CN207517837U - 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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- CN207517837U CN207517837U CN201721765467.0U CN201721765467U CN207517837U CN 207517837 U CN207517837 U CN 207517837U CN 201721765467 U CN201721765467 U CN 201721765467U CN 207517837 U CN207517837 U CN 207517837U
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Abstract
The utility model 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 in 45 ° of angle, 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.The utility model excellent electrical property, processing is simple, the phases polarization separation such as can realize in a nearly frequency multiplication, the indexs such as standing wave, isolation, Insertion Loss are excellent, are a kind of important improvements to the prior art.
Description
Technical field
The utility model is related to observing and controlling of navigating, wireless communication and radio astronomy technical fields, particularly relate to a kind of based on ten
Four port feed networks of word revolving door coupler.
Background technology
It has generally been used, and with satellite frequency spectrum resource in fields transmit-receive sharings such as navigation observing and controlling, satellite communications
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.
Utility model content
In view of this, the utility model proposes a kind of four port feed networks based on turnsile coupler, structures
Simply, it is easy to process, it can be applied in antenna system realize dual-band and dual-polarization multiplexing.
Based on above-mentioned purpose, technical solution provided by the utility model is：
A kind of four port feed networks based on turnsile coupler export orthogonal mode coupling including broadband equiphase
Device, the broadband equiphase output orthomode coupler is three ends for including a circular waveguide port and two rectangular waveguide ports
Mouth cavity body structure, two rectangular waveguide ports of the broadband equiphase output orthomode coupler pass through one and turn polarization respectively
There are one frequency diplexer, two rectangular waveguide ports that the broadband equiphase exports orthomode coupler to exist the connection of waveguide piece
It in one plane and is mutually perpendicular to, for the polarized wave guide card that turns for one section of ridge waveguide, the frequency diplexer includes three rectangles
Waveguide port, the frequency diplexer are exported with broadband equiphase in connect toward each other two ports of orthomode coupler
Mandrel line overlaps and in 45 ° of angle, and the central plane for turning polarized wave guide card just turns polarized wave guide card by this and connect broadband etc.
The equidistant point of angle between phase output orthomode coupler port and frequency diplexer port.
Optionally, two rectangular waveguide ports of the broadband equiphase orthomode coupler are to the electricity of its circular waveguide port
Equal length, and be configured on spatial position 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 passes 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, and high and low two of input/output is used for 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
Mouth 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 wave in the low-frequency rectangular waveguide port of two frequency diplexers and high frequency rectangular waveguide port
Conducting bridge, so as to form four port feed of circular polarisation.
Optionally, it is connected to waveguide electricity in the low-frequency rectangular waveguide port of two frequency diplexers or high frequency rectangular waveguide port
Bridge, so as to form while have four port feeds of circular polarisation and linear polarization.
From narration above as can be seen that the advantageous effect of technical solutions of the utility model is：
The utility model using the dual polarization of turnsile coupler, ultra wide band characteristic, using turnsile coupler with
The scheme that frequency diplexer is combined realize a kind of dual polarization, four ports feed network, and turnsile coupler with
It is added among frequency diplexer and turns polarized wave guide card, make 45 °, two of whole network similar frequency bands of frequency diplexer polarization rotation
Polarization outlet is mutually parallel, and is easy to the installation of follow-up waveguide device, is particularly advantageous for realizing circular polarisation by connecting electric bridge, whole
A apparatus structure is simple and compact.
Experiment show the present apparatus 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 the utility model excellent electrical property, processing is simple, can be real in the two-band of nearly one frequency multiplication of span
The indexs such as existing dual polarization double frequency shared, standing wave, isolation, Insertion Loss are excellent, can use in frequency ranges such as L/S, S/C, X/Ku, Ku/Ka
It is change important to one kind of the prior art in the antenna system of the frequency ranges transmit-receive sharing such as double frequency shared or L, S, C, X, Ku, Ka
Into.
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 certain 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 apparent knot in these attached drawings of this patent
When structure is not consistent, needing the narration of common knowledge and this patent other parts with reference to this field, to carry out comprehensive descision be this on earth
There are exist to draw mistake in clerical mistake or attached drawing for the word segment of patent.Particularly, 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 in the case where not paying any creative work, these are new
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 utility model embodiment；
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 the utility model embodiment transfer polarized wave guide card connects two sections of waveguides, in figure
It show the structure of waveguide cavity；
Fig. 6 is the structure diagram of another feed network in the utility model embodiment；
Fig. 7 is the structure diagram of frequency diplexer in Fig. 6.
Specific 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 advantageous effect are clearer, and the protection domain of claims is made fully to be 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, including 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
For 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, still see Fig. 2, 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, the two to 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 there are four equally distributed rectangle coupled waveguide, four equally distributed squares for other end tool
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 specific length, there is convex ridge on 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 mutually parallel, two frequency diplexers
Rectangular waveguide port 3-3 be mutually parallel.
Still see Fig. 2, the rectangular waveguide mouth of broadband equiphase output orthomode coupler 1 is matched relative to circular waveguide center-biased
It puts, it is unchanged that waveguide sections is connected in addition to bent angle.In addition, rectangular waveguide can also be used in equiphase output orthomode coupler in broadband
The mode that mouth is configured relative to circular waveguide central symmetry, at this point, connection waveguide in one plane crosses through, and infall wave
It leads and narrows.
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 letters of a common rectangular waveguide port 5-1 input/output
Number, a rectangular waveguide port 5-2 input/output lower frequency segment signal and rectangular waveguide port 5-3 input/defeated
Go out upper frequency segment signal, the rectangular waveguide port 5-2 of two frequency diplexers is mutually parallel, the rectangle of two frequency diplexers
Waveguide port 5-3 is also mutually parallel.
In addition, it can be connected to wave in the low-frequency rectangular waveguide port of two frequency diplexers and high frequency rectangular waveguide port
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
Utility model has excellent electrical property.
It is to be appreciated that be intended merely to facilitate this field common for the above-mentioned narration for this patent specific 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 under 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 in more technical characteristics etc. mode, obtain more specific embodiments, all these specific implementations
Mode is within the covering scope of patent claims book, and therefore, these new specific 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 the art of this patent scheme is understood, 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 specific embodiment may only up to for the extent of disclosure of technical detail
The degree that can voluntarily make a decision to those skilled in the art, that is, there is no disclosed technical detail for above-mentioned specific 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 of those of ordinary skill in the art.
As it can be seen that even if these underground technical details, the open adequacy of the art of this patent scheme will not be impacted.
In short, on the basis of patent specification is combined to the explanation effect of claims protection domain, 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, which is characterized 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
It leads port in one plane and is mutually perpendicular to, for one section of ridge waveguide, the frequency diplexer includes the polarized wave guide card that turns
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 in 45 ° of angle, 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, which is characterized 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 spatial position
On relative to circular waveguide center-biased be configured.
3. the four port feed networks according to claim 2 based on turnsile coupler, which is characterized in that the width
Band equiphase orthomode coupler includes a turnsile connector, and the turnsile connector includes being used to form the round wave
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
It is passed crosswise in face and infall waveguide narrows.
4. the four port feed networks according to claim 1 based on turnsile coupler, which is characterized in that the ridge
The broadside of waveguide is respectively greater than the broadside and narrow side of the rectangular waveguide port that are attached thereto with narrow side.
5. the four port feed networks according to claim 1 based on turnsile coupler, which is characterized in that the frequency
Rate duplexer is three port devices, including a common rectangular wave for high and low two frequency band signals of input/output
Lead port, one for input/output lower frequency segment signal low-frequency rectangular waveguide port and one for input/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, which is characterized 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, which is characterized 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, which is characterized 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, which is characterized in that two frequencies
Waveguide bridge is connected in the low-frequency rectangular waveguide port of rate duplexer and high frequency rectangular waveguide port, so as to form circular polarisation
Four port feeds.
10. the four port feed networks according to claim 1 based on turnsile coupler, which is characterized in that two
Waveguide bridge is connected in the low-frequency rectangular waveguide port of frequency diplexer or high frequency rectangular waveguide port, so as to be formed while had
Four port feeds of circular polarisation and linear polarization.
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| CN107946716A (en) * | 2017-12-18 | 2018-04-20 | 中国电子科技集团公司第五十四研究所 | A kind of four port feed networks based on turnsile coupler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107946716A (en) * | 2017-12-18 | 2018-04-20 | 中国电子科技集团公司第五十四研究所 | A kind of four port feed networks based on turnsile coupler |
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