantageous to expand bandwidth；In addition, the addition of five face metal back of the body chambers can effectively shield backward radiation and external interference, increase
The requirement of strong antenna direction radiation directivity；Antenna is integrally without additional matching network, and the size of antenna is only 60mm, opposite band
A width of 11.7%；The utility model spy such as have double frequency-band, high-gain, miniaturization, good directed radiation, feeding classification simple
Point, can meet the detection requirement of Missile-borne Antenna, while also meet portable design requirement, be also applied to other fields,
It is not limited on missile flight device.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram for the miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials.
Fig. 2 is that a kind of first layer for the miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials ties surface structure signal
Figure.
Fig. 3 is a kind of the second Rotating fields upper surface signal of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials
Figure.
Fig. 4 is a kind of the second Rotating fields lower surface signal of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials
Figure.
Fig. 5 is a kind of third layer structure lower surface signal of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials
Figure.
Fig. 6 is the VSWR test curve figures of the utility model antenna.
Fig. 7 is the Gain test curve figures of the utility model antenna.
Fig. 8 is the AR test curve figures of the utility model antenna.
Label in figure：1st, metal back of the body chamber；2nd, aerial radiation plate；
2-1, radiating layer；2-1-1, non-radiative dielectric medium substrate；2-1-2, radiation metal patch；2-1-2-1, metal radiation
Piece；2-1-2-2, convex shape groove；2-1-2-3, U-lag；2-1-2-4, square groove；
2-2, electromagnetism metamaterial layer；2-2-1, electromagnetism Meta Materials dielectric substrate；2-2-2, upper electromagnetism Meta Materials metal
Paster；2-2-3, lower electromagnetism Meta Materials metal patch；2-2-2-1, metal arm；2-2-2-2, gap；2-2-2-3, metallic vias；
2-3, floor layer；2-3-1, floor insulation medium substrate；2-3-2, floor metal patch；2-3-2-1, metal floor
Piece；2-3-2-2, gap；
2-4, distributing point；
2-5, insulated screw.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with instantiation, and join
According to accompanying drawing, the utility model is further described.It should be noted that the direction term mentioned in example, such as " on ",
" under ", " in ", " left side " " right side ", "front", "rear" etc., only it is the direction of refer to the attached drawing.Therefore, the direction used is intended merely to illustrate
Not it is used for limiting the scope of protection of the utility model.
A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials, as shown in figure 1, mainly carrying on the back chamber 1 by metal
Formed with aerial radiation plate 2.
Metal the back of the body chamber 1 be upper top surface opening hollow square body, i.e., metal the back of the body chamber 1 by left surface, right flank, leading flank,
The cavity that trailing flank and bottom surface are formed.The upper top surface of metal back of the body chamber 1 leaves opening and covered for aerial radiation plate 2.In this reality
Apply in example, aerial radiation plate 2 is fixedly connected with metal back of the body chamber 1 by insulated screw 2-5.Metal carries on the back chamber 1 and the shape of aerial radiation plate 2
The square hollow cavity closed into one.The bottom surface of metal back of the body chamber 1 is plane or cambered surface.Metal back of the body chamber 1 can effectively shield
Backward radiation and external interference are covered, and strengthens Antenna gain pattern, while as the carrier of aerial radiation plate 2, is served very
Good fixation.In the utility model preferred embodiment, whole antenna is arranged on inside body, and internal work environment is answered
It is miscellaneous.In order to reduce the outside influence to antenna radiation performance, the circumferential closed metal back of the body structure of chamber 1 has been used.Metal the back of the body chamber 1 be by
Thickness about 1.5mm aluminium alloy is bent into, and preparation is very easy, has greatly saved cost.In order to allow the cuing open of whole antenna
Face is highly as far as possible low, reduces the interference between other equipment, and the height of metal back of the body chamber 1 is corresponding certainly for Antenna Operation centre frequency
By 1/67 or so of space wavelength.In the present embodiment, the height of metal back of the body chamber 1 is 10mm.In the bottom surface of metal back of the body chamber 1
Leave the hole position of fixed feed placement in portion.
