CN207852871U - A kind of cross orthomode transducer of broadband - Google Patents
A kind of cross orthomode transducer of broadband Download PDFInfo
- Publication number
- CN207852871U CN207852871U CN201721871543.6U CN201721871543U CN207852871U CN 207852871 U CN207852871 U CN 207852871U CN 201721871543 U CN201721871543 U CN 201721871543U CN 207852871 U CN207852871 U CN 207852871U
- Authority
- CN
- China
- Prior art keywords
- waveguide
- cross
- rectangular waveguide
- length
- coupling aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Waveguide Aerials (AREA)
Abstract
The utility model discloses a kind of cross orthomode transducers of broadband, including the public circular waveguide of Ku/Ka frequency ranges；The coupler of the orthogonally polarized signal for detaching Ku frequency ranges is connected with below the public circular waveguide of Ku/Ka frequency ranges, the coupler includes the first rectangular waveguide and the second rectangular waveguide, first rectangular waveguide and the second rectangular waveguide is orthogonal overlaps to form cross-shaped configuration, and form an intermediate square cavities in orthogonal lap；The equal length of the length and the second rectangular waveguide of first rectangular waveguide；The both ends of first rectangular waveguide and the both ends of the second rectangular waveguide are respectively formed the first coupling aperture and the second coupling aperture；Circular waveguide is connected with by ridge waveguide below the coupler.The utility model can not only detach orthogonally polarized signal, and can come out low-and high-frequency Signal separator as a kind of frequency divider.
Description
Technical field
The utility model is related to double frequency shared feed network technical fields, and in particular to a kind of cross orthogonal mode of broadband
Converter.
Background technology
The development trend for being presently used for satellite communication earth station antenna technology is：To higher frequency band more broadband development, from
One-segment develops to multiband, develops to very small aperture antenna technology.In civil and military satellite communication research field, all need
Largely to use two-band, multiband common antenna.In these practical major projects, solve engineer application key technology it
One is exactly to share feed technology using two-band.In order to adapt to need in civil and military satellite communication field largely to use double frequency
Section, the current situation of multiband common antenna, two-band, which shares feed technology, has important engineering use value, is worth deeply
Analysis and discussion, wherein broadband cross orthomode transducer are the core components of double multiband feed network systems, main real
Now detach the function of orthogonally polarized signal and frequency dividing.
Existing routine cross orthomode transducer can detach orthogonally polarized signal in single band, in order to by the Xiang Gong
It can be deployed into two-band, be badly in need of a kind of novel wide-band cross orthomode transducer of modification.
Invention content
The technical problem to be solved by the present invention is to provide a kind of low-loss, points that be compact-sized, being easy to batch production
From orthogonally polarized signal and the cross orthomode transducer of the broadband with division function.
In order to achieve the above objectives, the technical solution of the utility model is as follows：
A kind of cross orthomode transducer of broadband, including the public circular waveguide of Ku/Ka frequency ranges；The Ku/Ka frequency ranges are public
The coupler of the orthogonally polarized signal for detaching Ku frequency ranges is connected with below concyclic waveguide, the coupler includes the first rectangle
Waveguide and the second rectangular waveguide, the first rectangular waveguide and the second rectangular waveguide is orthogonal overlaps to form cross-shaped configuration, and
Orthogonal lap forms an intermediate square cavities；The length of the length and the second rectangular waveguide of first rectangular waveguide
It spends equal；
The both ends of first rectangular waveguide are respectively equipped with the first coupling aperture, and the both ends of second rectangular waveguide are set respectively
There is the second coupling aperture；
Circular waveguide is connected with by ridge waveguide below the coupler, the ridge waveguide passes through for Ka frequency band signals；
The diameter of the circular waveguide be less than the public circular waveguide of Ku/Ka frequency ranges diameter, and the circular waveguide with it is described
Coupler communicates.
Further, also it is welded with the gold being connected with the intermediate square cavities in the intermediate square cavities of the coupler
Belong to partition.
Further, the metal spacer uses tetragonal structure, the centre position concave shape of the tetragonal structure
At square opening, the quadrangle of the square opening extends outwardly into groove body.
Further, further include that the impedance matching being inserted into respectively in each first coupling aperture and each second coupling aperture is visited
Needle.
Further, the length and the length of the second coupling aperture of first coupling aperture are unequal, and the impedance
With probe be inserted into the depth in first coupling aperture and the second coupling aperture and the first coupling aperture and the second coupling aperture length compared with
The length of small coupling aperture is identical.
Further, the impedance matching probe is metal cylinder structure.
Further, a diameter of 1mm-1.3mm of the metal cylinder structure, length 9mm-10mm.
