CN109066074A - Directional diagram reconstructable aerial and communication equipment - Google Patents
Directional diagram reconstructable aerial and communication equipment Download PDFInfo
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- CN109066074A CN109066074A CN201810811624.XA CN201810811624A CN109066074A CN 109066074 A CN109066074 A CN 109066074A CN 201810811624 A CN201810811624 A CN 201810811624A CN 109066074 A CN109066074 A CN 109066074A
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- directional diagram
- doublet unit
- radiation patch
- microstrip line
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- 238000010586 diagram Methods 0.000 title claims abstract description 48
- 238000004891 communication Methods 0.000 title claims abstract description 11
- 230000005855 radiation Effects 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 16
- 230000002146 bilateral effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 206010003084 Areflexia Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/20—Two collinear substantially straight active elements; Substantially straight single active elements
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of directional diagram reconstructable aerial and communication equipment, the antenna includes medium substrate, the first radiation patch, the second radiation patch and feed probes；First radiation patch, which is arranged, is symmetrically distributed in the two sides of medium substrate upper surface in medium substrate upper surface, including two step electric impedance resonator patches and the first doublet unit, two step electric impedance resonator patches, is loaded with switch；Second radiation patch is arranged in medium substrate lower surface, including the second doublet unit, and the second doublet unit is symmetrical in the projection of medium substrate upper surface and the first doublet unit；The both ends of feed probes are connect with the first doublet unit, the second doublet unit respectively；The communication equipment includes above-mentioned antenna.Inventive antenna has many advantages, such as handoff functionality in the face H omnidirectional and orientation and in the face E direction handoff functionality, and have structure is simple, before and after directional diagram it is relatively high, directionality is preferable, restructural broader bandwidth, at low cost and easy processing.
Description
Technical field
The present invention relates to a kind of antenna, especially a kind of directional diagram reconstructable aerial and communication equipment belong to antenna technology
Field.
Background technique
Since available space resources and frequency spectrum resource are limited, with the development of communication technology, constantly gush in recent years
Reveal all kinds of radio technologies and application, so that just the frequency spectrum resource of preciousness becomes more and more in short supply originally, but people are to frequency
The demand of spectrum is growing, so large capacity, multi-functional, miniaturization has been the important directions of antenna development.It is restructural
Antenna is as a kind of new antenna, and compared with traditional antenna that can only realize single fixed performance mode, it has multi-functional
The advantages such as diversity application are realized with easy.
The restructural characteristic of directional diagram can make signal alignment target user, to avoid interference source to inhibit signal dry
It disturbs, saves system capacity, improve the safety and confidentiality of communication system, therefore directional diagram reconstructable has very high researching value
And broad application prospect.Major part directional diagram reconstructable is all to utilize introducing PIN diode or MEMS in antennas at present
RF switches such as (Micro Electro Mechanical Systems, microelectromechanical systems), are controlled by the method
The electric current being distributed on antenna is to realize directional diagram reconstructable.
Summary of the invention
Present invention aim to address in place of above-mentioned the deficiencies in the prior art, a kind of directional diagram reconstructable aerial is provided, it should
Antenna also has structure letter with the handoff functionality in the face H omnidirectional and orientation and in the face E direction handoff functionality on this basis
It the advantages that relatively high, directionality is preferable, restructural broader bandwidth, at low cost and easy processing before and after single, directional diagram, can be well
Field is guided applied to 2.4GWIFI frequency range, wireless communication, military-civil radar, intellectual weapon.
Another object of the present invention is to provide a kind of communication equipments.
The purpose of the present invention can be reached by adopting the following technical scheme that:
Directional diagram reconstructable aerial, including medium substrate, the first radiation patch, the second radiation patch and feed probes；
First radiation patch is arranged in medium substrate upper surface, including two step electric impedance resonator patches and first
Doublet unit, two step electric impedance resonator patches are symmetrically distributed in the two sides of medium substrate upper surface, are loaded with switch；
Second radiation patch is arranged in medium substrate lower surface, including the second doublet unit, the second dipole list
Member is symmetrical in the projection of medium substrate upper surface and the first doublet unit；
The both ends of the feed probes are connect with the first doublet unit, the second doublet unit respectively.
Further, the cross sectional shape of the medium substrate is rectangle, the size of medium substrate be 60mm × 52mm ×
0.8mm。
Further, the medium substrate uses FR4 medium plate, relative dielectric constant 3.8, and loss tangent is
0.02。
Further, each step electric impedance resonator patch includes three sequentially connected microstrip lines, and every two adjacent
A switch is loaded between microstrip line.
Further, the switch is switchplexer.
Further, in three microstrip lines of each step electric impedance resonator patch, the size of both sides microstrip line is identical, and two
The length of side microstrip line is respectively less than the length of intermediate microstrip line, and the width of both sides microstrip line is all larger than the width of intermediate microstrip line
Degree.
Further, in three microstrip lines of each step electric impedance resonator patch, the length of both sides microstrip line is 0.1
λ0~0.12 λ0, the length of intermediate microstrip line is 0.13 λ0~0.15 λ0, wherein λ0For free space corresponding to center of antenna frequency
Wavelength.
Further, first doublet unit and the second doublet unit are in rectangular strip.
Further, the length of first doublet unit and the second doublet unit is 0.16 λ0~0.18 λ0。
Further, first radiation patch further includes two annular minor matters and two L shape minor matters, two annular minor matters
It is connect respectively with the first doublet unit with two L shape minor matters；
Second radiation patch further includes two annular minor matters and two L shape minor matters, two annular minor matters and two L shapes
Minor matters are connect with the second doublet unit respectively.
Further, two annular minor matters of two of first radiation patch annular minor matters and the second radiation patch
Length is 6mm~10mm.
Further, two annular minor matters of two of first radiation patch annular minor matters and the second radiation patch are equal
In rectangular ring.
Further, the length of two L shape minor matters of two L shape minor matters and the second radiation patch of first radiation patch
Degree is 0.16 λ0~0.18 λ0, wherein λ0For the wavelength of free space corresponding to center of antenna frequency.
Further, the medium substrate is equipped with via hole, and the via hole can be such that feed probes pass through.
Further, the feed probes use coaxial line, the outer surface of coaxial line first end and the first doublet unit
Connection, the inner core of coaxial line second end pass through medium substrate and connect with the second doublet unit.
Further, the characteristic impedance of the coaxial line is 50 Ω, and the radius of coaxial line inner core is 0.35mm.
Another object of the present invention can be reached by adopting the following technical scheme that:
Communication equipment, including above-mentioned directional diagram reconstructable aerial.
The present invention have compared with the existing technology it is following the utility model has the advantages that
1, two step electric impedance resonator (Stepped-Impedance- are arranged in medium substrate upper surface in inventive antenna
Resonators, SIR) patch and a doublet unit, and one dipole is set in medium substrate lower surface, pass through two
The reconstruct of directional diagram, and two ranks may be implemented in mode of a doublet unit in conjunction with two step electric impedance resonator patches
Terraced electric impedance resonator patch is loaded with switch, by the conducting and disconnection of control switch, can be oriented simultaneously in the face H and entirely
To switching, the face E carry out direction switching, it can the directional diagram in the face H and the face E is reconstructed, other types are different from
Antenna compares other types of antenna with step electric impedance resonator as reflector, has structure simple, is easy to make, ruler
Very little small advantage.
2, inventive antenna is by respectively loading two annular minor matters and two L shape minor matters, energy in medium substrate upper and lower surfaces
The front and back ratio of antenna is enough effectively improved, front and back ratio can reach 25dB, and restructural bandwidth reaches 15%.
3, the medium substrate of inventive antenna uses FR4 dielectric-slab, can reduce in terms of the selection of dielectric material very big
Cost.
Detailed description of the invention
Fig. 1 is the perspective structure figure of the directional diagram reconstructable aerial of the embodiment of the present invention 1.
Fig. 2 is that the directional diagram reconstructable aerial of the embodiment of the present invention 1 is in mode reflection coefficient analogous diagram for the moment.
Fig. 3 is that the directional diagram reconstructable aerial of the embodiment of the present invention 1 is in mode for the moment in E surface radiation field pattern.
Fig. 4 is that the directional diagram reconstructable aerial of the embodiment of the present invention 1 is in mode for the moment in H surface radiation field pattern.
Fig. 5 is in reflection coefficient analogous diagram when mode two for the directional diagram reconstructable aerial of the embodiment of the present invention 1；
Fig. 6 is when the directional diagram reconstructable aerial of the embodiment of the present invention 1 is in mode two in E surface radiation field pattern；
Fig. 7 is when the directional diagram reconstructable aerial of the embodiment of the present invention 1 is in mode two in H surface radiation field pattern；
Fig. 8 is in reflection coefficient analogous diagram when mode three for the directional diagram reconstructable aerial of the embodiment of the present invention 1；
Fig. 9 is when the directional diagram reconstructable aerial of the embodiment of the present invention 1 is in mode three in E surface radiation field pattern；
Figure 10 is when the directional diagram reconstructable aerial of the embodiment of the present invention 1 is in mode three in H surface radiation field pattern；
Figure 11 is the directional diagram reconstructable aerial front and back of the embodiment of the present invention 1 than the variation with frequency.
Wherein, 1- medium substrate, 2- feed probes, 3- the first step electric impedance resonator patch, the first microstrip line of 301-,
The second microstrip line of 302-, 303- third microstrip line, 304- first switch, 305- second switch, the second step electric impedance resonator of 4-
Patch, the 4th microstrip line of 401-, the 5th microstrip line of 402-, the 6th microstrip line of 403-, 404- third switch, 405- the 4th are switched,
The first doublet unit of 5-, the second doublet unit of 6-, the first annular minor matters of 7-, the annular minor matters of 8- second, the first L shape branch of 9-
Section, the 2nd L shape minor matters of 10-, 11- third annular minor matters, 12- fourth annular minor matters, the 3rd L shape minor matters of 13-, the 4th L shape branch of 14-
Section.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Embodiment 1:
As shown in Figure 1, present embodiments providing a kind of directional diagram reconstructable aerial, which includes medium substrate 1, first
Radiation patch, the second radiation patch and feed probes 2, the first radiation patch are arranged in 1 upper surface of medium substrate (front), specifically
It is etched in 1 upper surface of medium substrate, the second radiation patch is arranged at medium substrate lower surface (back side), is specifically etched in medium base
2 lower surface of plate, the both ends of feed probes 2 are connect with the first radiation patch, the second radiation patch respectively.
The cross sectional shape of the medium substrate 1 is rectangle, and the length in section is 60mm, and width 52mm is highly
0.8mm, that is to say, that its overall dimensions is 60mm × 52mm × 0.8mm, and medium substrate 1 is equipped with via hole (metallic vias), can
Pass through feed probes 2.
Further, medium substrate 1 uses cheap FR4 medium plate, relative dielectric constant 3.8, loss angle tangent
Value is 0.02, and very big cost can be reduced in terms of the selection of dielectric material.
First radiation patch includes the first step electric impedance resonator patch 3,4 and of the second step electric impedance resonator patch
First doublet unit 5, second radiation patch include the second doublet unit 6,3 He of the first step electric impedance resonator patch
Second step electric impedance resonator patch 4 is symmetrically distributed in the upper and lower two sides of 1 upper surface of medium substrate, is loaded with switch, and first
Doublet unit 5 is arranged on the length direction midline position of 1 upper surface of medium substrate, and the second doublet unit 6 is arranged in Jie
On the length direction midline position of 1 lower surface of matter substrate, and the second doublet unit 61 upper surface of medium substrate projection with
First doublet unit, 5 bilateral symmetry, in such a way that two doublet units are in conjunction with two step electric impedance resonator patches
The reconstruct of directional diagram may be implemented, and two step electric impedance resonator patches are loaded with switch, pass through leading for control switch
Through and off are opened, and can be oriented the switching with omnidirectional in the face H simultaneously, carry out the switching in direction in the face E, it can to the face H and the face E
Directional diagram be reconstructed.
Further, the first step electric impedance resonator patch 3 includes three sequentially connected microstrip lines, three microstrip lines point
Not Wei the first microstrip line 301, the second microstrip line 302 and third microstrip line 303, wherein the first microstrip line 301 and the second microstrip line
302 are arranged in the right and left, and third microstrip line 303 is arranged in centre, the size of the first microstrip line 301 and the second microstrip line 302
Identical, the length of the first microstrip line 301 and the second microstrip line 302 is less than the length of third microstrip line 303, and the first microstrip line
301 and second microstrip line 302 width be greater than third microstrip line 303 width, specifically, the first microstrip line 301 and second is micro-
Length with line 302 is 0.12 λ0, the length of third microstrip line 303 is 0.13 λ0, wherein λ0For corresponding to center of antenna frequency
The wavelength of free space, the centre frequency of the present embodiment are 2.3GHz, are added between the first microstrip line 301 and third microstrip line 303
It is loaded with first switch 304, is loaded with second switch 305 between the second microstrip line 302 and third microstrip line 303.
Further, the second step electric impedance resonator patch 4 also includes three sequentially connected microstrip lines, three microstrip lines
Respectively the 4th microstrip line 401, the 5th microstrip line 402 and the 6th microstrip line 403, wherein the 4th microstrip line 401 and the 5th micro-strip
Line 402 is arranged in the right and left, and the 6th microstrip line 403 is arranged in centre, the ruler of the 4th microstrip line 401 and the 5th microstrip line 402
It is very little identical, the length of the length of the 4th microstrip line 401 and the 5th microstrip line 402 less than the 6th microstrip line 403, and the 4th microstrip line
401 and the 5th microstrip line 402 width be greater than the 6th microstrip line 403 width, specifically, the 4th microstrip line 401 and the 5th is micro-
Length with line 402 is identical as the length of the first microstrip line 301 and the second microstrip line 302, is also 0.12 λ0, the 6th microstrip line
403 length is identical as the length of third microstrip line 303, is also 0.13 λ0, the 4th microstrip line 401 and the 6th microstrip line 403 it
Between be loaded with third switch 404, be loaded with the 4th switch 405 between the 5th microstrip line 402 and the 6th microstrip line 403.
The first switch 304, second switch 305, third switch 404 and the 4th switch 405 of the present embodiment are all made of radio frequency
Diode switch is opened by the closure (conducting) and disconnection of control first switch 304 and second switch 305, and control third
Close 404 and the 4th switch 405 closure (conducting) and disconnection, can while in the face H be oriented the switching with omnidirectional, the face E into
The switching of line direction, it can the directional diagram in the face H and the face E is reconstructed.
Further, the first doublet unit 5 and the second doublet unit 6 are in rectangular strip, and the first dipole list
Member 5 and the length of the second doublet unit 6 are 0.17 λ0, it is seen that the length of the first doublet unit 5 and the second doublet unit 6
Degree is greater than the length of single microstrip line in the first step electric impedance resonator patch 3 and the second step electric impedance resonator patch 4.
Preferably, the first radiation patch further includes the annular minor matters 8 of first annular minor matters 7, second, the first L shape minor matters 9 and the
Two L shape minor matters 10, the second radiation patch further include third annular minor matters 11, fourth annular minor matters 12, the 3rd L shape minor matters 13 and
Four L shape minor matters 14, first annular minor matters 7 and the second annular minor matters 8 are symmetrically distributed in the upper and lower two sides of the first doublet unit 5,
And connect respectively with the first doublet unit 5, the first L shape minor matters 9 and the 2nd L shape minor matters 10 are also symmetrically distributed in the first dipole
The upper and lower two sides of unit 5, and connect respectively with the first doublet unit 5, third annular minor matters 11 and fourth annular minor matters 12 are right
Claim the upper and lower two sides for being distributed in the second doublet unit 6, and is connect respectively with the second doublet unit 6, the 3rd L shape minor matters 13
The upper and lower two sides of the second doublet unit 6 are also symmetrically distributed in the 4th L shape minor matters 14, and respectively with the second doublet unit 6
Connection, wherein projection and first annular minor matters 7 bilateral symmetry, Fourth Ring of the third annular minor matters 11 in 1 upper surface of medium substrate
Shape minor matters 12 are in the projection and the second annular 8 bilateral symmetry of minor matters of 1 upper surface of medium substrate, and the 3rd L shape minor matters 13 are in medium base
9 bilateral symmetry of the projection of 1 upper surface of plate and the first L shape minor matters, the 4th L shape minor matters 14 1 upper surface of medium substrate projection with
2nd L shape minor matters, 10 bilateral symmetry, by respectively loading two annular minor matters and two L shape minor matters in medium substrate upper and lower surfaces,
The front and back ratio of antenna can be effectively improved.
Further, the annular minor matters 8 of first annular minor matters 7, second, third annular minor matters 11 and fourth annular minor matters 12 are equal
In rectangular ring, the length of the annular minor matters 8 of first annular minor matters 7, second, third annular minor matters 11 and fourth annular minor matters 12 is equal
For 8mm.
Further, the first L shape minor matters 9, the 2nd L shape minor matters 10, the 3rd L shape minor matters 13 and the 4th L shape minor matters 14 have
Have vertical section and horizontal segment, wherein vertical section one end of the first L shape minor matters 9 and the 2nd L shape minor matters 10 respectively with the first dipole
Unit 5 connects, and the other end connect with respective horizontal segment, vertical section one end of the 3rd L shape minor matters 13 and the 4th L shape minor matters 14 and
The connection of second doublet unit 6, the other end are connect with respective horizontal segment, it will be understood that the first L shape minor matters 9 are actually by positive L
Shape structure rotates clockwise 90 degree and obtains, and the 2nd L shape minor matters 10 are actually rotated by 90 ° to obtain by inverted l-shaped structure counterclockwise, the
Three L shape minor matters 11 actually rotate clockwise 90 degree by inverted l-shaped structure and obtain, and the 4th L shape minor matters 12 are actually by positive L-shaped structure
It is rotated by 90 ° to obtain counterclockwise.
Further, the first L shape minor matters 9, the 2nd L shape minor matters 10, the 3rd L shape minor matters 13 and the 4th L shape minor matters 14
Length is 0.17 λ0, it is seen that it is identical as the length of the first doublet unit 5, the second doublet unit 6.
The feed probes 2 have first end and the second end opposite with first end, wherein first end be upper end, second
End is lower end, and first end is connect with the first doublet unit 5, and second end is connect with the second doublet unit 6；Preferably, it feeds
Probe 2 uses characteristic impedance for the coaxial line of 50 Ω, and the inner core radius of the coaxial line is 0.35mm, the appearance of coaxial line first end
Face is connect with the first doublet unit 5, and the inner core of coaxial line second end passes through medium substrate and connect with the second doublet unit 6,
Specifically, the outer surface of coaxial line first end is connect by feed port with the first doublet unit 5, coaxial line second end it is interior
Core is connect by feed port with the second doublet unit 6 after passing through medium substrate.
In above-described embodiment, first radiation patch and the second radiation patch are all made of metal material and are made, metal material
Material can be any one of aluminium, iron, tin, copper, silver, gold and platinum, or can for aluminium, iron, tin, copper, silver, gold and platinum any one
Alloy.
As shown in Fig. 2, Fig. 5 and 8, as can be seen from Figure 2-10dB impedance of the antenna of the present embodiment in one frequency range of mode
Bandwidth is 2.15GHz~2.58GHz；As can be seen from Figure 5-10dB impedance band of the antenna of the present embodiment in two frequency range of mode
Width is 2.15GHz~2.58GHz；As can be seen from Figure 8-10dB impedance bandwidth of the antenna of the present embodiment in three frequency range of mode
For 2.25GHz~2.67GHz.
By the state of control switch, directional diagram reconstructable may be implemented.When antenna be in mode for the moment (see the table below 1),
Antenna Operation frequency range and directional diagram are as shown in Figure 3 and Figure 4, (see the table below 1) when antenna is in mode two, Antenna Operation frequency range and
Directional diagram is as shown in Figure 6 and Figure 7, (see the table below 1) when antenna is in mode three, Antenna Operation frequency range and directional diagram such as Fig. 9 and
Shown in Figure 10, Figure 11 be than curve graph varying with frequency before and after antenna, it is symmetrical in view of mode one and mode two, therefore only provide it
The curve graph of middle one mode, as can be seen from the figure before and after antenna than 10dB or more with super band for 2.15GHz~
2.5GHz, bandwidth 15%, highest front and back ratio can reach 25dB, and directionality is preferable, restructural broader bandwidth, the same type that compares day
Line, average gain 5.3dB.
The state of each mode of 1 directional diagram reconstructable aerial of table
Embodiment 2:
The present embodiment is mainly characterized by: the first microstrip line 301, the second microstrip line 302, the 4th microstrip line 401 and the 5th
The length of microstrip line 402 is 0.1 λ0, the length of third microstrip line 303 and the 6th microstrip line 403 is 0.15 λ0, the first dipole
The length of subelement 5 and the second doublet unit 6 is 0.16 λ0, the annular minor matters 8 of first annular minor matters 7, second, third annular
The length of minor matters 11 and fourth annular minor matters 12 is 6mm, the first L shape minor matters 9, the 2nd L shape minor matters 10, the 3rd L shape minor matters 13
Length with the 4th L shape minor matters 14 is 0.16 λ0.Remaining is the same as embodiment 1.
Embodiment 3:
The present embodiment is mainly characterized by: the first microstrip line 301, the second microstrip line 302, the 4th microstrip line 401 and the 5th
The length of microstrip line 402 is 0.11 λ0, the length of third microstrip line 303 and the 6th microstrip line 403 is 0.14 λ0, first is even
The length of pole subelement 5 and the second doublet unit 6 is 0.18 λ0, first annular minor matters 7, second annular minor matters 8, third ring
The length of shape minor matters 11 and fourth annular minor matters 12 is 10mm, the first L shape minor matters 9, the 2nd L shape minor matters 10, the 3rd L shape minor matters
13 and the 4th the length of L shape minor matters 14 be 0.18 λ0.Remaining is the same as embodiment 1.
In conclusion inventive antenna has, size is small, structure is simple, areflexia plate, directionality are preferable, restructural bandwidth
The advantages that wider, and it can be oriented the switching with omnidirectional in the face H simultaneously, the switching in direction is carried out in the face E, is suitable for various logical
Believe equipment, such as wireless telecom equipment (mobile phone, tablet computer), military-civil radar equipment, intellectual weapon guidance unit etc..
The above, only the invention patent preferred embodiment, but the scope of protection of the patent of the present invention is not limited to
This, anyone skilled in the art is in the range disclosed in the invention patent, according to the present invention the skill of patent
Art scheme and its inventive concept are subject to equivalent substitution or change, belong to the scope of protection of the patent of the present invention.
Claims (10)
1. directional diagram reconstructable aerial, it is characterised in that: including medium substrate, the first radiation patch, the second radiation patch and feedback
Electric probe；
First radiation patch is arranged in medium substrate upper surface, including two step electric impedance resonator patches and the first dipole
Subelement, two step electric impedance resonator patches are symmetrically distributed in the two sides of medium substrate upper surface, are loaded with switch；
Second radiation patch is arranged in medium substrate lower surface, including the second doublet unit, and the second doublet unit exists
The projection of medium substrate upper surface and the first doublet unit are symmetrical；
The both ends of the feed probes are connect with the first doublet unit, the second doublet unit respectively.
2. directional diagram reconstructable aerial according to claim 1, it is characterised in that: each step electric impedance resonator patch packet
Three sequentially connected microstrip lines are included, a switch is loaded between every two adjacent microstrip lines.
3. directional diagram reconstructable aerial according to claim 2, it is characterised in that: each step electric impedance resonator patch
In three microstrip lines, the size of both sides microstrip line is identical, and the length of both sides microstrip line is respectively less than the length of intermediate microstrip line, and two
The width of side microstrip line is all larger than the width of intermediate microstrip line.
4. directional diagram reconstructable aerial according to claim 3, it is characterised in that: each step electric impedance resonator patch
In three microstrip lines, the length of both sides microstrip line is 0.1 λ0~0.12 λ0, the length of intermediate microstrip line is 0.13 λ0~0.15
λ0, wherein λ0For the wavelength of free space corresponding to center of antenna frequency.
5. directional diagram reconstructable aerial according to claim 1-4, it is characterised in that: first radiation patch
Further include two annular minor matters and two L shape minor matters, two annular minor matters and two L shape minor matters respectively with the first doublet unit
Connection；
Second radiation patch further includes two annular minor matters and two L shape minor matters, two annular minor matters and two L shape minor matters
It is connect respectively with the second doublet unit.
6. directional diagram reconstructable aerial according to claim 5, it is characterised in that: two rings of first radiation patch
The length of two annular minor matters of shape minor matters and the second radiation patch is 6mm~10mm.
7. directional diagram reconstructable aerial according to claim 5, it is characterised in that: two L of first radiation patch
The length of two L shape minor matters of shape minor matters and the second radiation patch is 0.16 λ0~0.18 λ0, wherein λ0For center of antenna frequency
The wavelength of corresponding free space.
8. directional diagram reconstructable aerial according to claim 1-4, it is characterised in that: set on the medium substrate
There is via hole, the via hole can be such that feed probes pass through.
9. directional diagram reconstructable aerial according to claim 1-4, it is characterised in that: the feed probes use
Coaxial line, the outer surface of coaxial line first end are connect with the first doublet unit, and the inner core of coaxial line second end passes through medium base
Plate is connect with the second doublet unit.
10. communication equipment, it is characterised in that: including the described in any item directional diagram reconstructable aerials of claim 1-9.
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| CN201810811624.XA CN109066074B (en) | 2018-07-23 | 2018-07-23 | Directional diagram reconfigurable antenna and communication equipment |
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| CN112531330A (en) * | 2019-09-18 | 2021-03-19 | 青岛海信移动通信技术股份有限公司 | Mobile terminal and mobile terminal accessory equipment |
| WO2021227776A1 (en) * | 2020-05-12 | 2021-11-18 | 深圳市华信天线技术有限公司 | Patch antenna |
| WO2022012672A1 (en) * | 2020-07-16 | 2022-01-20 | 华为技术有限公司 | Self-adaptive intelligent antenna, and distributed rru and wireless communication system |
| CN115020965A (en) * | 2022-06-28 | 2022-09-06 | 联宝(合肥)电子科技有限公司 | Broadband antenna structure and electronic equipment |
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| CN106299701A (en) * | 2016-09-20 | 2017-01-04 | 华南理工大学 | A kind of light-operated broadband directional diagram reconstructable aerial |
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| CN112531330B (en) * | 2019-09-18 | 2022-11-25 | 青岛海信移动通信技术股份有限公司 | Mobile terminal and mobile terminal accessory equipment |
| WO2021227776A1 (en) * | 2020-05-12 | 2021-11-18 | 深圳市华信天线技术有限公司 | Patch antenna |
| WO2022012672A1 (en) * | 2020-07-16 | 2022-01-20 | 华为技术有限公司 | Self-adaptive intelligent antenna, and distributed rru and wireless communication system |
| CN115020965A (en) * | 2022-06-28 | 2022-09-06 | 联宝(合肥)电子科技有限公司 | Broadband antenna structure and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN109066074B (en) | 2023-11-17 |
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