Aerial radiation plate 2 is made up of radiating layer 2-1, electromagnetism metamaterial layer 2-2, floor layer 2-3 and distributing point 2-4.Radiation
Layer 2-1, electromagnetism metamaterial layer 2-2 and floor layer 2-3 are of the same size square, wherein radiating layer 2-1, position positioned at upper strata
Electromagnetism metamaterial layer 2-2 in middle level and the floor layer 2-3 positioned at lower floor are affixed from top to bottom, and such stepped construction is advantageous to
The miniaturization of antenna is realized, realizes low section.Radiating layer 2-1, electromagnetism metamaterial layer 2-2 and floor layer 2-3 can both pass through work
Skill is compressed together, can also be fixed together by insulated screw 2-5.In order to which preferably radiating layer 2-1, electromagnetism are surpassed
Material layer 2-2 and floor layer 2-3 are fixed together, and the present embodiment realizes the fixation of three using insulated screw 2-5.Distributing point 2-
4 are located at the middle front part of aerial radiation plate 2, and radiating layer 2-1, electromagnetism metamaterial layer 2-2 and floor layer 2-3 corresponding position are equipped with feedback
Electric point 2-4, radiating layer 2-1, electromagnetism metamaterial layer 2-2 and floor layer 2-3 realize coaxial feed by distributing point 2-4.In this reality
In new, distributing point 2-4 is located on the longitudinal midline of aerial radiation plate 2, and before the transversal centerline of aerial radiation plate 2
Side.Specifically, distributing point 2-4 is located at the inferoanterior 8mm of the central point of aerial radiation plate 2, at the 0.5mm of the left side.
Referring to Fig. 2, above-mentioned radiating layer 2-1 includes plane non-radiative dielectric medium substrate 2-1-1 and is printed on radiation absolutely
The radiation metal patch 2-1-2 of edge medium substrate 2-1-1 upper surfaces.It is square notching construction to radiate metal patch 2-1-2.That is spoke
Metal patch 2-1-2 is penetrated by square metal radiation piece 2-1-2-1 and is opened in the square metal radiation piece 2-1-2-1
On 2 convex shape groove 2-1-2-2,2 U-lag 2-1-2-3 and 2 square groove 2-1-2-4 composition.Convex shape groove 2-1-2-2,
U-lag 2-1-2-3 and square groove 2-1-2-4 effect are the current paths for increasing antenna, reduce the size of antenna.Radiation
Wherein 2 of metal patch 2-1-2 sheet metal are diagonally provided with corner cut, and the position of the corner cut is arranged on the diagonal being tilted to the right
On corresponding 2 are diagonal, to realize circular polarisation.2 convex shape groove 2-1-2-2 are symmetrically opened in square metal radiation piece
The edge of 2-1-2-1 front and rear 2 opposite side, and this 2 convex shape groove 2-1-2-2 are positioned at the vertical of radiation metal patch 2-1-2
On to the midline, i.e. this 2 convex shape groove 2-1-2-2 are located at the middle part of front and rear 2 opposite side.In the present embodiment, 2 convex shape grooves
2-1-2-2 shapes and sizes are completely the same, and this 2 convex shape groove 2-1-2-2 symmetrical center line and radiation metal patch
2-1-2 longitudinal midline overlaps.2 U-lag 2-1-2-3 are relatively opened in square metal radiation piece 2-1-2-1 left and right 2
The edge of bar opposite side, and this 2 U-lag 2-1-2-3 are located at the both sides of radiation metal patch 2-1-2 transversal centerline respectively,
I.e. wherein 1 U-lag 2-1-2-3 is located at the bottom of left opposite side, and 1 U-lag 2-1-2-3 is located at the top of left opposite side in addition；2
Square groove 2-1-2-4 is symmetrically opened in the left and right sides of square sheet metal.In the present embodiment, 2 U-lag 2-1-2-3
Shapes and sizes it is completely the same.2 square groove 2-1-2-4 are symmetrically opened in square metal radiation fin 2-1-2-1 left and right
Both sides, and this 2 square groove 2-1-2-4 are located in radiation metal patch 2-1-2 transversal centerline, i.e. this 2 square groove 2-1-
2-4 is located at the middle part of the fore-and-aft direction of the left and right sides.In the present embodiment, 2 square groove 2-1-2-4 shapes and sizes are complete
Unanimously, and this 2 square groove 2-1-2-4 symmetrical center line overlaps with radiating metal patch 2-1-2 transversal centerline.