Further, the ridge waveguide is double ridged waveguide.
Further, in the double ridged waveguide, the size of the upper layer ridge waveguide is respectively：Width is 4mm-4.5mm,
Height is 1.5mm-2mm, and the size of lower layer's ridge waveguide is respectively：Width is 1mm-1.5mm, is highly 1mm-1.5mm.
Further, in first rectangular waveguide and the second rectangular waveguide, the length of long side is 15mm-24mm, narrow side
Length be 5mm-15mm.
The beneficial effects of the utility model：
The broadband cross orthomode transducer of the use of the new type, be two-band, one of dual polarization satellite communication system
Critical component, it is compact-sized, index is functional, and due to its symmetrical structure, so for being not intended in the device
The higher mode of appearance has good inhibiting effect.Overall performance for improving antenna feeding system has very important work
Cheng Yiyi.
The Ku/Ka frequency range broadband cross orthomode transducers of the utility model, Ku receptions frequency range 12.25~
12.75GHz, Ku transmitting frequency range 14.0~14.5GHz, Ka reception 19.6~21.2GHz of frequency range, transmitting frequency range 29.4~
31.0GHz.In use, return loss is less than -10dB in desired bandwidth, cross polarization isolation is more than 33dB, Ku, Ka
The isolation of height frequency range is more than 32dB.And processing measured result coincide very much with optimization result of calculation.The device is whole laterally
Size is less than 50mm, and axial dimension is less than 25mm, is highly suitable for requiring to compare to two-band satellite communication system appearance and size
High occasion.
Description of the drawings
In order to illustrate more clearly of the utility model embodiment or art scheme in the prior art, below will to embodiment or
It is only some embodiments of the utility model that attached drawing needed to be used in the description of the prior art, which makees simply Jie's attached drawing, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of the cross orthomode transducer of broadband provided by the utility model；
Fig. 2 is the structural schematic diagram of metal spacer provided by the utility model；
Fig. 3 is a kind of return loss figure of the cross orthomode transducer of broadband provided by the utility model；
Number and the corresponding component title represented by letter in figure：
10, the public circular waveguide of Ku/Ka frequency ranges；11, coupler；1101, the first rectangular waveguide；1102, the second rectangular waveguide；
12, impedance matching probe；13, ridge waveguide；14, circular waveguide；15, intermediate square cavities；16, the first coupling aperture；17, the second coupling
Mouthful；20, metal spacer.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Shown in attached drawing 1-3, the utility model discloses a kind of cross orthomode transducers of broadband, including Ku/
The public circular waveguide of Ka frequency ranges 10；The public circular waveguide of Ku/Ka frequency ranges 10 can be with two kinds of cross polarization main mould signals of simultaneous transmission；
The coupler of the orthogonally polarized signal for detaching Ku frequency ranges is connected with below the public circular waveguide of Ku/Ka frequency ranges 10
11, specifically, coupler 11 includes the first rectangular waveguide 1101 and the second rectangular waveguide 1102, the first rectangular waveguide 1101 and the
Two rectangular waveguides 1102 are orthogonal to overlap to form cross-shaped configuration, and it is rectangular in orthogonal lap to form a centre
Inner cavity 15；The equal length of the length of first rectangular waveguide 1101 and the second rectangular waveguide 1102, it is symmetrical convenient for being formed
Structure.Since coupler 11 is symmetrical rectangular waveguide, each signal, which is divided, to be entered in symmetrical rectangular waveguide, 180 ° of phase difference；
Since rectangle guided wave lengths are different, in conjunction with symmetrical structure, convenient for inhibiting undesirable higher mode to enter in stub area.
The both ends of first rectangular waveguide 1101 are respectively equipped with the first coupling aperture 16, second rectangular waveguide 1102
Both ends are respectively equipped with the second coupling aperture 17；Specifically, two the first coupling apertures 16 and the second coupling aperture 17 form four arm coupling apertures；
And coupling aperture is pairs of, i.e., the half energy of each hole coupled signal, is ideally 3dB.It is mutually orthogonal by two pairs
Coupling aperture realize dual polarization work.The orthogonally polarized signal of Ku frequency ranges is separated by four arm；
11 lower section of the coupler is connected with circular waveguide 14 by ridge waveguide 13, and the ridge waveguide 13 is used for Ka frequency band signals
Pass through；
The diameter of the circular waveguide 14 is less than the diameter of the public circular waveguide of the Ku/Ka frequency ranges 10, due to circular waveguide 14
Diameter is smaller, and cutoff frequency is more than Ku band frequencies, so the signal of Ka frequency ranges can only be transmitted.
Further, the circular waveguide 14 is communicated with the coupler 11, due to may be coupled to by the circular waveguide 14
The conventional orthorhombic mode coupler of Ka frequency ranges, not this Applicant's Abstract graph coupler, to separate the orthogonally polarized signal of Ka frequency ranges.
According to the relationship of Ku/Ka frequency range circular waveguide cutoff wavelength and waveguide bore, the public circular waveguide mouth diameter of Ku/Ka frequency ranges
19.0mm is chosen, Ku, Ka frequency band signals are entered by the public circular waveguide mouth in orthomode transducer.
Further, it is also welded in the intermediate square cavities 15 of the coupler 11 and 15 phase of intermediate square cavities
Metal spacer 20 even.Metal partion (metp) 20 is connected with coupler by welding, allows the receiving and transmitting signal of Ka frequency ranges smooth
Pass through, and for the signal of Ku frequency ranges, since signal frequency is less than the cutoff frequency that metal partion (metp) can transmit, so Ku frequency ranges
Signal can not pass through, and play the role of a short circuit.
Further, the metal spacer 20 uses tetragonal structure, the centre position of the tetragonal structure to be recessed
Square opening is formed, the quadrangle of the square opening extends outwardly into groove body.
Wherein, the length of side of tetragonal structure is 19mm, is highly 0.3mm, and the length of side of square opening is 8.5mm, the depth of groove body
For 4.8mm.The corresponding metal spacer optimized, Ka frequency band signals can pass through, and play short circuit for Ku frequency band signals and make
With such Ku frequency band signals are reflected into four coupling arms of coupler 11.
By optimizing the shape and size of the metal spacer 20, the receiving and transmitting signal of Ka frequency ranges can effectively pass through, and for
The signal of the Ku frequency ranges metal spacer 20 plays a short-circuit effect, enters in symmetrical rectangular waveguide after signal reflex.
The utility model can not only detach orthogonally polarized signal, and a kind of frequency divider can be used as low-and high-frequency signal
It separates.
Further include being inserted into each first coupling aperture 16 and each second coupling aperture respectively to realize the impedance matching of port
Impedance matching probe 12 in 17.Impedance matching probe 12 inserts in rectangle guided wave, by the diameter and length that adjust the probe
To obtain the impedance matching in broadband.
Further, the length of first coupling aperture 16 and the length of the second coupling aperture 17 are unequal, and the resistance
Anti- matching probe 12 is inserted into depth and the first coupling aperture 16 and the second coupling in first coupling aperture, 16 and second coupling aperture 17
Heal up the smaller coupling aperture of length in 17 length it is identical.It is specific mainly by the size that adjusts impedance matching probe 12 and and
Position in rectangle coupling aperture improves port match.
Further, the impedance matching probe 12 is metal cylinder structure.
Further, a diameter of 1mm-1.3mm of the metal cylinder structure, length 9mm-10mm.Preferably, metal
The diameter 1.15mm of cylindrical structure, length 9.5mm.The corresponding preferred size, the return loss that 10 mouthfuls of public circular waveguide is smaller, can
The component being connect with the broadband cross orthomode transducer front and back end is set to reach good matching in very wide frequency range
Effect.
Further, in order to further improve impedance matching, the ridge waveguide 13 is double ridged waveguide.Ridge waveguide 13 can expire
Foot breadth frequency band single mode signal transmits, and can further improve impedance matching by the double-deck ridge waveguide
It is used by reasonably selecting the size of the double-deck ridge waveguide that can make it as a high-pass filter, Jin Jinyun
Perhaps the signal of Ka frequency ranges passes through.Therefore in the utility model, passed in the waveguide plus by way of ridge to increase waveguide single mode signal
Defeated bandwidth.In double ridged waveguide, the size of the upper layer ridge waveguide is respectively：Width is 4mm-4.5mm, is highly 1.5mm-
The size of 2mm, lower layer's ridge waveguide is respectively：Width is 1mm-1.5mm, is highly 1mm-1.5mm.
Preferably, slice width 4.2mm, high 1.7mm in ridge size；It is preferably good to correspond to this by lower slice width 1.2mm, high 1.3mm
Size, the ridge waveguide only allow the signal of Ka frequency ranges to pass through, and Ku frequency band signals are ended, and are equivalent to the work of a high-pass filter
With.
Further, in first rectangular waveguide, 1101 and second rectangular waveguide 102, the length of long side is 15mm-
The length of 24mm, narrow side are 5mm-15mm.
Preferably, first rectangular waveguide 1101, the second rectangular waveguide 1102 broadside be 19mm, narrow side 9.5mm.
According to one broadband cross orthomode transducer of the utility model Technology design, Ku receive frequency range 12.25~
12.75GHz, Ku transmitting frequency range 14.0~14.5GHz, Ka reception 19.6~21.2GHz of frequency range, transmitting frequency range 29.4~
31.0GHz.Use the 3 D electromagnetic simulation software CST optimization designs device.At the P1 of port, two quadrature linear polarization main mould letters
Number TE11V and TE11H is energized out.For the device, the index of our major concerns is return loss, insertion loss, friendship
Pitch polarization isolation and the isolation of Ku, Ka height frequency range.It is after optimization the result shows that return loss is small in desired bandwidth
In -10dB, cross polarization isolation is more than 33dB, and the isolation of Ku, Ka height frequency range is more than 32dB.And processing measured result
It coincide very much with optimization result of calculation.The device entirety lateral dimension is less than 50mm, and axial dimension is less than 25mm, meets compact
The requirement of two-band feeder system.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of cross orthomode transducer of broadband, which is characterized in that including the public circular waveguide of Ku/Ka frequency ranges（10）；Institute
State the public circular waveguide of Ku/Ka frequency ranges（10）Lower section is connected with the coupler of the orthogonally polarized signal for detaching Ku frequency ranges（11）,
The coupler（11）Including the first rectangular waveguide（1101）With the second rectangular waveguide（1102）, the first rectangular waveguide（1101）With
Second rectangular waveguide（1102）It is orthogonal to overlap to form cross-shaped configuration, and form a centre in orthogonal lap
Square cavities（15）；First rectangular waveguide（1101）Length and the second rectangular waveguide（1102）Equal length；
First rectangular waveguide（1101）Both ends be respectively equipped with the first coupling aperture（16）, second rectangular waveguide（1102）
Both ends be respectively equipped with the second coupling aperture（17）；
The coupler（11）Lower section passes through ridge waveguide（13）It is connected with circular waveguide（14）, the ridge waveguide（13）For Ka frequency ranges
Signal passes through；
The circular waveguide（14）Diameter be less than the public circular waveguide of Ku/Ka frequency ranges（10）Diameter, and the circular waveguide
（14）With the coupler（11）It communicates.
2. the cross orthomode transducer of a kind of broadband according to claim 1, which is characterized in that the coupler
（11）Intermediate square cavities（15）On be also welded with and the intermediate square cavities（15）Connected metal spacer（20）.
3. the cross orthomode transducer of a kind of broadband according to claim 2, which is characterized in that the metal spacer
（20）Using tetragonal structure, the centre position of the tetragonal structure is recessed to form square opening, and the quadrangle of the square opening is towards extension
It is stretched into groove body.
4. the cross orthomode transducer of a kind of broadband according to claim 1, which is characterized in that further include slotting respectively
Enter each first coupling aperture（16）With each second coupling aperture（17）Interior impedance matching probe（12）.
5. the cross orthomode transducer of a kind of broadband according to claim 4, which is characterized in that first coupling
Mouthful（16）Length and the second coupling aperture（17）Length it is unequal, and the impedance matching probe（12）It is inserted into first coupling
It heals up（16）With the second coupling aperture（17）Interior depth and the first coupling aperture（16）With the second coupling aperture（17）Middle length is smaller
The length of coupling aperture is identical.
6. the cross orthomode transducer of a kind of broadband according to claim 4, which is characterized in that the impedance matching
Probe（12）For metal cylinder structure.
7. the cross orthomode transducer of a kind of broadband according to claim 6, which is characterized in that the metal cylinder
A diameter of 1mm-1.3mm of structure, length 9mm-10mm.
8. the cross orthomode transducer of a kind of broadband according to claim 1, which is characterized in that the ridge waveguide
（13）For double ridged waveguide.
9. the cross orthomode transducer of a kind of broadband according to claim 8, which is characterized in that the double ridged waveguide
In, the size of upper layer ridge waveguide is respectively：Width is 4mm-4.5mm, is highly 1.5mm-2mm, the size point of lower layer's ridge waveguide
It is not：Width is 1mm-1.5mm, is highly 1mm-1.5mm.
10. the cross orthomode transducer of a kind of broadband according to one of claim 1-9, which is characterized in that described
First rectangular waveguide（1101）With the second rectangular waveguide（1102）In, the length of long side is 15mm-24mm, and the length of narrow side is
5mm-15mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871543.6U CN207852871U (en) | 2017-12-28 | 2017-12-28 | A kind of cross orthomode transducer of broadband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871543.6U CN207852871U (en) | 2017-12-28 | 2017-12-28 | A kind of cross orthomode transducer of broadband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852871U true CN207852871U (en) | 2018-09-11 |
Family
ID=63419350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721871543.6U Active CN207852871U (en) | 2017-12-28 | 2017-12-28 | A kind of cross orthomode transducer of broadband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852871U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799572A (en) * | 2020-09-08 | 2020-10-20 | 星展测控科技股份有限公司 | Dual-polarized open waveguide array antenna and communication device |
| CN115064856A (en) * | 2022-05-12 | 2022-09-16 | 中国电子科技集团公司第五十四研究所 | W-waveband self-tracking mode coupler |
| CN116565502A (en) * | 2023-07-11 | 2023-08-08 | 银河航天(西安)科技有限公司 | Cross coupler and feed source assembly |
| CN116581550A (en) * | 2023-07-11 | 2023-08-11 | 银河航天(西安)科技有限公司 | Feed source assembly and feed source system |
| WO2023246432A1 (en) * | 2022-06-22 | 2023-12-28 | 华为技术有限公司 | Cross-shaped feed connector, ortho-mode transducer and antenna |
-
2017
- 2017-12-28 CN CN201721871543.6U patent/CN207852871U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799572A (en) * | 2020-09-08 | 2020-10-20 | 星展测控科技股份有限公司 | Dual-polarized open waveguide array antenna and communication device |
| CN115064856A (en) * | 2022-05-12 | 2022-09-16 | 中国电子科技集团公司第五十四研究所 | W-waveband self-tracking mode coupler |
| WO2023246432A1 (en) * | 2022-06-22 | 2023-12-28 | 华为技术有限公司 | Cross-shaped feed connector, ortho-mode transducer and antenna |
| CN116565502A (en) * | 2023-07-11 | 2023-08-08 | 银河航天(西安)科技有限公司 | Cross coupler and feed source assembly |
| CN116581550A (en) * | 2023-07-11 | 2023-08-11 | 银河航天(西安)科技有限公司 | Feed source assembly and feed source system |
| CN116565502B (en) * | 2023-07-11 | 2023-09-22 | 银河航天(西安)科技有限公司 | Cross coupler and feed source assembly |
| CN116581550B (en) * | 2023-07-11 | 2023-11-24 | 银河航天(西安)科技有限公司 | Feed source assembly and feed source system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207852871U (en) | A kind of cross orthomode transducer of broadband | |
| CN108493602B (en) | Dual-polarized duplex antenna and dual-frequency base station antenna array formed by same | |
| US20210151890A1 (en) | A low-profile dual-polarization filtering magneto-electric dipole antenna | |
| CN106469848B (en) | A kind of broadband paster antenna based on double resonance mode | |
| CN107658568A (en) | Dual-band and dual-polarization Shared aperture waveguide trumpet planar array antenna | |
| CN105071006B (en) | A kind of new orthomode coupler | |
| CN110444840B (en) | Double-frequency differential band-pass filter based on stub load resonator | |
| CN109728425B (en) | Dual-polarized filtering patch antenna | |
| CN109888478B (en) | Multifunctional radio frequency device based on dual-polarized magneto-electric dipole | |
| CN208299028U (en) | A kind of dual-frequency base station antenna array of dual polarization duplexed antenna and its composition | |
| CN106898851B (en) | Hybrid electromagnetic based on half module substrate integrated wave guide couples duplexer | |
| CN113097678A (en) | Dual-frequency dual-polarization shunt | |
| CN115020986A (en) | High isolation duplex dual polarized antenna based on novel mixed ring feed | |
| US20100007432A1 (en) | Orthomode junction assembly with associated filters for use in an antenna feed system | |
| CN210866445U (en) | Dual-frequency dual-polarization shunt | |
| US20220384929A1 (en) | Dual-band dual-polarization splitter | |
| CN109473771B (en) | Planar omni-directional dipole duplex antenna | |
| CN104134836A (en) | Planar duplexer based on quarter-wavelength short circuit feeder | |
| US6538526B2 (en) | Transmission line connection structure, high frequency module, and communication device | |
| CN109378592A (en) | It is a kind of with the broad-band antenna array feeding network for stablizing beam angle and Sidelobe | |
| CN113193370B (en) | Self-duplex dielectric resonator antenna based on mode orthogonality | |
| CN113922020B (en) | Broadband high-rejection double-passband filter formed by C-type resonators | |
| CN206322828U (en) | One kind 92~96GHz orthomode couplers | |
| US20180248240A1 (en) | Compact antenna feeder with dual polarization | |
| CN206076460U (en) | A kind of plane CQ duplexer based on new matching network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |