CN106684512B - A kind of duplexed antenna based on metal-integral structure - Google Patents
A kind of duplexed antenna based on metal-integral structure Download PDFInfo
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- CN106684512B CN106684512B CN201710036781.3A CN201710036781A CN106684512B CN 106684512 B CN106684512 B CN 106684512B CN 201710036781 A CN201710036781 A CN 201710036781A CN 106684512 B CN106684512 B CN 106684512B
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 241
- 239000002184 metal Substances 0.000 claims abstract description 241
- 239000004020 conductor Substances 0.000 claims abstract description 70
- 239000000523 sample Substances 0.000 claims abstract description 46
- 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
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 2
- 238000004891 communication Methods 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method 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
- 230000008859 change Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 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
- 229910052742 iron Inorganic materials 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
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 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
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of duplexed antennas 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 top opening of metal antenna cavity, rest part closing；Embedding the first metal plate for being provided with the line of rabbet joint in first Metal cavity body, embedding the second metal plate for being provided with the line of rabbet joint in the second Metal cavity body；One end of first probe is connect after passing through the first circular through hole center with the right end of the first metal plate, and the other end is hanging, and is located in metal antenna cavity；One end of second probe passes through the second circular through hole center and connect with the left end of the second metal plate, and the other end is hanging, and is located in metal antenna cavity.Duplex filtering and good antenna radiation performance may be implemented in the present invention, has many advantages, such as that small in size, design is simple, easy processing, performance are good, can be good at the requirement for meeting 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 technique
Duplexed antenna is the essential device of transmitting terminal and receiving end in Modern Communication System, it in addition to play receive,
It sends except signal, centrifugation also is played to signal, allows useful signal is as zero-decrement as possible to pass through, it is most to useless signal
Possible big decaying inhibits it to pass through, and the filtering of simple two-way signal may be implemented, send and receive.With the hair of wireless communication technique
It opens up, the frequency band between signal is more and more narrow, and just to the specification of antenna and reliability, more stringent requirements are proposed for this.Duplexed antenna has
High frequency selectivity, filter with low insertion loss, power capacity be big, steady performance and there is very high application value.Many scholars
Frequency band isolation is generated to duplexed antenna, band selective, radiance are 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 passes through integrated duplexer and double frequency
Patch antenna realizes a good duplexed antenna performance, it forms 2 path filters using split ring, and each passband is
Then 3 mode filters realize the integration of two path filters using load minor matters, realize a duplex feed, then lead to
It crosses and outputs the coupling that feed circuit and dual-band antenna are realized in gap using on floor.
Summary of the invention
The purpose of the present invention is to solve the defects of the above-mentioned prior art, provide a kind of one kind and are based on metal one
Change the duplexed antenna of structure, which may be implemented duplex filtering and good antenna radiation performance, utilize the reason of multimode
By, aerial radiation band is roomy, and frequency selectivity is good, while it has many advantages, such as that small in size, design is simple, easy processing, performance are good,
It can be good at the requirement for meeting 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
Top opening, rest part closing；
The first Metal cavity body and the second Metal cavity body are located at left and right the two of metal antenna cavity
Side；Embedding first metal plate in the first Metal cavity body, embedding second metal plate in the second Metal cavity body are described
The line of rabbet joint is provided on first metal plate and the second metal 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 metal plate
It connects；Second conductor assembly is fixed in the right wall of the second Metal cavity body, and connect with the right end of the second metal plate；
The first circular through hole, institute are provided between the right wall of the first Metal cavity body and the left wall of metal antenna cavity
It states and is provided with the second circular through hole between the left wall of the second Metal cavity body and the right wall of metal antenna cavity；First probe
One end pass through the first circular through hole center after connect with the right end of the first metal plate, the other end is hanging, and positioned at metal antenna
In cavity；One end of second probe passes through the second circular through hole center and connect with the left end of the second metal plate, and the other end is outstanding
Sky, and be located in metal antenna cavity.
As a preferred embodiment, the line of rabbet joint on the line of rabbet joint and the second metal plate on first metal plate is rectangular channel
Line.
As a preferred embodiment, there are two the line of rabbet joint on the line of rabbet joint and the second metal plate on first metal plate is equal,
Symmetrically, two line of rabbet joint on the second metal plate are symmetrically for two line of rabbet joint on first metal plate.