Referring to Fig. 2 and Fig. 3, above-mentioned electromagnetism metamaterial layer 2-2 includes plane electromagnetism Meta Materials dielectric substrate 2-
2-1, the upper electromagnetism Meta Materials metal patch 2-2-2 for being printed on electromagnetism Meta Materials dielectric substrate 2-2-1 upper surfaces and printing
Lower electromagnetism Meta Materials metal patch 2-2-3 in electromagnetism Meta Materials dielectric substrate 2-2-1 lower surfaces.Upper electromagnetism Meta Materials gold
Belong to paster 2-2-2 and lower electromagnetism Meta Materials metal patch 2-2-3 on electromagnetism Meta Materials dielectric substrate 2-2-1 speculars
Set, both are star radial configuration.I.e. upper electromagnetism Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials metal patch 2-
2-3 forms by the metal arm 2-2-2-1 of the strip of more than 4, and upper electromagnetism Meta Materials metal patch 2-2-2 metal arm
2-2-2-1 is identical with lower electromagnetism Meta Materials metal patch 2-2-3 metal arm 2-2-2-1 quantity.These metal arms 2-2-2-1
Center on upper electromagnetism Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials metal patch 2-2-3 is arranged radially.
In the present embodiment, upper electromagnetism Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials metal patch 2-2-3 are by 12 metal arms
2-2-2-1 according to be separated by certain angular displacement into star topology.In the engineer applied of reality, each metal arm 2-2-2-
1, which is separated by angle [alpha], to choose at random, i.e., star topology can be arranged by periodic structure and be formed, and can also be arranged by aperiodic structure
Cloth forms.In the present embodiment, on upper electromagnetism Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials metal patch 2-2-3
Angle between every 2 metal arm 2-2-2-1 is equal, i.e. metal arm 2-2-2-1 arranges using the cycle, metal arm 2-2-
The angle [alpha] being separated by between 2-1 is the same, is all 30 °.Upper electromagnetism Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials gold
Category paster 2-2-3 each metal arm 2-2-2-1 length can be selected according to the specific works frequency range of antenna.Upper electromagnetism
Meta Materials metal patch 2-2-2 all metal arm 2-2-2-1 equal length, on lower electromagnetism Meta Materials metal patch 2-2-3
All metal arm 2-2-2-1 equal length.In this example, upper electromagnetism Meta Materials metal patch 2-2-2 metal arm 2-
2-2-1 length is the same, is all 24.5mm, and lower electromagnetism Meta Materials metal patch 2-2-3 metal arm 2-2-2-1 length is the same
, it is 27.5mm.Upper electromagnetism Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials metal patch 2-2-3 each metal
Arm 2-2-2-1 width is according to practical application conditional decision.In this implementation column, upper electromagnetism Meta Materials metal patch 2-2-2 and
Lower electromagnetism Meta Materials metal patch 2-2-3 all metal arm 2-2-2-1 width is consistent, is 2.5mm.In addition, upper electricity
Can be with every metal arm 2-2-2-1 on magnetic Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials metal patch 2-2-3
Further have additional the gap 2-2-2-2 for allowing this metal arm 2-2-2-1 to be disconnected from length direction, so that the super material of electromagnetism
The resonant ring of material SRR construction units can be equivalent to a LC resonance circuit.The gap 2-2- that each metal arm 2-2-2-1 disconnects
2-2 width can be with equal, can also be unequal, and gap 2-2-2-2 width can be adjusted according to the difference of working frequency range.
