CN106684512A - Duplexing antenna based on metal integrated structure - Google Patents
Duplexing antenna based on metal integrated structure Download PDFInfo
- Publication number
- CN106684512A CN106684512A CN201710036781.3A CN201710036781A CN106684512A CN 106684512 A CN106684512 A CN 106684512A CN 201710036781 A CN201710036781 A CN 201710036781A CN 106684512 A CN106684512 A CN 106684512A
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- metal
- metallic plate
- cavity body
- antenna
- cavity
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 172
- 239000002184 metal Substances 0.000 title claims abstract description 172
- 239000004020 conductor Substances 0.000 claims abstract description 69
- 239000000523 sample Substances 0.000 claims abstract description 48
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-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
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
-
- 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
Abstract
The invention discloses a duplexing antenna based on metal integrated structure, comprising a first metal resonant cavity, a second metal resonant cavity, a first conductor component, a second conductor component, a metal antenna cavity, a first probe and a second probe; the top of the metal antenna cavity is opened with the rest closed; a first metal plate with slotted lines is embedded in the first metal resonant cavity, and a second metal plate with slotted lines is embedded in the second metal resonant cavity; one end of the first probe is passed through the center of a first round through hole and is connected to the right end of the first metal plate, the other end of the first probe is suspended and positioned in the metal antenna cavity; one end of the second probe is passed through the center of a second round through hole and is connected to the left end of the second metal plate, and the other end of the second probe is suspended and positioned in the metal antenna cavity. The can provide duplex filtering and good antenna irradiation, has the advantages of small size, simple design, high processibility, good performance and the like, and can well meet the requirements of modern communication systems.
Description
Technical field
The present invention relates to a kind of duplexed antenna, especially a kind of duplexed antenna based on metal-integral structure, belongs to nothing
The line communications field.
Background technology
Duplexed antenna is transmitting terminal and the requisite device of receiving terminal in Modern Communication System, it except play reception,
Outside sending signal, also centrifugation is played to signal, allow useful signal is as zero-decrement as possible to be passed through, it is most to useless signal
May big decay suppress it to pass through, it is possible to achieve the filtering of simple two-way signal, send and receive.With sending out for wireless communication technology
Exhibition, the frequency band between signal is more and more narrow, and this just puts forward higher requirement to the specification and reliability of antenna.Duplexed antenna has
High frequency selectivity, filter with low insertion loss, power capacity are big, steady performance and there is very high using value.Many scholars
Produce frequency band isolation, band selective, radiance to duplexed antenna to be studied, by adjust duplexing, antenna performance and
Duplex realizes good duplexed antenna performance with the collocation of antenna.
According to investigations with understanding, disclosed prior art is as follows:
2016, Chu-Xu Mao proposed a kind of micro-strip duplexed antenna structure.Structure is by integrated duplexer and double frequency
Patch antennas, realize a good duplexed antenna performance, and it constitutes 2 path filters using split ring, and each passband is
3 mode filters, then realize the integration of two path filters using loading minor matters, realize a duplex feed, Ran Houtong
Cross and output the coupling that feed circuit and dual-band antenna are realized in gap using on floor.
The content of the invention
The invention aims to solve the defect of above-mentioned prior art, there is provided a kind of one kind is based on metal one
Change the duplexed antenna of structure, the duplexed antenna can realize duplex filtering and good antenna radiation performance, using the reason of multimode
By, aerial radiation band is roomy, and frequency selectivity is good, while it has the advantages that small volume, design be simple, easy processing, performance are good,
Can be good at meeting the requirement of modern communication systems.
The purpose of the present invention can be reached by adopting the following technical scheme that:
A kind of duplexed antenna based on metal-integral structure, including the first Metal cavity body, the second Metal cavity
Body, the first conductor assembly, the second conductor assembly, metal antenna cavity, the first probe and the second probe, the metal antenna cavity
Open top, remainder closing;
The first Metal cavity body and the second Metal cavity body are respectively positioned at left and right the two of metal antenna cavity
Side;Embedding first metallic plate in the first Metal cavity body, embedding second metallic plate, described in the second Metal cavity body
The line of rabbet joint is provided with first metallic plate and the second metallic plate;
First conductor assembly is fixed in the left wall of the first Metal cavity body, and is connected with the left end of the first metallic plate
Connect;Second conductor assembly is fixed in the right wall of the second Metal cavity body, and is connected with the right-hand member of the second metallic plate;
The first manhole, institute are provided between the right wall of the first Metal cavity body and the left wall of metal antenna cavity
State and be provided with the second manhole between the left wall of the second Metal cavity body and the right wall of metal antenna cavity;First probe
One end through be connected with the right-hand member of the first metallic plate behind the first manhole center, the other end vacantly, and positioned at metal antenna
In cavity;One end of second probe is connected through the second manhole center with the left end of the second metallic plate, and the other end hangs
Sky, and in metal antenna cavity.
Used as a kind of preferred version, the line of rabbet joint on the line of rabbet joint and the second metallic plate on first metallic plate is rectangular channel
Line.
Used as a kind of preferred version, the line of rabbet joint on the line of rabbet joint and the second metallic plate on first metallic plate has two,
Two line of rabbet joint on first metallic plate are symmetrical, and two line of rabbet joint on the second metallic plate are symmetrical.
Used as a kind of preferred version, first conductor assembly is by the first coaxial outer conductor and the first coaxial inner conductor group
Into first coaxial outer conductor is fixed in the left wall of the first Metal cavity body, one end of first coaxial inner conductor
It is connected with the first coaxial outer conductor, the other end connects through after the left wall of the first Metal cavity body with the left end of the first metallic plate
Connect;
Second conductor assembly is made up of the second coaxial outer conductor and the second coaxial inner conductor, and described second coaxially leads outward
Body is fixed in the right wall of the second Metal cavity body, and one end and first coaxial outer conductor of second coaxial inner conductor connect
Connect, the other end is connected through after the right wall of the second Metal cavity body with the right-hand member of the second metallic plate.
Used as a kind of preferred version, first coaxial outer conductor adopts the first sub-miniature A connector, first coaxial inner conductor
Using the first coupling bar, the end of first sub-miniature A connector is welded with one end of the first coupling bar;
Second coaxial outer conductor adopts the second sub-miniature A connector, second coaxial inner conductor to adopt the second coupling bar, institute
Weld one end of the end and the second coupling bar of stating the second sub-miniature A connector.
As a kind of preferred version, four through holes are respectively equipped with first sub-miniature A connector and the second sub-miniature A connector, it is described
Four screwed holes are had in the right wall of the left wall of the first Metal cavity body and the second Metal cavity body, the first metal is humorous
Four screwed holes shaken in cavity left wall are corresponding with four through holes of the first sub-miniature A connector, in the second Metal cavity body right wall
Four screwed holes it is corresponding with four through holes of the second sub-miniature A connector, passed through by screw and coordinate the with screwed hole after through hole
One sub-miniature A connector is fixed in the left wall of the first Metal cavity body, and the second sub-miniature A connector is fixed on into the second Metal cavity
In the right wall of body.
Used as a kind of preferred version, it is humorous that the first Metal cavity body and the second Metal cavity body are rectangular metal
Shake cavity.
Used as a kind of preferred version, the metal antenna cavity is rectangular metal antenna chamber, the rectangular metal antenna
The open top of cavity, bottom, left part, right part, front and rear closing.
As the wavelength of the length with mid frequency under corresponding of a kind of preferred version, first probe and the second probe
Proportional relation.
The present invention has following beneficial effect relative to prior art:
1st, duplexed antenna of the invention has two Metal cavity bodies and metal antenna cavity, two Metal cavity bodies
Respectively positioned at the arranged on left and right sides of metal antenna cavity, and two Metal cavity bodies embed one piece of metallic plate, in embedded gold
The line of rabbet joint is outputed on category plate, it is possible to achieve and the duplexing filtering performance of control, and a Metal cavity body and metal antenna wherein
Outputing between cavity can accommodate the manhole of a wherein probe, and in another Metal cavity body and metal antenna
Also the manhole that can accommodate another probe is outputed between cavity, the one end for making two probes passes through from manhole center
It is connected with metallic plate afterwards, to receive the energy that metallic plate is filtered through the line of rabbet joint, the other end is vacantly arranged in metal antenna cavity,
The energy for receiving is radiate from the open top of metal antenna cavity, whole duplexed antenna has small volume, design letter
The advantages of list, easy processing, performance are good, can be good at meeting the requirement of modern communication systems.
2nd, duplexed antenna of the invention is in the frequency range of 2.9~3.8GHz, S11Value all below -10dB, and have
Four obvious resonance points, in the frequency range of 4.35~5.15GHz, S22Value all below -10dB, and have two substantially
Write resonance point, it is seen that be multimode duplexed antenna, can be good at meeting the requirement of modern communication systems, meet small volume, height
Rectangular degree, high q-factor, the features such as design and process simple, by the duplexed antenna for being then based on metal-integral structure, total
Firmly.
Description of the drawings
Fig. 1 is the duplexed antenna structural representation of the embodiment of the present invention 1.
Fig. 2 is the duplexed antenna front view of the embodiment of the present invention 1.
Fig. 3 is the duplexed antenna left view of the embodiment of the present invention 1.
Fig. 4 is the duplexed antenna top view of the embodiment of the present invention 1.
Fig. 5 is the Electromagnetic Simulation curve chart of the duplexed antenna frequency response of the embodiment of the present invention 1.
Fig. 6 is the machining sketch chart of the duplexed antenna of the embodiment of the present invention 1.
Wherein, the first Metal cavities of 1- body, 2- the second Metal cavity bodies, 3- metal antenna cavitys, the probes of 4- first,
The probes of 5- second, the metallic plates of 6- first, the metallic plates of 7- second, the 8- rectangle line of rabbet joint, the coaxial outer conductors of 9- first, 10- first is coaxial
Inner wire, the coaxial outer conductors of 11- second, the coaxial inner conductors of 12- second, the manholes of 13- first, the manholes of 14- second,
15- lower metal structures, 16- upper metal structures, 17- first through hole the latter half, the second through holes of 18- the latter half, 19-
One lower chamber, the lower chambers of 20- second, the lower chambers of 21- the 3rd, the grooves of 22- first, the screwed holes of 23- the 3rd, the grooves of 24- second,
The screwed holes of 25- the 4th, the screwed holes of 26- the 5th, 27- third through-holes the latter half, the screwed holes of 28- the 6th, 29- fourth hole lower half
Part, the upper cavities of 30- the 3rd, the screwed holes of 31- the 9th, the screwed holes of 32- the tenth, the screwed holes of 33- the 11st, the screw threads of 34- the 12nd
Hole, the screwed holes of 35- the 13rd, the breach of 36- first, the breach of 37- second, the screwed holes of 38- the 14th, the breach of 39- the 3rd, 40-
Four breach.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment 1:
As shown in Figure 1 to 4, the duplexed antenna of the present embodiment, including the first Metal cavity body 1, the second metal resonance
Cavity 2, the first conductor assembly, the second conductor assembly, metal antenna cavity 3, the first probe 4 and the second probe 5.
The first Metal cavity body 1 and the second Metal cavity body 2 are rectangular metal resonant cavity, are located at respectively
The arranged on left and right sides of metal antenna cavity 3, embedded first metallic plate 6 of the first Metal cavity body 1, in the second Metal cavity body 2
Two rectangle line of rabbet joint 8, two on the first metallic plate 6 are provided with embedding second metallic plate 7, the first metallic plate 6 and the second metallic plate 7
The individual rectangle line of rabbet joint 8 is symmetrical, and two rectangle line of rabbet joint 8 on the second metallic plate 7 are symmetrical, by the first metallic plate 6 and
Two rectangle line of rabbet joint 8 on two metallic plates 7, realize the duplex filtering of high selectivity.
It is (i.e. left away from one end of the second Metal cavity body 2 that first conductor assembly is located at the first Metal cavity body 1
End), first conductor assembly is made up of the first coaxial outer conductor 9 and the first coaxial inner conductor 10, and described first coaxially leads outward
Body 9 is fixed in the left wall of the first Metal cavity body 1, one end and first coaxial outer conductor of first coaxial inner conductor 10
9 connections, the other end is connected through after the left wall of the first Metal cavity body 1 with the left end of the first metallic plate 6, and energy passes through first
Coaxial outer conductor 9 is input into, and is transferred to the first metallic plate 6 by the first coaxial inner conductor 10;
It is (i.e. right away from one end of the first Metal cavity body 1 that second conductor assembly is located at the second Metal cavity body 2
End), second conductor assembly is made up of the second coaxial outer conductor 11 and the second coaxial inner conductor 12, and described second coaxially leads outward
Body 11 is fixed in the right wall of the second Metal cavity body 2, and one end of second coaxial inner conductor 12 is coaxial with second to lead outward
Body 11 connects, and the other end is connected through after the right wall of the second Metal cavity body 2 with the right-hand member of the second metallic plate 7, and energy passes through
Second coaxial outer conductor 11 is input into, and is transferred to the second metallic plate 7 by the second coaxial inner conductor 12.
In the present embodiment, first coaxial outer conductor 9 adopts the first sub-miniature A connector, first coaxial inner conductor 10 to adopt
Use the first coupling bar, the end of first sub-miniature A connector is welded with one end of the first coupling bar, first sub-miniature A connector and the
Four through hole (not shown)s, the left wall and the second metal of the first Metal cavity body 1 are respectively equipped with two sub-miniature A connectors
Four screwed hole (not shown)s, four in the left wall of the first Metal cavity body 1 are had in the right wall of resonant cavity 2
Screwed hole is corresponding with four through holes of the first sub-miniature A connector, four screwed holes and second in the right wall of the second Metal cavity body 2
Four through holes of sub-miniature A connector are corresponding, passed through by screw and the first sub-miniature A connector is fixed on into first with screwed hole cooperation after through hole
In the left wall of Metal cavity body 1, and the second sub-miniature A connector is fixed in the right wall of the second Metal cavity body 2.
The metal antenna cavity 3 be rectangular metal antenna chamber, the open top of the rectangular metal antenna chamber, bottom
Portion, left part, right part, front and rear closing, the right wall of the first Metal cavity body 1 and the left wall of metal antenna cavity 3
Between be provided with the first manhole 13, open between the left wall of the second Metal cavity body 2 and the right wall of metal antenna cavity 3
There is the second manhole 14;The right side of the one end of first probe 4 through after the center of the first manhole 13 with the first metallic plate 6
End connection, to receive the energy that the first metallic plate 6 is filtered through the rectangle line of rabbet joint 8, the other end is hanging, and positioned at metal antenna cavity
In 3, the energy for receiving is radiate from the open top of metal antenna cavity 3;One end of second probe 5 is through the
The center of two manhole 14 is connected with the left end of the second metallic plate 7, to receive what the second metallic plate 7 was filtered through the rectangle line of rabbet joint 8
Energy, the other end is hanging, and in metal antenna cavity 3, by the energy for receiving from the open top of metal antenna cavity 3
It radiate;Wherein, the part and metal antenna cavity 3 of the first probe 4, the second probe 5 in metal antenna cavity 3 constitutes
Antenna structure, part of first probe 4 in the first manhole 13 with the first manhole 13 together as the first coaxial line,
For connecting the first Metal cavity body 1 and metal antenna cavity 3, part of second probe 5 in the second manhole 14 with
Second manhole 14 together as the second coaxial line, for connecting the second Metal cavity body 2 and metal antenna cavity 3, i.e.,
First Metal cavity body 1 is connected by the first coaxial line in the one end near the second Metal cavity body 2 with metal antenna cavity 3
Connect, similarly, the second Metal cavity body 2 is passing through the second coaxial line and metal near one end of the first Metal cavity body 1
Antenna chamber 3 connects;Wavelength proportional relation of the length of the first probe 4 and the second probe 5 with mid frequency under corresponding.
The Electromagnetic Simulation curve of the duplexed antenna frequency response of the present embodiment is as shown in figure 5, S in figure11Refer to first port
The return loss of (the first sub-miniature A connector of correspondence and the first coupling bar), S22Refer to second port (correspondence the second sub-miniature A connector and second
Coupling bar) return loss, S21Refer to first port to the positive transmission coefficient of second port, it can be seen that 2.9~
In the frequency range of 3.8GHz, S11Value all below -10dB, and have four obvious resonance points, 4.35~5.15GHz's
In frequency range, S22Value all below -10dB, and have two significantly to write resonance point, it is seen that to be multimode duplexed antenna, very well
The requirement for meeting modern communication systems.
As shown in fig. 6, the duplexed antenna course of processing of the present embodiment is as follows:
1) a rectangular metal block is cut, is divided into lower metal structures 15 and upper metal structures 16, whole duplex day
Line is by lower metal structures 15, upper metal structures 16, the first metallic plate 6, the second metallic plate 7, (first is same for the first sub-miniature A connector
Axle outer conductor 9), the first coupling bar (the first coaxial inner conductor 10), the second sub-miniature A connector (the second coaxial outer conductor 11), the second coupling
Close bar (the second coaxial inner conductor 12), the first probe 4 and the second probe 5 to constitute;
2) in lower metal structures 15, two the first screw threads for fixing the first sub-miniature A connector are outputed near left wall
Hole and the first through hole the latter half 17 for accommodating the first coupling bar, output for fixing the second sub-miniature A connector near right wall
Two the second screwed holes and for accommodate the second coupling bar the second through hole the latter half 18, and output the first lower chamber 19,
Second lower chamber 20 and the 3rd lower chamber 21, output for fixing the first metallic plate 6 on the front and rear wall of the first lower chamber 19
First groove 22, and the 3rd screwed hole 23 for fixing screws is outputed on the first groove 22, before the second lower chamber 20
Output on rear wall for fixing the second groove 24 of the second metallic plate 7, and output for fixing screws on the second groove 24
4th screwed hole 25, outputs the He of the 5th screwed hole 26 for fixing screws between the first lower chamber 19 and the 3rd lower chamber 21
For accommodating the third through-hole the latter half 27 of the first probe 4, between the second lower chamber 20 and the 3rd lower chamber 21 use is outputed
Fourth hole the latter half 29 in the 6th screwed hole 28 of fixing screws and for accommodating the second probe 5;
3) in upper metal structures 16, output near left wall fix the first sub-miniature A connector two the 7th screwed holes and
For accommodating the first through hole top half of the first coupling bar, fix the second sub-miniature A connector two the 8th are outputed near right wall
Screwed hole and for accommodating the second through hole top half of the second coupling bar, and output the first upper cavity, the second upper cavity and the
Three upper cavities 30, the first upper cavity and the second upper cavity are not opened, and the 3rd upper cavity 30 is opened;Before and after the first upper cavity
The 9th screwed hole 31 for fixing screws is outputed on wall, the position of the 9th screwed hole 31 is relative with the position of the 3rd screwed hole 23
Should, output the tenth screwed hole 32 for fixing screws on the front and rear wall of the second upper cavity, the position of the tenth screwed hole 32 with
The position of the 4th screwed hole 25 is corresponding, outputs for the tenth of fixing screws the between the first upper cavity and the 3rd upper cavity 30
One screwed hole 33 and the third through-hole top half for accommodating the first probe 4, the second upper cavity and the 3rd upper cavity 30 it
Between output for fixing screws the 12nd screwed hole 34 and for accommodate the second probe 5 fourth hole top half;
4) on the first metallic plate 6, two rectangle line of rabbet joint 8 and the 13rd screwed hole 35 for fixing screws are outputed,
The position of the 13rd screwed hole 35 is corresponding with the position of the 3rd screwed hole 23, the 9th screwed hole 31, and left in the first metallic plate 6
The first breach 36 for fixing the first coupling bar is outputed at end, is outputed for fixing the first probe 4 in the right-hand member of the first metallic plate 6
Second breach 37;On the second metallic plate 7, two rectangle line of rabbet joint 8 and the 14th screwed hole 38 for fixing screws are outputed,
The position of the 14th screwed hole 38 is corresponding with the position of the 4th screwed hole 25, the tenth screwed hole 32, and left in the second metallic plate 7
The 3rd breach 39 for fixing the second probe 5 is outputed at end, is outputed for fixing the second coupling bar in the right-hand member of the second metallic plate 7
4th breach 40;
5) the first metallic plate 6 is placed on the first groove 22 of lower metal structures 15, and the second metallic plate 7 is placed on down
On second groove 24 of portion's metal structure 15, the first coupling bar is welded on the first breach 36 of the first metallic plate 6, by second
Coupling bar is welded on the 4th breach 40 of the second metallic plate 7, and the first probe 4 is welded to into the second of the first metallic plate 6
On breach 37, the second probe 5 is welded on the 3rd breach 39 of the second metallic plate 7, covers upper metal structures 16, now
One lower chamber 19 and the first upper cavity constitute the first Metal cavity body 1, the second lower chamber 20 and the second upper cavity composition second
Metal cavity body 2, the 3rd lower chamber 21 and the composition squaerial of the 3rd upper cavity 30 cavity 3, first through hole the latter half 17
With the through-hole structure that first through hole top half composition can accommodate the first coupling bar, the second through hole the latter half 18 and the second through hole
Top half composition can accommodate the through-hole structure of the second coupling bar, and third through-hole the latter half 27 and the third through-hole first half are grouped
Into the first manhole 13 that can accommodate the first probe 4, fourth hole the latter half 29 and fourth hole top half composition can
The second manhole 14 of the second probe 5 is accommodated, the first sub-miniature A connector is locked on the first Metal cavity body 1 by screw
And the second sub-miniature A connector is locked on the second Metal cavity body 2, and by screw by upper metal structures 16, the first gold medal
Category plate 6, the second metallic plate 7 and lower metal structures 15 are fixed up, and whole duplexed antenna assembling is finished, and is finally tested.
In above-described embodiment, first Metal cavity 1, the second Metal cavity 2, metal antenna cavity 3, the first gold medal
The metal material that category plate 6, the second metallic plate 7, the first conductor assembly and the second conductor assembly are adopted can for aluminum, ferrum, stannum, copper,
Any one of silver, gold and platinum, or can be aluminum, ferrum, stannum, copper, silver, the gold and platinum alloy of any one.
In sum, duplexed antenna of the invention has two Metal cavity bodies and metal antenna cavity, two metals
Resonant cavity is respectively positioned at the arranged on left and right sides of metal antenna cavity, and two Metal cavity bodies embed one piece of metallic plate,
Output the line of rabbet joint on embedded metallic plate, it is possible to achieve and the duplexing filtering performance of control, and wherein a Metal cavity body and
Outputing between metal antenna cavity can accommodate the manhole of a wherein probe, and in another Metal cavity body and
Also the manhole that can accommodate another probe is outputed between metal antenna cavity, one end of two probes is made from manhole
Center is connected through rear with metallic plate, and to receive the energy that metallic plate is filtered through the line of rabbet joint, the other end is in metal antenna cavity
It is hanging to arrange, the energy for receiving is radiate from the open top of metal antenna cavity, whole duplexed antenna has volume
The advantages of little, design is simply, easy processing, performance are good, can be good at meeting the requirement of modern communication systems.
The above, patent preferred embodiment only of the present invention, but the protection domain of patent of the present invention is not limited to
This, any those familiar with the art in the scope disclosed in patent of the present invention, according to the skill of patent of the present invention
Art scheme and its inventive concept equivalent or change in addition, belong to the protection domain of patent of the present invention.
Claims (9)
1. a kind of duplexed antenna based on metal-integral structure, it is characterised in that:Including the first Metal cavity body, the second gold medal
Category resonant cavity, the first conductor assembly, the second conductor assembly, metal antenna cavity, the first probe and the second probe, the metal
The open top of antenna chamber, remainder closing;
The first Metal cavity body and the second Metal cavity body are respectively positioned at the arranged on left and right sides of metal antenna cavity;Institute
Embedding first metallic plate in the first Metal cavity body is stated, embedding second metallic plate in the second Metal cavity body, described first
The line of rabbet joint is provided with metallic plate and the second metallic plate;
First conductor assembly is fixed in the left wall of the first Metal cavity body, and is connected with the left end of the first metallic plate;
Second conductor assembly is fixed in the right wall of the second Metal cavity body, and is connected with the right-hand member of the second metallic plate;
It is provided with the first manhole between the right wall of the first Metal cavity body and the left wall of metal antenna cavity, described
The second manhole is provided between the left wall of two Metal cavity bodies and the right wall of metal antenna cavity;The one of first probe
End is connected through after the first manhole center with the right-hand member of the first metallic plate, and the other end is hanging, and positioned at metal antenna cavity
It is interior;One end of second probe is connected through the second manhole center with the left end of the second metallic plate, and the other end is hanging, and
In metal antenna cavity.
2. a kind of duplexed antenna based on metal-integral structure according to claim 1, it is characterised in that:Described first
The line of rabbet joint on the line of rabbet joint and the second metallic plate on metallic plate is the rectangle line of rabbet joint.
3. a kind of duplexed antenna based on metal-integral structure according to claim 2, it is characterised in that:Described first
The line of rabbet joint on the line of rabbet joint and the second metallic plate on metallic plate has two, and two on the first metallic plate line of rabbet joint is symmetrical, the
Two line of rabbet joint on two metallic plates are symmetrical.
4. a kind of duplexed antenna based on metal-integral structure according to claim 1, it is characterised in that:
First conductor assembly is made up of the first coaxial outer conductor and the first coaxial inner conductor, and first coaxial outer conductor is consolidated
It is scheduled in the left wall of the first Metal cavity body, one end of first coaxial inner conductor is connected with the first coaxial outer conductor, separately
One end is connected through after the left wall of the first Metal cavity body with the left end of the first metallic plate;
Second conductor assembly is made up of the second coaxial outer conductor and the second coaxial inner conductor, and second coaxial outer conductor is consolidated
It is scheduled in the right wall of the second Metal cavity body, one end of second coaxial inner conductor is connected with the first coaxial outer conductor, separately
One end is connected through after the right wall of the second Metal cavity body with the right-hand member of the second metallic plate.
5. a kind of duplexed antenna based on metal-integral structure according to claim 4, it is characterised in that:
First coaxial outer conductor adopts the first sub-miniature A connector, and first coaxial inner conductor adopts the first coupling bar, and described the
Weld with one end of the first coupling bar the end of one sub-miniature A connector;
Second coaxial outer conductor adopts the second sub-miniature A connector, and second coaxial inner conductor adopts the second coupling bar, and described the
Weld with one end of the second coupling bar the end of two sub-miniature A connectors.
6. a kind of duplexed antenna based on metal-integral structure according to claim 5, it is characterised in that:Described first
Four through holes are respectively equipped with sub-miniature A connector and the second sub-miniature A connector, the left wall and the second metal of the first Metal cavity body is humorous
Shake cavity right wall on have four screwed holes, four screwed holes and a SMA in the first Metal cavity body left wall
Four through holes of joint are corresponding, and four of four screwed holes and the second sub-miniature A connector in the second Metal cavity body right wall are led to
Hole is corresponding, is passed through by screw and the first sub-miniature A connector is fixed on into the first Metal cavity body with screwed hole cooperation after through hole
In left wall, and the second sub-miniature A connector is fixed in the right wall of the second Metal cavity body.
7. a kind of duplexed antenna based on metal-integral structure according to any one of claim 1-6, it is characterised in that:
The first Metal cavity body and the second Metal cavity body are rectangular metal resonant cavity.
8. a kind of duplexed antenna based on metal-integral structure according to any one of claim 1-6, it is characterised in that:
The metal antenna cavity be rectangular metal antenna chamber, the open top of the rectangular metal antenna chamber, bottom, left part,
Right part, front and rear closing.
9. a kind of duplexed antenna based on metal-integral structure according to any one of claim 1-6, it is characterised in that:
Wavelength proportional relation of the length of first probe and the second probe with mid frequency under corresponding.
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CN113224511A (en) * | 2021-04-23 | 2021-08-06 | 华南理工大学 | Waveguide filter antenna array based on mixed resonant mode resonant cavity |
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