CN107946716A - A kind of four port feed networks based on turnsile coupler - Google Patents
A kind of four port feed networks based on turnsile coupler Download PDFInfo
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- CN107946716A CN107946716A CN201711361565.2A CN201711361565A CN107946716A CN 107946716 A CN107946716 A CN 107946716A CN 201711361565 A CN201711361565 A CN 201711361565A CN 107946716 A CN107946716 A CN 107946716A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention discloses a kind of four port feed networks based on turnsile coupler, belong to wireless communication technology field.It includes broadband equiphase output orthomode coupler, two rectangular waveguide ports of broadband equiphase output orthomode coupler turn polarized wave guide card by one respectively and are connected with a frequency diplexer, frequency diplexer includes three rectangular waveguide ports, frequency diplexer overlaps be interconnected with one another two port center axis of the orthogonal mode coupling of broadband equiphase output and is in 45 ° of angles, turn the central plane of polarized wave guide card and just turn the equidistant point that polarized wave guide card connects broadband equiphase and export angle between orthomode coupler port and frequency diplexer port for this.Excellent electrical property of the present invention, processing is simple, can be excellent in the index such as phase polarization separation, standing wave, isolation, Insertion Loss such as realization nearly in a frequency multiplication, is a kind of important improvement to the prior art.
Description
Technical field
The present invention relates to navigation observing and controlling, wireless communication and radio astronomy technical field, particularly relates to a kind of based on cross turn
Four port feed networks of door coupler.
Background technology
Generally used in field transmit-receive sharings such as navigation observing and controlling, satellite communications, and with satellite frequency spectrum resource
Increase, double frequency is public or multifrequency common antenna can realize that an antenna is used in two in the case where only increasing a small amount of cost
Even more than frequency range, when especially antenna aperture is larger, antenna system cost can be significantly reduced, while reduce land use face
Product, facilitates the laying of user site.Bipolar feed source can expansion system at double spectrum utilization efficiency, in antenna system
Use demand is also more and more.
But there are the problems such as complicated, processing is inconvenient for bipolar feed source of the prior art.
The content of the invention
In view of this, the present invention proposes a kind of four port feed networks based on turnsile coupler, its is simple in structure,
It is easy to process, it can be applied in antenna system realize that dual-band and dual-polarization is multiplexed.
Based on above-mentioned purpose, technical solution provided by the invention is：
A kind of four port feed networks based on turnsile coupler, it includes broadband equiphase output orthomode coupler,
The broadband equiphase output orthomode coupler is three ports for including a circular waveguide port and two rectangular waveguide ports
Cavity body structure, two rectangular waveguide ports of the broadband equiphase output orthomode coupler turn polarized wave by one respectively
Guide card is connected with a frequency diplexer, and two rectangular waveguide ports of the broadband equiphase output orthomode coupler are one
In a plane and it is mutually perpendicular to, the polarized wave guide card that turns is one section of ridge waveguide, and the frequency diplexer includes three rectangular waves
Port is led, the frequency diplexer exports connect toward each other two port centers of orthomode coupler with broadband equiphase
Axis overlaps and is in 45 ° of angles, and the central plane for turning polarized wave guide card just turns polarized wave guide card by this and connect the phases such as broadband
The equidistant point of angle between position output orthomode coupler port and frequency diplexer port.
Optionally, electricity of the two rectangular waveguide ports of the broadband equiphase orthomode coupler to its circular waveguide port
Equal length, and configured on locus relative to circular waveguide center-biased.
Optionally, the broadband equiphase orthomode coupler includes a turnsile connector, and the turnsile connects
Head includes being used to form the Circular waveguides of the circular waveguide port and around equally distributed four rectangles of Circular waveguides
The junction of Coupled Passive Waveguide Structure, four rectangle Coupled Passive Waveguide Structures and Circular waveguides is rounded down, four rectangle couplings
Waveguide in waveguiding structure is passed crosswise in a plane and infall waveguide narrows.
Optionally, the broadside of the ridge waveguide and narrow side be respectively greater than the broadside of the rectangular waveguide port being attached thereto with it is narrow
Side.
Optionally, the frequency diplexer is three port devices, is used for high and low two of input/output including one
The common rectangular waveguide port of frequency band signals, a low-frequency rectangular waveguide end for being used for input/output lower frequency segment signal
Mouthful, and a high frequency rectangular waveguide port for being used for input/output upper frequency segment signal.
Optionally, the low-frequency rectangular waveguide port of two frequency diplexers is parallel each other, and high frequency rectangular waveguide end
Mouth is also parallel each other.
Optionally, the frequency diplexer is the form of waveguide E face branch.
Optionally, the frequency diplexer is the form of waveguide H faces branch.
Optionally, it is connected to ripple in the low-frequency rectangular waveguide port and high frequency rectangular waveguide port of two frequency diplexers
Conducting bridge, so as to form four port feed of circular polarisation.
Optionally, waveguide electricity is connected in the low-frequency rectangular waveguide port or high frequency rectangular waveguide port of two frequency diplexers
Bridge, so as to be formed while there is circular polarisation and four port feeds of linear polarization.
From narration above as can be seen that the beneficial effect of technical solution of the present invention is：
The present invention utilizes the dual polarization of turnsile coupler, ultra wide band characteristic, using turnsile coupler and frequency-duplex
The scheme that device is combined realizes a kind of dual polarization, the feed network of four ports, and in turnsile coupler and frequency-duplex
Added among device and turn polarized wave guide card, make 45 ° of frequency diplexer polarized rotation, two polarization outlets of whole network similar frequency bands
It is parallel to each other, is easy to the installation of follow-up waveguide device, is particularly advantageous for realizing circular polarisation, whole device knot by connecting electric bridge
Structure is simple and compact.
Experiment shows, the present apparatus be used for L/S double frequencies it is public when, be 1.197GHz~1.61GHz in L-band, S frequency ranges are
In the frequency range of 2.0GHz~2.25GHz, the standing wave of two output rectangular ports is less than 1.25: 1.
As it can be seen that excellent electrical property of the present invention, processing is simple, can be realized in the two-band of nearly one frequency multiplication of span double
The index such as double frequency shared, standing wave, isolation, Insertion Loss that polarizes is excellent, can use in frequency band double-frequencies such as L/S, S/C, X/Ku, Ku/Ka
It is a kind of important improvement to the prior art in the antenna systems of frequency range transmit-receive sharing such as shared or L, S, C, X, Ku, Ka.
Brief description of the drawings
In order to clearly describe this patent, one or more attached drawing is provided below, these attached drawings are intended to this patent
Background technology, technical principle and/or some specific embodiments make aid illustration.It should be noted that these attached drawings can
It can not also provide some to provide and have been described and belong to known in those of ordinary skill in the art often at this patent word segment
The detail of knowledge；Also, because those of ordinary skill in the art can combine the published word content of this patent completely
And/or accompanying drawing content, more attached drawings, therefore these attached drawings below are designed in the case where not paying any creative work
Can cover can not also cover all technical solutions that this patent word segment is described.In addition, these attached drawings is specific interior
Containing needs the word content with reference to this patent to be determined, when word content and some obvious knot in these attached drawings of this patent
, it is necessary to which to carry out comprehensive descision be this on earth with reference to the narration of the common knowledge and this patent other parts of this area when structure is not consistent
There are exist to draw mistake in clerical mistake, or attached drawing for the word segment of patent.Especially, the following drawings is the figure of exemplary in nature
Piece, it is not intended that imply the protection domain of this patent, those of ordinary skill in the art are by reference to the text disclosed in this patent
Word content and/or accompanying drawing content, can design more attached drawings, these are new in the case where not paying any creative work
Technical solution representated by attached drawing is still within the protection domain of this patent.
Fig. 1 is a kind of structure diagram of feed network in the embodiment of the present invention；
Fig. 2 is the structure diagram of turnsile coupler in Fig. 1；
Fig. 3 is the structure diagram of Fig. 1 transfer polarized wave guide cards；
Fig. 4 is the structure diagram of frequency diplexer in Fig. 1；
Fig. 5 is the position relationship schematic diagram that transfer polarized wave of embodiment of the present invention guide card connects two sections of waveguides, is ripple shown in figure
The structure of guide cavity；
Fig. 6 is the structure diagram of another feed network in the embodiment of the present invention；
Fig. 7 is the structure diagram of frequency diplexer in Fig. 6.
Embodiment
For the ease of understanding of the those skilled in the art to the art of this patent scheme, meanwhile, in order to make the technology of this patent
Purpose, technical solution and beneficial effect are clearer, and the protection domain of claims is fully supported, below with tool
The form of body case makes the technical solution of this patent further, more detailed description.
As shown in Fig. 1~5, a kind of four port feed networks based on turnsile coupler, it includes broadband equiphase
Output orthomode coupler 1, two turns polarized wave guide card 2 and two frequency diplexers 3；The broadband equiphase exports orthogonal mode
Coupler 1 is three port cavity body structures, including a circular waveguide port 1-1 and two rectangular waveguide ports 1-2,1-3, two squares
Shape waveguide port 1-2,1-3 in one plane and is mutually perpendicular to；The polarized wave guide card 2 that turns is one section of ridge waveguide；With one
Exemplified by the frequency diplexer of waveguide E face branched form, it includes three rectangular waveguide ports 3-1,3-2,3-3, wherein, rectangular wave
The rectangular port 1-2 central axis that port 3-1 is led with broadband equiphase output orthomode coupler overlap, and mutual angle
45 °, rectangular waveguide port 3-1 and broadband equiphase export to be connected among the rectangular port 1-2 of orthomode coupler and turn polarization
Waveguide piece 2, the central plane for turning polarized wave guide card 2 and the frequency diplexer rectangular waveguide port 3-1 and the broadband
The equidistant point of the rectangular port 1-2 of equiphase output orthomode coupler overlaps.
Optionally, Fig. 2 is still seen, equiphase output orthomode coupler 1 in broadband includes a circular waveguide port 1-1 and two
A rectangular waveguide port 1-2,1-3, rectangular waveguide port 1-2 are mutually perpendicular to rectangular waveguide port 1-3, both arrive circular waveguide end
The electrical length of mouth 1-1 is equal, and is configured relative to circular waveguide center-biased.
Still see Fig. 2, broadband equiphase orthomode coupler includes a turnsile connector, the turnsile connector
One end is the circular waveguide port, and the other end has four equally distributed rectangle coupled waveguides, four equally distributed squares
The junction of shape coupled waveguide and circular waveguide is rounded down, and four equally distributed rectangle coupled waveguides are handed in a plane
Fork passes through, and infall waveguide narrows.
Still see Fig. 3 and Fig. 5, turn ridge waveguide of the polarized wave guide card 2 for one section of length-specific, there is convex ridge on its broadside 2-1
2-2, the polarized wave guide card 2 that turns are configured between two sections of waveguides 4 and 5 before and after mutual 45 ° of angle, turn polarized wave guide card 2
Median plane is just the equidistant point of front and rear two waveguide segment 4 and 5, and broadside and the narrow side of the ridge waveguide are respectively greater than what is be attached thereto
The broadside and narrow side of rectangular waveguide.
Still see Fig. 4, frequency diplexer 3 is three port devices, one of common rectangular waveguide port 3-1 input/output
High and low two frequency band signals, rectangular waveguide port 3-2 input/output lower frequency segment signals, rectangular waveguide port 3-3 are defeated
Enter/export upper frequency segment signal, the rectangular waveguide port 3-2 of two frequency diplexers is parallel to each other, two frequency diplexers
Rectangular waveguide port 3-3 be parallel to each other.
Still see Fig. 2, the rectangular waveguide mouth of broadband equiphase output orthomode coupler 1 is matched somebody with somebody relative to circular waveguide center-biased
Put, it is unchanged that waveguide sections are connected in addition to bent angle.In addition, equiphase output orthomode coupler in broadband can also use rectangular waveguide
The mode that mouth is configured relative to circular waveguide central symmetry, at this time, connection waveguide in one plane cross through, and infall ripple
Lead and narrow.
If Fig. 6 and 7 is using the feed network of another structure frequency duplexer, the frequency diplexer 5 in this is H-T
Three port devices of Waveguide branching, it includes the high and low two frequency bands letter of a common rectangular waveguide port 5-1 input/output
Number, a rectangular waveguide port 5-2 input/output lower frequency segment signal, and a rectangular waveguide port 5-3 input/defeated
Go out upper frequency segment signal, the rectangular waveguide port 5-2 of two frequency diplexers is parallel to each other, the rectangle of two frequency diplexers
Waveguide port 5-3 is also parallel to each other.
In addition, it can be connected to ripple in the low-frequency rectangular waveguide port and high frequency rectangular waveguide port of two frequency diplexers
Conducting bridge, so as to form four port feed of circular polarisation.Alternatively, two frequency diplexers low-frequency rectangular waveguide port or
Waveguide bridge is connected in high frequency rectangular waveguide port, so as to be formed while had four ports of circular polarisation and linear polarization to present
Source.
By above-described embodiment be used as L/S double frequency shareds four port feed networks, L-band for 1.197GHz ~
1.61GHz, S frequency range are in the frequency range of 2.0GHz ~ 2.25GHz, and the standing wave of two output rectangular ports is less than 1.25: 1.It can be seen that
Invention has excellent electrical property.
It is to be appreciated that to be intended merely to facilitate this area common for the above-mentioned narration for this patent embodiment
The exemplary description that technical staff understands this patent scheme and enumerates, does not imply that the protection domain of this patent is limited solely to
In this few example, those of ordinary skill in the art completely can on the premise of making and fully understanding to the art of this patent scheme,
In the form of not paying any creative work, by taking each example cited by this patent combination technique feature, replacing
Some technical characteristics, add more technical characteristics etc. mode, obtains more embodiments, all these specific implementations
Mode is within the covering scope of patent claims book, and therefore, these new embodiments also should be in this patent
Protection domain within.
In addition, for the purpose for simplifying narration, this patent may also not enumerate some ordinary specific embodiments, this
A little schemes are that those of ordinary skill in the art can expect naturally after it understanding of the art of this patent scheme, it is clear that this
A little schemes should also be included within the protection domain of this patent.
For the purpose for simplifying narration, above-mentioned each embodiment may only up to for the extent of disclosure of ins and outs
The degree that can voluntarily make a decision to those skilled in the art, i.e. there is no disclosed ins and outs for above-mentioned embodiment,
Those of ordinary skill in the art completely can be in the case where not paying any creative work, in filling for the art of this patent scheme
Divide under prompting, completed by means of the disclosed document of textbook, reference book, paper, patent, audio-visual product etc., alternatively, this
A little details are the contents that can voluntarily be maked decision according to actual conditions under being generally understood that of those of ordinary skill in the art.
As it can be seen that even if these underground ins and outs, the open adequacy of the art of this patent scheme will not be impacted.
In short, on the basis of explanation effect of the patent specification to claims protection domain is combined, it is any
Fall into the specific embodiment of patent claims book covering scope, within the protection domain of this patent..
Claims (10)
1. a kind of four port feed networks based on turnsile coupler, it is characterised in that including the output of broadband equiphase just
Mode coupler is handed over, the broadband equiphase output orthomode coupler is to include a circular waveguide port and two rectangular waveguide ends
Three port cavity body structures of mouth, two rectangular waveguide ports of the broadband equiphase output orthomode coupler pass through one respectively
A polarized wave guide card that turns is connected with a frequency diplexer, two rectangular waves of the broadband equiphase output orthomode coupler
Lead port in one plane and be mutually perpendicular to, the polarized wave guide card that turns is one section of ridge waveguide, and the frequency diplexer includes
Three rectangular waveguide ports, the frequency diplexer and connect toward each other the two of broadband equiphase output orthomode coupler
A port center axis overlaps and is in 45 ° of angles, and the central plane for turning polarized wave guide card just turns polarized wave guide card institute for this
Connect the equidistant point of angle between broadband equiphase output orthomode coupler port and frequency diplexer port.
2. the four port feed networks according to claim 1 based on turnsile coupler, it is characterised in that the width
The electrical length of two rectangular waveguide ports to its circular waveguide port with equiphase orthomode coupler is equal, and in locus
On relative to circular waveguide center-biased configure.
3. the four port feed networks according to claim 2 based on turnsile coupler, it is characterised in that the width
Band equiphase orthomode coupler includes a turnsile connector, and the turnsile connector includes being used to form the round ripple
Lead the Circular waveguides of port and around the equally distributed four rectangle Coupled Passive Waveguide Structures of Circular waveguides, four rectangle couplings
The junction of multiplex guide structure and Circular waveguides is rounded down, and the waveguide in four rectangle Coupled Passive Waveguide Structures is flat at one
Passed crosswise in face and infall waveguide narrows.
4. the four port feed networks according to claim 1 based on turnsile coupler, it is characterised in that the ridge
The broadside of waveguide is respectively greater than the broadside and narrow side for the rectangular waveguide port being attached thereto with narrow side.
5. the four port feed networks according to claim 1 based on turnsile coupler, it is characterised in that the frequency
Rate duplexer is three port devices, including a common rectangular ripple for being used for high and low two frequency band signals of input/output
Lead port, a low-frequency rectangular waveguide port for being used for input/output lower frequency segment signal, and one be used to inputting/it is defeated
Go out the high frequency rectangular waveguide port of upper frequency segment signal.
6. the four port feed networks according to claim 5 based on turnsile coupler, it is characterised in that two frequencies
The low-frequency rectangular waveguide port of rate duplexer is parallel each other, and high frequency rectangular waveguide port is also parallel each other.
7. the four port feed networks according to claim 5 based on turnsile coupler, it is characterised in that the frequency
Rate duplexer is the form of waveguide E face branch.
8. the four port feed networks according to claim 5 based on turnsile coupler, it is characterised in that the frequency
Rate duplexer is the form of waveguide H faces branch.
9. the four port feed networks according to claim 1 based on turnsile coupler, it is characterised in that two frequencies
Waveguide bridge is connected in the low-frequency rectangular waveguide port and high frequency rectangular waveguide port of rate duplexer, so as to form circular polarisation
Four port feeds.
10. the four port feed networks according to claim 1 based on turnsile coupler, it is characterised in that two
Waveguide bridge is connected in the low-frequency rectangular waveguide port or high frequency rectangular waveguide port of frequency diplexer, so as to be formed while had
Four port feeds of circular polarisation and linear polarization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361565.2A CN107946716B (en) | 2017-12-18 | 2017-12-18 | Four-port feed source network based on cross revolving door coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361565.2A CN107946716B (en) | 2017-12-18 | 2017-12-18 | Four-port feed source network based on cross revolving door coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107946716A true CN107946716A (en) | 2018-04-20 |
| CN107946716B CN107946716B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711361565.2A Active CN107946716B (en) | 2017-12-18 | 2017-12-18 | Four-port feed source network based on cross revolving door coupler |
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Cited By (2)
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| CN113097678A (en) * | 2019-12-23 | 2021-07-09 | 罗森伯格技术有限公司 | Dual-frequency dual-polarization shunt |
| CN118554170A (en) * | 2024-07-26 | 2024-08-27 | 广东盛路通信科技股份有限公司 | Three-frequency dual-polarized antenna |
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| Publication number | Publication date |
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| CN107946716B (en) | 2023-03-14 |
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