In the present embodiment, gap 2-2-2-2 that upper electromagnetism Meta Materials metal patch 2-2-2 metal arm 2-2-2-1 disconnects be it is the same,
It is 2.5mm, lower electromagnetism Meta Materials metal patch 2-2-3 metal arm 2-2-2-1 gap 2-2-2-2 is the same, is
1.5mm.Every metal arm 2-2- on upper electromagnetism Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials metal patch 2-2-3
Metallic vias 2-2-2-3 is equipped with 2-1, metallic vias 2-2-2-3 insertion electromagnetism Meta Materials dielectric substrates 2-2-1's is upper
Lower surface, so 2 mirror images on the upper and lower electromagnetism Meta Materials metal patch 2-2-3 of upper electromagnetism Meta Materials metal patch 2-2-2
Relative metal arm 2-2-2-1 is interconnected by this metallic vias 2-2-2-3.In the present embodiment, metallic vias 2-2-
2-3 a diameter of 1.5mm.In the present embodiment, due to upper electromagnetism Meta Materials metal patch 2-2-2 and lower electromagnetism Meta Materials metal
Paster 2-2-3 has a metal arm 2-2-2-1 by distributing point 2-4, therefore the metal mistake on this 2 metal arm 2-2-2-1
Hole 2-2-2-3 and distributing point 2-4 through hole share, i.e. 11 metallic vias 2-2-2- of the metamaterial structure unit of upper and lower surface
3 insertion get up, one of which not with metallic vias 2-2-2-3 insertion be feed pass through position.Upper electromagnetism Meta Materials gold
Belong to paster 2-2-2 and lower electromagnetism Meta Materials metal patch 2-2-3 and form electromagnetism metamaterial structure, the electromagnetism metamaterial structure can
High magnetic permeability characteristic is produced in working frequency range, realizes the reduction of electromagnetic wave medium wavelength, and then realize the miniaturization of antenna.
Referring to Fig. 4, above-mentioned floor layer 2-3 includes plane floor insulation medium substrate 2-3-1 and to be printed on floor exhausted
The floor metal patch 2-3-2 of edge medium substrate 2-3-1 lower surfaces.Floor metal patch 2-3-2 is square slotting structure.I.e.
Sheetmetal paster 2-3-2 is by square metal floor piece 2-3-2-1 and is opened in square metal floor piece 2-3-2-1's
The gap 2-3-2-2 compositions of 2 crisscrosses at center.2 gap 2-3-2-2 bearing of trend is along the square gold
Possession plate 2-3-2-1 diagonal.Intersect at floor metal patch 2-3-2 2 gap 2-3-2-2 center.2 seams
Gap 2-3-2-2 width and effect length the resonant frequency and circular polarisation of antenna.Floor metal patch 2-3-2 2 gaps
2-3-2-2 length ratio can be adjusted according to specific works frequency range, and length ratio affects the circular polarisation and double frequency ratio of antenna
Scope.In the present embodiment, 2 gap 2-3-2-2 length is unequal, and width is equal and is 1mm.It is real in the utility model
In example, cross gap 2-3-2-2 double frequency ratio is 1.05.Floor layer 2-3 effect is to realize the circular polarisation of antenna, reduces antenna
Size.