As a preferred embodiment, first conductor assembly is by the first coaxial outer conductor and the first coaxial inner conductor group
At 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 connect with the first coaxial outer conductor, the other end connects after the left wall of the first Metal cavity body with the left end of the first metal plate
It connects；
Second conductor assembly is made of the second coaxial outer conductor and the second coaxial inner conductor, and described second coaxially leads outside
Body is fixed in the right wall of the second Metal cavity body, and one end of second coaxial inner conductor and the first coaxial outer conductor connect
It connects, the other end is connect after the right wall of the second Metal cavity body with the right end of the second metal plate.
As a preferred embodiment, first coaxial outer conductor uses the first sub-miniature A connector, first coaxial inner conductor
Using the first coupling bar, the end of first sub-miniature A connector and one end of the first coupling bar are welded；
Second coaxial outer conductor uses the second sub-miniature A connector, and second coaxial inner conductor uses the second coupling bar, institute
It welds one end of the end and the second coupling bar of stating the second sub-miniature A connector.
As a preferred embodiment, four through-holes are respectively equipped on first sub-miniature A connector and the second sub-miniature A connector, it is described
Four threaded holes are had in the left wall of first Metal cavity body and the right wall of the second Metal cavity body, the first metal is humorous
Four threaded holes in cavity left wall of shaking are corresponding with four through-holes of the first sub-miniature A connector, in the second Metal cavity body right wall
Four threaded holes it is corresponding with four through-holes of the second sub-miniature A connector, passed through after through-hole with threaded hole cooperation by screw by the
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 the second Metal cavity
In the right wall of body.
As a preferred embodiment, the first Metal cavity body and the second Metal cavity body are that rectangular metal is humorous
Shake cavity.
As a preferred embodiment, the metal antenna cavity is rectangular metal antenna chamber, the rectangular metal antenna
The top opening of cavity, bottom, left part, right part, front and rear closing.
As a preferred embodiment, wavelength of the length of first probe and the second probe with centre frequency under corresponding
Proportional relationship.
The present invention have compared with the existing technology it is following the utility model has the advantages that
1, there are two Metal cavity body and metal antenna cavity, two Metal cavity bodies for duplexed antenna of the invention tool
It is located at the arranged on left and right sides of metal antenna cavity, and two Metal cavity bodies embed one piece of metal plate, in embedded gold
Belong to and output the line of rabbet joint on plate, may be implemented and control duplexing filtering performance, and a Metal cavity body and metal antenna wherein
The circular through hole that can accommodate a wherein probe is outputed between cavity, and in another Metal cavity body and metal antenna
Also the circular through hole that can accommodate another probe is outputed between cavity, passes through one end of two probes from circular through hole center
It is connect afterwards with metal plate, to receive the energy that metal plate passes through line of rabbet joint filtering, the other end is vacantly arranged in metal antenna cavity,
The energy received is radiate from the top opening of metal antenna cavity, entire duplexed antenna has small in size, design letter
The advantages that list, easy processing, performance are good can be good at the requirement for meeting modern communication systems.
2, duplexed antenna of the invention is in the frequency range of 2.9~3.8GHz, S11Value all in -10dB hereinafter, and having
Four apparent resonance points, in the frequency range of 4.35~5.15GHz, S22Value all in -10dB hereinafter, simultaneously there are two obvious
Resonance point, it is seen that be multimode duplexed antenna, can be good at the requirement for meeting modern communication systems, meet small in size, high square
Shape degree, high q-factor, design and the features such as the processing is simple, by being then based on the duplexed antenna of metal-integral structure, total jail
Gu.
Detailed description of the invention
Fig. 1 is the duplexed antenna structural schematic diagram 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 graph 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 cavity of 1- body, 2- the second Metal cavity body, 3- metal antenna cavity, the first probe of 4-,
The second probe of 5-, the first metal plate of 6-, the second metal plate of 7-, the 8- rectangle line of rabbet joint, the first coaxial outer conductor of 9-, 10- first are coaxial
Inner conductor, the second coaxial outer conductor of 11-, the second coaxial inner conductor of 12-, the first circular through hole of 13-, the second circular through hole of 14-,
15- lower metal structures, 16- upper metal structures, 17- first through hole lower half portion, the second through-hole of 18- lower half portion, 19-
One lower chamber, the second lower chamber of 20-, 21- third lower chamber, the first groove of 22-, 23- third threaded hole, the second groove of 24-,
The 4th threaded hole of 25-, the 5th threaded hole of 26-, 27- third through-hole lower half portion, the 6th threaded hole of 28-, 29- fourth hole lower half
Part, 30- third upper cavity, the 9th threaded hole of 31-, the tenth threaded hole of 32-, the 11st threaded hole of 33-, the 12nd screw thread of 34-
Hole, the 13rd threaded hole of 35-, the first notch of 36-, the second notch of 37-, the 14th threaded hole of 38-, 39- third notch, 40-
Four notches.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
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
The arranged on left and right sides of metal antenna cavity 3, the first Metal cavity body 1 embed the first metal plate 6, in the second Metal cavity body 2
It is opened on embedding second metal plate 7, the first metal plate 6 and the second metal plate 7 there are two the rectangle line of rabbet joint 8, two on the first metal plate 6
8 bilateral symmetry of a rectangle line of rabbet joint, two rectangle line of rabbet joint, 8 bilateral symmetry on the second metal plate 7 pass through the first metal plate 6 and the
Two rectangle line of rabbet joint 8 on two metal plates 7 realize highly selective duplex filtering.
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 of the first coaxial outer conductor 9 and the first coaxial inner conductor 10, and described first coaxially leads outside
Body 9 is fixed in the left wall of the first Metal cavity body 1, one end of first coaxial inner conductor 10 and the first coaxial outer conductor
9 connections, the other end are connect after the left wall of the first Metal cavity body 1 with the left end of the first metal plate 6, and energy passes through first
Coaxial outer conductor 9 inputs, and is transferred to the first metal 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 of the second coaxial outer conductor 11 and the second coaxial inner conductor 12, and described second coaxially leads outside
Body 11 is fixed in the right wall of the second Metal cavity body 2, and one end of second coaxial inner conductor 12 coaxial outer is led with second
Body 11 connects, and the other end is connect after the right wall of the second Metal cavity body 2 with the right end of the second metal plate 7, and energy passes through
The input of second coaxial outer conductor 11, and the second metal plate 7 is transferred to by the second coaxial inner conductor 12.
In the present embodiment, first coaxial outer conductor 9 uses the first sub-miniature A connector, and first coaxial inner conductor 10 is adopted
With the first coupling bar, the end of first sub-miniature A connector and one end of the first coupling bar are welded, 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 on two sub-miniature A connectors
Have four threaded hole (not shown)s in the right wall of resonant cavity 2, four in 1 left wall of the first Metal cavity body
Threaded hole is corresponding with four through-holes of the first sub-miniature A connector, four threaded holes and second in 2 right wall of the second Metal cavity body
Four through-holes of sub-miniature A connector are corresponding, are cooperated after through-hole with threaded hole by screw the first sub-miniature A connector being fixed on first
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 is rectangular metal antenna chamber, the top opening 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 circular through hole 13, opened between the left wall of the second Metal cavity body 2 and the right wall of metal antenna cavity 3
There is the second circular through hole 14；The right side of the one end of first probe 4 behind 13 center of the first circular through hole with the first metal plate 6
End connection, to receive the energy that the first metal plate 6 is filtered by the rectangle line of rabbet joint 8, the other end is hanging, and is located at metal antenna cavity
In 3, the energy received is radiate from the top opening of metal antenna cavity 3；One end of second probe 5 passes through the
Two circular through holes, 14 center is connect with the left end of the second metal plate 7, to receive the second metal plate 7 by the filtering of the rectangle line of rabbet joint 8
Energy, the other end is hanging, and is located in metal antenna cavity 3, by the energy received from the top opening 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 constitute
Antenna structure, part of first probe 4 in the first circular through hole 13 and the first circular through hole 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 circular through hole 14 with
Second circular through hole 14 is 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 in one end close to the second Metal cavity body 2 by the first coaxial line and metal antenna cavity 3
It connects, similarly, the second Metal cavity body 2 passes through the second coaxial line and metal in one end close to the first Metal cavity body 1
Antenna chamber 3 connects；The length of first probe 4 and the second probe 5 with the proportional relationship of wavelength of the centre 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 (corresponding first sub-miniature A connector and the first coupling bar), S22Refer to second port (corresponding second sub-miniature A connector and second
Coupling bar) return loss, S21Refer to first port to second port positive transmission coefficient, it can be seen that 2.9~
In the frequency range of 3.8GHz, S11Value all in -10dB hereinafter, simultaneously there are four apparent resonance point, 4.35~5.15GHz's
In frequency range, S22Value all in -10dB hereinafter, simultaneously there are two apparent resonance point, it is seen that be multimode duplexed antenna, well
Meet the requirement of modern communication systems.
As shown in fig. 6, the duplexed antenna process 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, entire duplex day
(first is same by lower metal structures 15, upper metal structures 16, the first metal plate 6, the second metal plate 7, the first sub-miniature A connector for line
Axis 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 composition；
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 first through hole lower half portion 17 for accommodating the first coupling bar, are outputed near right wall for fixing the second sub-miniature A connector
Two the second threaded holes and the second through-hole lower half portion 18 for accommodating the second coupling bar, and output the first lower chamber 19,
Second lower chamber 20 and third lower chamber 21 are outputed on the front and rear wall of the first lower chamber 19 for fixing the first metal plate 6
First groove 22, and the third threaded hole 23 for fixing screws is outputed on the first groove 22, before the second lower chamber 20
The second groove 24 for fixing the second metal plate 7 is outputed on rear wall, and is outputed on the second groove 24 for fixing screws
4th threaded hole 25 outputs 26 He of the 5th threaded hole for fixing screws between the first lower chamber 19 and third lower chamber 21
For accommodating the third through-hole lower half portion 27 of the first probe 4, use is outputed between the second lower chamber 20 and third lower chamber 21
In the 6th threaded hole 28 of fixing screws and fourth hole lower half portion 29 for accommodating the second probe 5；
3) in upper metal structures 16, outputed near left wall fix the first sub-miniature A connector two the 7th threaded holes and
For accommodating the first through hole top half of the first coupling bar, two the 8th for fixing the second sub-miniature A connector are outputed near right wall
Threaded hole and the second through-hole top half for accommodating the second coupling bar, and output the first upper cavity, the second upper cavity and
Three upper cavities 30, the first upper cavity and the second upper cavity are not opened, and third upper cavity 30 is opened；Before and after the first upper cavity
The 9th threaded hole 31 for fixing screws is outputed on wall, the position of the 9th threaded hole 31 is opposite with the position of third threaded hole 23
Answer, output the tenth threaded hole 32 for fixing screws on the front and rear wall of the second upper cavity, the position of the tenth threaded hole 32 with
The position of 4th threaded hole 25 is corresponding, outputs between the first upper cavity and third upper cavity 30 for the tenth of fixing screws
One threaded hole 33 and third through-hole top half for accommodating the first probe 4, the second upper cavity and third upper cavity 30 it
Between output for the 12nd threaded hole 34 of fixing screws and the fourth hole top half for accommodating the second probe 5；
4) on the first metal plate 6, two rectangle line of rabbet joint 8 and the 13rd threaded hole 35 for fixing screws are outputed,
The position of 13rd threaded hole 35 is corresponding with the position of third threaded hole 23, the 9th threaded hole 31, and left in the first metal plate 6
The first notch 36 for fixing the first coupling bar is outputed at end, is outputed in 6 right end of the first metal plate for fixing the first probe 4
Second notch 37；On the second metal plate 7, two rectangle line of rabbet joint 8 and the 14th threaded hole 38 for fixing screws are outputed,
The position of 14th threaded hole 38 is corresponding with the 4th threaded hole 25, the position of the tenth threaded hole 32, and left in the second metal plate 7
The third notch 39 for fixing the second probe 5 is outputed at end, is outputed in 7 right end of the second metal plate for fixing the second coupling bar
4th notch 40；
5) the first metal plate 6 is placed on to the first groove 22 of lower metal structures 15, and the second metal 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 notch 36 of the first metal plate 6, by second
Coupling bar is welded on the 4th notch 40 of the second metal plate 7, and the first probe 4 is welded to the second of the first metal plate 6
On notch 37, the second probe 5 is welded on the third notch 39 of the second metal plate 7, covers upper metal structures 16, at this time
One lower chamber 19 and the first upper cavity form the first Metal cavity body 1, the second lower chamber 20 and the second upper cavity composition second
Metal cavity body 2, third lower chamber 21 and third upper cavity 30 form squaerial cavity 3, first through hole lower half portion 17
The through-hole structure of the first coupling bar, the second through-hole lower half portion 18 and the second through-hole can be accommodated with first through hole top half composition
Top half forms the through-hole structure that can accommodate the second coupling bar, third through-hole lower half portion 27 and the grouping of the third through-hole upper half
At the first circular through hole 13 that can accommodate the first probe 4, fourth hole lower half portion 29 and fourth hole top half composition can
First sub-miniature A connector is locked on the first Metal cavity body 1 by the second circular through hole 14 for accommodating the second probe 5 by screw
And the second sub-miniature A connector is locked on the second Metal cavity body 2, and pass through screw for upper metal structures 16, the first gold medal
Belong to plate 6, the second metal plate 7 and lower metal structures 15 to be fixed up, entire duplexed antenna assembling finishes, 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
Belong to plate 6, metal material that the second metal plate 7, the first conductor assembly and the second conductor assembly use can for aluminium, iron, tin, copper,
Any one of silver, gold and platinum, or can be any one alloy of aluminium, iron, tin, copper, silver, gold and platinum.
In conclusion there are two Metal cavity body and metal antenna cavity, two metals for duplexed antenna tool of the invention
Resonant cavity is located at the arranged on left and right sides of metal antenna cavity, and two Metal cavity bodies embed one piece of metal plate,
Output the line of rabbet joint on embedded metal plate, may be implemented and control duplexing filtering performance, and wherein a Metal cavity body and
Output the circular through hole that can accommodate a wherein probe between metal antenna cavity, and in another Metal cavity body and
Also the circular through hole that can accommodate another probe is outputed between metal antenna cavity, makes one end of two probes from circular through hole
Center passes through and connect afterwards with metal plate, and to receive the energy that metal plate passes through line of rabbet joint filtering, the other end is in metal antenna cavity
Hanging setting, the energy received is radiate from the top opening of metal antenna cavity, and entire duplexed antenna has volume
The advantages that small, design is simply, easy processing, performance are good, can be good at the requirement for meeting modern communication systems.
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 (7)
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
Belong to resonant cavity, the first conductor assembly, the second conductor assembly, metal antenna cavity, the first probe and the second probe, the metal
The top opening of antenna chamber, rest part closing；
The first Metal cavity body and the second Metal cavity body are located at the arranged on left and right sides of metal antenna cavity；Institute
State embedding first metal plate in the first Metal cavity body, embedding second metal plate in the second Metal cavity body, described first
It is opened on metal plate and the second metal plate there are two the rectangle line of rabbet joint, two rectangle line of rabbet joint bilateral symmetries on the first metal plate, the
Two rectangle line of rabbet joint bilateral symmetries on two metal plates；
First conductor assembly is fixed in the left wall of the first Metal cavity body, and connect with the left end of the first metal plate；
Second conductor assembly is fixed in the right wall of the second Metal cavity body, and connect with the right end of the second metal plate；
It is provided with the first circular through hole between the right wall of the first Metal cavity body and the left wall of metal antenna cavity, described
The second circular through hole 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 connect behind the first circular through hole center with the right end of the first metal plate, and the other end is hanging, and is located at metal antenna cavity
It is interior；One end of second probe passes through the second circular through hole center and connect with the left end of the second metal 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:
First conductor assembly is made of the first coaxial outer conductor and the first coaxial inner conductor, and first coaxial outer conductor is solid
It is scheduled in the left wall of the first Metal cavity body, one end of first coaxial inner conductor is connect with the first coaxial outer conductor, separately
One end is connect after the left wall of the first Metal cavity body with the left end of the first metal plate；
Second conductor assembly is made of the second coaxial outer conductor and the second coaxial inner conductor, and second coaxial outer conductor is solid
It is scheduled in the right wall of the second Metal cavity body, one end of second coaxial inner conductor is connect with the first coaxial outer conductor, separately
One end is connect after the right wall of the second Metal cavity body with the right end of the second metal plate.
3. a kind of duplexed antenna based on metal-integral structure according to claim 2, it is characterised in that:
First coaxial outer conductor uses the first sub-miniature A connector, and first coaxial inner conductor uses the first coupling bar, and described the
The end of one sub-miniature A connector and one end of the first coupling bar are welded；
Second coaxial outer conductor uses the second sub-miniature A connector, and second coaxial inner conductor uses the second coupling bar, and described the
The end of two sub-miniature A connectors and one end of the second coupling bar are welded.
4. a kind of duplexed antenna based on metal-integral structure according to claim 3, it is characterised in that: described first
Four through-holes are respectively equipped on sub-miniature A connector and the second sub-miniature A connector, the left wall of the first Metal cavity body and the second metal are humorous
Four threaded holes, four threaded holes and the first SMA in the first Metal cavity body left wall are had in the right wall of vibration cavity
Four through-holes of connector are corresponding, and four of four threaded holes and the second sub-miniature A connector in the second Metal cavity body right wall are logical
Hole is corresponding, is cooperated after through-hole with threaded hole by screw the first sub-miniature A connector being fixed on the first Metal cavity body
In left wall, and the second sub-miniature A connector is fixed in the right wall of the second Metal cavity body.
5. a kind of duplexed antenna based on metal-integral structure according to claim 1-4, it is characterised in that:
The first Metal cavity body and the second Metal cavity body are rectangular metal resonant cavity.
6. a kind of duplexed antenna based on metal-integral structure according to claim 1-4, it is characterised in that:
The metal antenna cavity be rectangular metal antenna chamber, the top opening of the rectangular metal antenna chamber, bottom, left part,
Right part, front and rear closing.
7. a kind of duplexed antenna based on metal-integral structure according to claim 1-4, it is characterised in that:
The length of first probe and the second probe with the proportional relationship of wavelength of the centre frequency under corresponding.
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| CN201710036781.3A CN106684512B (en) | 2017-01-18 | 2017-01-18 | A kind of duplexed antenna based on metal-integral structure |
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| CN201710036781.3A CN106684512B (en) | 2017-01-18 | 2017-01-18 | A kind of duplexed antenna based on metal-integral structure |
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| CN109560356B (en) * | 2018-11-22 | 2020-08-18 | 深圳大学 | Double-frequency filter |
| CN113224511B (en) * | 2021-04-23 | 2022-12-16 | 华南理工大学 | Waveguide filter antenna array based on mixed resonant mode resonant cavity |
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| CN101098035A (en) * | 2006-06-29 | 2008-01-02 | 奥雷通光通讯设备（上海）有限公司 | Waveguide antenna aperture metal bar coupled structure |
| CN105428765A (en) * | 2015-12-21 | 2016-03-23 | 华南理工大学 | Metal resonant cavity filter embedded with slotted metal plate with low-frequency zero point |
| CN105514543A (en) * | 2015-12-22 | 2016-04-20 | 华南理工大学 | Metal cavity duplexer |
| CN205583113U (en) * | 2016-02-29 | 2016-09-14 | 迈特通信设备（苏州）有限公司 | Waveguide duplexer antenna waveguide port |
| CN206422196U (en) * | 2017-01-18 | 2017-08-18 | 华南理工大学 | A kind of duplexed antenna based on metal-integral structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10629993B2 (en) * | 2012-07-19 | 2020-04-21 | HungYu David Yang | Method and apparatus for a 60 GHz endfire antenna |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098035A (en) * | 2006-06-29 | 2008-01-02 | 奥雷通光通讯设备（上海）有限公司 | Waveguide antenna aperture metal bar coupled structure |
| CN105428765A (en) * | 2015-12-21 | 2016-03-23 | 华南理工大学 | Metal resonant cavity filter embedded with slotted metal plate with low-frequency zero point |
| CN105514543A (en) * | 2015-12-22 | 2016-04-20 | 华南理工大学 | Metal cavity duplexer |
| CN205583113U (en) * | 2016-02-29 | 2016-09-14 | 迈特通信设备（苏州）有限公司 | Waveguide duplexer antenna waveguide port |
| CN206422196U (en) * | 2017-01-18 | 2017-08-18 | 华南理工大学 | A kind of duplexed antenna based on metal-integral structure |
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