CN209088081U - A kind of broadband ladder septate waveguide double-circle polarization device - Google Patents
A kind of broadband ladder septate waveguide double-circle polarization device Download PDFInfo
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- CN209088081U CN209088081U CN201822219663.9U CN201822219663U CN209088081U CN 209088081 U CN209088081 U CN 209088081U CN 201822219663 U CN201822219663 U CN 201822219663U CN 209088081 U CN209088081 U CN 209088081U
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Abstract
The utility model discloses a kind of broadband ladder septate waveguide double-circle polarization devices, including radiating square wave guide, double-circle polarization ladder septate waveguide, left-hand circular polarization feed waveguide and right-handed circular polarization feed waveguide, radiation square wave guide is set to one end of double-circle polarization ladder septate waveguide, the two is connected by wave guide wall, left-hand circular polarization feed waveguide and right-handed circular polarization feed waveguide are juxtaposed on the other end of double-circle polarization ladder septate waveguide, the wave guide ridge for protruding from wave guide wall is formed on each wave guide wall in radiation square wave guide and double-circle polarization ladder septate waveguide, the width of wave guide ridge is greater than the width of the ladder partition in double-circle polarization ladder septate waveguide.The utility model completely eliminate voltage standing wave ratio, port isolation, axis ratio sharply corruptions, widened the working band of ladder septate waveguide double-circle polarization device significantly, can be in entire waveguide work band operation.
Description
Technical field
The utility model relates to guide technology fields, and in particular to a kind of broadband ladder septate waveguide double-circle polarization device.
Background technique
Ladder septate waveguide double-circle polarization device is compact-sized, performance is stable, is easily worked, in communication, guidance, electronic reconnaissance
Equal fields extensive application.Traditional ladder septate waveguide double-circle polarization device, mainly by radiation square wave guide, double-circle polarization ladder
Septate waveguide, left-hand circular polarization feed waveguide, right-handed circular polarization feed waveguide composition, when carrying out wide-band applications, in frequency
There are resonance phenomenas for low side, its electric property sharply declines at resonance point, lead to traditional ladder septate waveguide double-circle polarization
Device bandwidth of operation cannot cover entire waveguide work frequency range.It is often needed in certain broadband application scenes, such as electronic reconnaissance field
Wanting waveguide double-circle polarization device energy bandwidth of operation that can cover entire waveguide work frequency range reduces cost to reduce antenna amount, this
A kind of broadband ladder septate waveguide double-circle polarization device just is needed, the resonance for eliminating traditional ladder septate waveguide double-circle polarization device is existing
As entire waveguide work frequency range can be worked in.
Utility model content
For the above deficiency in the prior art, the utility model aim is to solve to eliminate traditional ladder septate waveguide pair
The resonance phenomena of circular polarizer solves the problems, such as that its bandwidth of operation cannot cover entire waveguide work frequency range, provides one thus
Kind broadband ladder septate waveguide double-circle polarization device.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of broadband ladder septate waveguide double-circle polarization device, including radiation square wave guide, double-circle polarization ladder septate waveguide, a left side
Hand circular polarization feed waveguide and right-handed circular polarization feed waveguide, the radiation square wave guide are set to the double-circle polarization ladder partition
One end of waveguide, the two are connected by wave guide wall, and the left-hand circular polarization feed waveguide and right-handed circular polarization feed waveguide are arranged side by side
It is set to the other end of the double-circle polarization ladder septate waveguide, the radiation square wave guide and the double-circle polarization ladder partition
The wave guide ridge for protruding from the wave guide wall is formed on each wave guide wall in waveguide, the width of the wave guide ridge is greater than described double
The width of ladder partition in circular polarisation ladder septate waveguide.
One end of the wave guide ridge is concordant with the radiation interface end of square wave guide, and the other end extends to double entelechies
Change in ladder septate waveguide.
The wave guide ridge in the double-circle polarization ladder septate waveguide is extended to, setting one, which has, in its end is tilted over
The waveguide transition ridge in face is crossed, the waveguide transition ridge gradually extends to the middle and lower part position of the double-circle polarization ladder septate waveguide
It sets.
One is respectively set on four wave guide walls of the radiation square wave guide and the double-circle polarization ladder septate waveguide
The wave guide ridge, and the wave guide ridge is in be oppositely arranged two-by-two.
The wave guide ridge and waveguide transition ridge on each wave guide wall are arranged in equidimension size.
The wave guide ridge and waveguide transition ridge are located at the middle part of each wave guide wall.
The entire waveguide transition ridge is located at the medium position of the double-circle polarization ladder septate waveguide.
The two sides of the wave guide ridge and the two sides of the waveguide transition ridge are respectively provided with that transit to the wave guide wall flat
Transition face on face.
The transition face is slant transition surface or step transition face.
Technical solutions of the utility model have the advantages that
A. the utility model is provided in radiation square wave guide and double-circle polarization ladder septate waveguide and protrudes from wave guide wall
Four wave guide ridges, from Fig. 3 to Fig. 8 in as can be seen that cursor position be resonance frequency, traditional ladder septate waveguide double-circle polarization device
In, as shown in Fig. 3, Fig. 5 and Fig. 7, occur voltage standing wave ratio, port isolation, axis near the resonance frequency of cursor position than equal
Appearance sharply deteriorates, and the utility model completely eliminates waveguide in the case where emitting and receiving two states in the double circles of ladder septate waveguide
Generated frequency band interior resonance in polarizer has widened ladder septate waveguide double-circle polarization as shown in Fig. 4, Fig. 6 and Fig. 8 significantly
The working band of device can improve its working performance in entire waveguide work band operation.
B. the utility model may extend to four wave guide walls in double-circle polarization ladder septate waveguide end be provided with
The middle part of double-circle polarization ladder septate waveguide is arranged in its integrated four waveguide transition ridge structure, entire waveguide transition ridge,
It combines the integral working for substantially increasing ladder septate waveguide double-circle polarization device with wave guide ridge, is especially a cancellation wave
Generated resonance phenomena when work is led, solves the problems, such as that its bandwidth of operation cannot cover entire waveguide work frequency range, meanwhile, from
In attached drawing as can be seen that the utility model possessed by voltage standing wave ratio, axis than, isolation etc. performances be much better than traditional ladder every
Piece waveguide double-circle polarization device.
Detailed description of the invention
In order to illustrate more clearly of specific embodiment of the present invention, will make below to required in specific embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is broadband ladder septate waveguide double-circle polarization device composed structure perspective view provided by the utility model；
Fig. 2 is section view stereoscopic schematic diagram shown in FIG. 1；
Fig. 3 is traditional ladder septate waveguide double-circle polarization device voltage standing wave ratio result diagram；
Fig. 4 is the utility model ladder septate waveguide double-circle polarization device voltage standing wave ratio result diagram；
Fig. 5 is traditional ladder septate waveguide double-circle polarization device port isolation result diagram；
Fig. 6 is the utility model ladder septate waveguide double-circle polarization device port isolation result diagram；
Fig. 7 is that traditional ladder septate waveguide double-circle polarization device axis is illustrated than result；
Fig. 8 is that the utility model ladder septate waveguide double-circle polarization device axis is illustrated than result.
Description of symbols:
1- radiates square wave guide
2- double-circle polarization ladder septate waveguide
21 ladder partitions
3- left-hand circular polarization feed waveguide；4- right-handed circular polarization feed waveguide；5- wave guide ridge
6- waveguide transition ridge；7- wave guide wall；8- transition face.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
As depicted in figs. 1 and 2, the utility model provides a kind of broadband ladder septate waveguide double-circle polarization device, including spoke
Square wave guide 1, double-circle polarization ladder septate waveguide 2, left-hand circular polarization feed waveguide 3 and right-handed circular polarization feed waveguide 4 are penetrated, is radiated
Square wave guide is set to one end of double-circle polarization ladder septate waveguide, and the two is connected by wave guide wall 7, left-hand circular polarization feed waveguide
3 and right-handed circular polarization feed waveguide 4 be juxtaposed on the other end of double-circle polarization ladder septate waveguide 2, radiation square wave guide 1 and double
The wave guide ridge 5 for protruding from wave guide wall 7, the width of wave guide ridge 5 are formed on each wave guide wall 7 in circular polarisation ladder septate waveguide 2
Degree is greater than the width of the ladder partition 21 in double-circle polarization ladder septate waveguide 2；Preferably, by one end of wave guide ridge 5 and radiation
The interface end of square wave guide 1 is concordant, and the other end extends in double-circle polarization ladder septate waveguide 2.The utility model passes through each
The wave guide ridge for eliminating traditional ladder septate waveguide double-circle polarization device resonance phenomena is established on a wave guide wall, through test
Card, the utility model solve the problems, such as that the bandwidth of operation of existing double-circle polarization device cannot cover entire waveguide work frequency range, greatly
The performance indicators such as ladder septate waveguide double-circle polarization device axis ratio, voltage standing wave ratio, port isolation are improved greatly.
It is further preferred that the utility model is also in the end for the wave guide ridge 5 being located in double-circle polarization ladder septate waveguide 2
The middle and lower part region of double-circle polarization ladder septate waveguide 2 is gradually extended to by the waveguide transition ridge 6 with a slant transition surface,
I.e. the upper surface of wave guide ridge 5 extends on wave guide wall by the way that waveguide transition ridge 6 is directly inclined.As shown in Figure 1, the utility model
A wave guide ridge preferably respectively is respectively set on four wave guide walls 7 of radiation square wave guide 1 and double-circle polarization ladder septate waveguide 2
5, and preferably Relative distribution two-by-two is set by wave guide ridge 5；It is highly preferred that wave guide ridge 5 and waveguide on each wave guide wall
It crosses ridge 6 to be arranged in equidimension size, and wave guide ridge 5 and waveguide transition ridge 6 are located at the middle part of each wave guide wall 7.
Two sides and waveguide transition ridge 6 in order to make entire waveguide double-circle polarization device that there is better performance, in wave guide ridge 5
Two sides are respectively provided with the transition face 8 transitted in 7 plane of wave guide wall.Here transition face 8 be preferably slant transition surface or
Step transition face is easy to implement machining, improves entire waveguide work performance.
Since double-circle polarization ladder septate waveguide 2 is an one port devices, it to be rectangular wave respectively that there are three Waveguide interfaces
Waveguide interface, left-handed Waveguide interface and dextrorotation Waveguide interface；Wherein rectangular waveguide interface and radiation square wave guide 1 are connected by wave guide wall
It connects；Left-handed Waveguide interface is connect with left-hand circular polarization feed waveguide 3 by wave guide wall；Dextrorotation Waveguide interface and right-handed circular polarization
Feed waveguide 4 is connected by wave guide wall.Four wave guide ridges 5 are located at four wave guide walls and double-circle polarization of radiation square wave guide 1
On the upside of four wave guide walls of ladder septate waveguide 2, connected by wave guide wall.Preferably four wave guide ridge transition 6 are located at
In the middle part of four wave guide walls of double-circle polarization ladder septate waveguide 2, connected by wave guide wall.
Broadband ladder septate waveguide double-circle polarization device when specific works, which has, emits and receives two kinds of working conditions.
When in emission state, electromagnetic wave is electric from left-hand circular polarization feed waveguide 3 or 4 feed-in of right-handed circular polarization feed waveguide
Magnetic wave is transmitted to double-circle polarization in the form of TE10 main mould in left-hand circular polarization feed waveguide 3 or right-handed circular polarization feed waveguide 4
Ladder septate waveguide 2, by the linear polarization electromagnetism of 3 feed-in of left-hand circular polarization feed waveguide in double-circle polarization ladder septate waveguide 2
Wave is converted into left-hand circular polarization electromagnetic wave, and the electromagnetic wave of 4 feed-in of right-handed circular polarization feed waveguide is converted into right-handed circular polarization
Electromagnetic wave, last feed-in radiate square wave guide 1, to realize transmitting linear polarised electromagnetic wave to left or right rotation circular polarisation electromagnetic wave
Conversion and isolation.
When in reception state, the left or right rotation circular polarisation electromagnetic wave feed-in double-circle polarization ladder in square wave guide 1 is radiated
Left-hand circular polarization electromagnetic wave is converted into linear polarised electromagnetic wave in double-circle polarization ladder septate waveguide 1 and finally presented by septate waveguide 2
Enter in left-hand circular polarization feed waveguide 3, right-handed circular polarization electromagnetic wave is converted into the final feed-in dextrorotation entelechy of linear polarised electromagnetic wave
Change in feed waveguide 4, is received to realize receive left-handed, right-handed circular polarization electromagnetic wave to linear polarization isolation simultaneously.
The utility model is provided in radiation square wave guide and double-circle polarization ladder septate waveguide and protrudes from the four of wave guide wall
Root wave guide ridge, by compared with traditional double-circle polarization ladder septate waveguide carries out performance, from Fig. 3 to Fig. 8 in it can be seen that ratio
To result.Cursor position is resonance frequency, in traditional ladder septate waveguide double-circle polarization device, as shown in Fig. 3, Fig. 5 and Fig. 7,
Near the resonance frequency of cursor position, the voltage standing wave ratio of traditional double-circle polarization device, port isolation, axis ratio occur sharply
Deteriorate；By the way that wave guide ridge and waveguide transition ridge are arranged on wave guide wall, make the utility model completely eliminate waveguide in transmitting and
Receive two states under in ladder septate waveguide double-circle polarization device generated frequency band interior resonance, such as Fig. 4, Fig. 6 and Fig. 8 institute
Show, widened the working band of ladder septate waveguide double-circle polarization device significantly, can be mentioned in entire waveguide work band operation
The high efficiency of entire waveguide.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among still in the protection scope of the utility model.
Claims (9)
1. a kind of broadband ladder septate waveguide double-circle polarization device, including radiation square wave guide (1), double-circle polarization ladder septate waveguide
(2), left-hand circular polarization feed waveguide (3) and right-handed circular polarization feed waveguide (4), the radiation square wave guide (1) are set to described
One end of double-circle polarization ladder septate waveguide (2), the two are connected by wave guide wall (7), the left-hand circular polarization feed waveguide (3)
The other end of the double-circle polarization ladder septate waveguide (2) is juxtaposed on right-handed circular polarization feed waveguide (4), feature exists
In forming one on each wave guide wall (7) in the radiation square wave guide (1) and the double-circle polarization ladder septate waveguide (2)
The wave guide ridge (5) of the wave guide wall (7) is protruded from, the width of the wave guide ridge (5) is greater than the double-circle polarization ladder partition wave
Lead the width of the ladder partition (21) in (2).
2. broadband ladder septate waveguide double-circle polarization device according to claim 1, which is characterized in that the wave guide ridge (5)
One end it is concordant with the radiation interface end of square wave guide (1), the other end extends to the double-circle polarization ladder septate waveguide
(2) in.
3. broadband ladder septate waveguide double-circle polarization device according to claim 2, which is characterized in that extend to double circles
The wave guide ridge (5) in polarization ladder septate waveguide (2), the one waveguide transition ridge with slant transition surface of setting in its end
(6), the waveguide transition ridge (6) gradually extends to the middle and lower part position of the double-circle polarization ladder septate waveguide (2).
4. broadband ladder septate waveguide double-circle polarization device according to claim 1 to 3, which is characterized in that the radiation
A waveguide is respectively set on four wave guide walls (7) of square wave guide (1) and the double-circle polarization ladder septate waveguide (2)
Ridge (5), and the wave guide ridge (5) is in be oppositely arranged two-by-two.
5. broadband ladder septate waveguide double-circle polarization device according to claim 4, which is characterized in that on each wave guide wall
The wave guide ridge (5) and waveguide transition ridge (6) in equidimension size be arranged.
6. broadband ladder septate waveguide double-circle polarization device according to claim 5, which is characterized in that the wave guide ridge (5)
It is located at the middle part of each wave guide wall (7) with waveguide transition ridge (6).
7. broadband ladder septate waveguide double-circle polarization device according to claim 6, which is characterized in that the entire waveguide
Cross the medium position that ridge (6) are located at the double-circle polarization ladder septate waveguide (2).
8. broadband ladder septate waveguide double-circle polarization device according to claim 7, which is characterized in that the wave guide ridge (5)
Two sides and the two sides of the waveguide transition ridge (6) be respectively provided with the transition face transitted in the wave guide wall (7) plane
(8)。
9. broadband ladder septate waveguide double-circle polarization device according to claim 8, which is characterized in that the transition face (8)
For slant transition surface or step transition face.
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| CN201822219663.9U CN209088081U (en) | 2018-12-27 | 2018-12-27 | A kind of broadband ladder septate waveguide double-circle polarization device |
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| CN201822219663.9U CN209088081U (en) | 2018-12-27 | 2018-12-27 | A kind of broadband ladder septate waveguide double-circle polarization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384597A (en) * | 2018-12-27 | 2020-07-07 | 北京博创瑞通科技有限公司 | Broadband stepped spacer waveguide dual-circular polarizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384597A (en) * | 2018-12-27 | 2020-07-07 | 北京博创瑞通科技有限公司 | Broadband stepped spacer waveguide dual-circular polarizer |
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