Non-radiative dielectric medium substrate 2-1-1, electromagnetism Meta Materials dielectric substrate 2-2-1 and floor insulation medium substrate 2-
3-1 is made by insulating dielectric materials.The above-mentioned dielectric substrate on the one hand carrier as metal patch, another aspect also shadow
Ring the size of metal patch, i.e., when the thickness or dielectric constant of dielectric substrate change, dielectric substrate surface
Metal patch size need be finely adjusted.In this example, the material of dielectric substrate is that dielectric constant is 10.2
Rogers's dielectric-slab, thickness 0.635mm.Radiate metal patch 2-1-2, upper electromagnetism Meta Materials metal patch 2-2-2, lower electromagnetism
Meta Materials metal patch 2-2-3 and floor metal patch 2-3-2 material can be the metal materials such as gold, silver, tin, but synthesis is examined
Consider performance and cost, above-mentioned paster is prepared using copper product.
This antenna do not carry out it is any have consumption load, gain is higher, can meet requirement of the system to detection range and precision.Figure
6 be the standing wave test curve figure of the utility model embodiment antenna.As shown in fig. 6, in the frequency band range of double-frequency resonance,
420MHz-430MHz and 460MHz-470MHz are satisfied by S11≤ -10dBi, the relative bandwidth of antenna reach 11.7%.Fig. 7 is
The gain test curve map of antenna, as illustrated, in working band, the gain of antenna is all higher than -12dBi, meets that engineering should
Needs.Fig. 8 be the axle of antenna than test result, antenna has good circular polarisation performance.
In summary, the utility model is a kind of compact dual-frequency section circular polarized antenna for loading electromagnetism Meta Materials.Have
Double frequency-band, high-gain, miniaturization, good directed radiation, the features such as feeding classification is simple, it can meet that the detection of Missile-borne Antenna will
Ask, while also meet portable design requirement.
It should be noted that although embodiment described in the utility model is illustrative above, but this is not to this
The limitation of utility model, therefore the utility model is not limited in above-mentioned embodiment.The utility model is not being departed from
In the case of principle, other embodiment that every those skilled in the art obtain under enlightenment of the present utility model is accordingly to be regarded as
Within protection of the present utility model.
Claims (10)
- A kind of 1. miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials, it is characterised in that：Chamber (1) is mainly carried on the back by metal Formed with aerial radiation plate (2)；Metal back of the body chamber (1) is the hollow square body of upper top surface opening, and aerial radiation plate (2) is covered in gold The upper top surface of category back of the body chamber (1)；Aerial radiation plate (2) is by radiating layer (2-1), electromagnetism metamaterial layer (2-2), floor layer (2-3) and distributing point (2-4) group Into；Wherein it is located at radiating layer (2-1), the electromagnetism metamaterial layer (2-2) positioned at middle level and the floor layer (2- positioned at lower floor on upper strata 3) it is affixed from top to bottom, and radiating layer (2-1), electromagnetism metamaterial layer (2-2) and floor layer (2-3) are side of the same size Shape；Distributing point (2-4) is located at the middle front part of aerial radiation plate (2), i.e. radiating layer (2-1), electromagnetism metamaterial layer (2-2) and floor Layer (2-3) corresponding position is equipped with distributing point (2-4)；Above-mentioned radiating layer (2-1) includes plane non-radiative dielectric medium substrate (2-1-1) and is printed on non-radiative dielectric medium base The radiation metal patch (2-1-2) of plate (2-1-1) upper surface；It is square notching construction to radiate metal patch (2-1-2)；Radiate Metal patch (2-1-2) is by square metal radiation piece (2-1-2-1) and is opened in the square metal radiation piece (2-1- 2 convex shape grooves (2-1-2-2), 2 U-lags (2-1-2-3) and 2 square groove (2-1-2-4) compositions on 2-1)；2 convex Font groove (2-1-2-2) is symmetrically opened in the edge of front and rear 2 opposite side of square metal radiation piece (2-1-2-1), and This 2 convex shape grooves (2-1-2-2) are on the longitudinal midline of radiation metal patch (2-1-2)；2 U-lag (2-1-2-3) phases The edge of 2 opposite side in left and right of square metal radiation piece (2-1-2-1), and this 2 U-lag (2-1-2- are opened in over the ground 3) respectively positioned at the both sides for the transversal centerline for radiating metal patch (2-1-2)；2 square grooves (2-1-2-4) are symmetrically opened in The left and right sides of square metal radiation piece (2-1-2-1), and this 2 square grooves (2-1-2-4) are positioned at radiation metal patch (2- In transversal centerline 1-2)；Above-mentioned electromagnetism metamaterial layer (2-2) includes plane electromagnetism Meta Materials dielectric substrate (2-2-1), is printed on electromagnetism The upper electromagnetism Meta Materials metal patch (2-2-2) of Meta Materials dielectric substrate (2-2-1) upper surface and it is printed on the super material of electromagnetism Expect the lower electromagnetism Meta Materials metal patch (2-2-3) of dielectric substrate (2-2-1) lower surface；Upper electromagnetism Meta Materials metal patch (2-2-2) and lower electromagnetism Meta Materials metal patch (2-2-3) are on electromagnetism Meta Materials dielectric substrate (2-2-1) specular Set, both are star radial configuration；I.e. upper electromagnetism Meta Materials metal patch (2-2-2) and lower electromagnetism Meta Materials metal patch (2-2-3) forms by the metal arm (2-2-2-1) of the strip of more than 4, and upper electromagnetism Meta Materials metal patch (2-2-2) Metal arm (2-2-2-1) it is identical with the quantity of the metal arm (2-2-2-1) of lower electromagnetism Meta Materials metal patch (2-2-3)；This A little metal arms (2-2-2-1) are on upper electromagnetism Meta Materials metal patch (2-2-2) and lower electromagnetism Meta Materials metal patch (2-2-3) Center be arranged radially；Metallic vias (2-2-2-3), upper electromagnetism Meta Materials are equipped with every metal arm (2-2-2-1) Relative metal arm (the 2-2-2- of 2 mirror images on the upper and lower electromagnetism Meta Materials metal patch (2-2-3) of metal patch (2-2-2) 1) it is interconnected by this metallic vias (2-2-2-3)；Above-mentioned floor layer (2-3) includes plane floor insulation medium substrate (2-3-1) and is printed on floor insulation medium base The floor metal patch (2-3-2) of plate (2-3-1) lower surface；Floor metal patch (2-3-2) is square slotting structure；That is floor Metal patch (2-3-2) is by square metal floor piece (2-3-2-1) and is opened in square metal floor piece (2-3-2- 1) gap (2-3-2-2) composition of 2 crisscrosses at center；The bearing of trend edge of 2 gaps (2-3-2-2) should The diagonal of square metal floor piece (2-3-2-1).
- 2. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：The bottom surface of metal back of the body chamber (1) is plane or cambered surface.
- 3. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：Radiate the symmetrical center line and radiation metal patch (2-1-2) of 2 convex shape grooves (2-1-2-2) of metal patch (2-1-2) Longitudinal midline overlap；Radiate the symmetrical center line and radiation metal of 2 square grooves (2-1-2-4) of metal patch (2-1-2) The transversal centerline of paster (2-1-2) overlaps.
- 4. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：Wherein 2 of the sheet metal of radiation metal patch (2-1-2) are diagonally provided with corner cut.
- 5. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：The equal length of all metal arms (2-2-2-1) of upper electromagnetism Meta Materials metal patch (2-2-2), lower electromagnetism Meta Materials gold Belong to the equal length of all metal arms (2-2-2-1) on paster (2-2-3).
- 6. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：Every 2 metal arm (2- on upper electromagnetism Meta Materials metal patch (2-2-2) and lower electromagnetism Meta Materials metal patch (2-2-3) Angle between 2-2-1) is equal.
- 7. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：Every metal arm (2- on upper electromagnetism Meta Materials metal patch (2-2-2) and lower electromagnetism Meta Materials metal patch (2-2-3) 2-2-1) it is provided with and allows the gap (2-2-2-2) that this metal arm (2-2-2-1) disconnects from length direction.
- 8. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：Intersect at the center of 2 gaps (2-3-2-2) on floor metal patch (2-3-2).
- 9. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：Distributing point (2-4) is located on the longitudinal midline of aerial radiation plate (2), and before the transversal centerline of aerial radiation plate (2) Side.
- 10. a kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials according to claim 1, its feature exist In：Radiating layer (2-1), electromagnetism metamaterial layer (2-2) and floor layer (2-3) are fixed together by insulated screw (2-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720819608.6U CN207052749U (en) | 2017-07-07 | 2017-07-07 | A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720819608.6U CN207052749U (en) | 2017-07-07 | 2017-07-07 | A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052749U true CN207052749U (en) | 2018-02-27 |
Family
ID=61496171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720819608.6U Withdrawn - After Issue CN207052749U (en) | 2017-07-07 | 2017-07-07 | A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196050A (en) * | 2017-07-07 | 2017-09-22 | 桂林电子科技大学 | A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials |
-
2017
- 2017-07-07 CN CN201720819608.6U patent/CN207052749U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196050A (en) * | 2017-07-07 | 2017-09-22 | 桂林电子科技大学 | A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104505588B (en) | Dual-circular polarization microstrip antenna array | |
| CN111029762A (en) | Millimeter wave end-fire circularly polarized antenna and wireless communication equipment | |
| CN110323575A (en) | The dual polarization close coupling ultra wide band phased array antenna of electromagnetism Meta Materials load | |
| CN107394359A (en) | Millimeter wave broadband high-gain circular polarization plane aperture antenna | |
| CN105896091A (en) | Miniaturized broadband high-gain circular polarized microstrip antenna | |
| CN108987903A (en) | The series feed linear array circular polarization microstrip antenna of micro-strip | |
| CN209913026U (en) | High-gain double-frequency circularly polarized antenna based on super surface | |
| CN109638477A (en) | A kind of broadband low minor lobe circular polarised array antenna on the super surface of load | |
| JP2001085939A (en) | Print two-polarized-wave antenna and its antenna network | |
| CN107623177A (en) | Wideband MIMO antenna based on Unit four | |
| CN111541040A (en) | Double-linear polarization and double-circular polarization four-port reconfigurable dielectric resonant antenna | |
| CN110380193A (en) | A kind of miniaturization multiband Shared aperture circular polarized antenna | |
| CN210404041U (en) | Miniaturized ultra wide band dual polarized antenna | |
| CN111883910B (en) | Dual-polarized low-profile magnetoelectric dipole antenna and wireless communication equipment | |
| WO2022262876A1 (en) | High-gain and low-rcs broadband circularly polarized metasurface antenna based on novel sequential rotation feeding network | |
| CN107104278A (en) | It is a kind of that there is wide axle in pitching face than the low section omnidirectional circular-polarized antenna of wave beam | |
| CN105958192B (en) | A kind of double frequency anti-multipath navigation antenna dividing shape electromagnetic bandgap structure using Peano | |
| CN206180103U (en) | Miniaturized three frequency dual circular polarization antennas | |
| CN105337029B (en) | microstrip antenna | |
| CN111600124A (en) | Low-profile ultra-wideband super-surface antenna | |
| CN105896036A (en) | Broadband differential antenna | |
| CN108879087A (en) | A kind of single layer wideband microband array antenna with harmonics restraint | |
| CN107196050A (en) | A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials | |
| CN207052749U (en) | A kind of miniaturized dual-band circular polarized antenna for loading electromagnetism Meta Materials | |
| CN207517872U (en) | A kind of broadband circle polarized slot antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUILIN FEIYU TECHNOLOGY Corp.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2022450000309 Denomination of utility model: A miniaturized dual band circularly polarized antenna loaded with electromagnetic metamaterials Granted publication date: 20180227 License type: Common License Record date: 20221212 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180227 Effective date of abandoning: 20230530 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180227 Effective date of abandoning: 20230530 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |