CN209056580U - A kind of Wideband waveguide circular polarizer - Google Patents
A kind of Wideband waveguide circular polarizer Download PDFInfo
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- CN209056580U CN209056580U CN201821932004.3U CN201821932004U CN209056580U CN 209056580 U CN209056580 U CN 209056580U CN 201821932004 U CN201821932004 U CN 201821932004U CN 209056580 U CN209056580 U CN 209056580U
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- waveguide
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- wideband
- input port
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- 239000002184 metal Substances 0.000 claims abstract description 10
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 3
- 230000010363 phase shift Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 3
- 230000008447 perception Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000010287 polarization Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model proposes a kind of Wideband waveguide circular polarizers.Belong to field of communication technology, including broadband splitter, broad-band phase shifter, broadband combiner；Broadband splitter includes 4 rectangular waveguide output ports, and rectangular waveguide output port forms cross and is connected to below circular waveguide input port, and interconnecting piece and circular waveguide input port are arranged concentrically metal matching device；The lower end of broad-band phase shifter upper end connection broadband splitter, including the identical rectangular waveguide of 4 sizes, each rectangular waveguide width is identical as the duct width in broadband splitter, and several sawtooth are set at left and right sides of two waveguides on an opposite, several tooth sockets are arranged in two waveguide fronts on another opposite；Broadband combiner is identical with broadband splitter and circular waveguide input port dimensional structure respectively as circular waveguide output port, is successively set below broadband splitter.The circular polarizer is suitble to wideband operation, reduces the influence of higher mode, and isolation is high, and power capacity is high.
Description
Technical field
The utility model relates to the communications fields, more particularly to a kind of Wideband waveguide circular polarizer.
Background technique
Circular polarizer is widely applied important devices in the fields such as satellite communication, and effect is realized in feed system
Circularly polarised wave is converted to line polarization wave or line polarization wave is converted to circularly polarised wave by polarization conversion.Waveguide type circular polarizer
Have many advantages, such as that loss is low, power capacity is big, easy to process, reliable performance.
In recent years, with the rapid development of microwave communication, satellite communication and space technology, the working band of communication system is got over
Come wider, this proposes increasingly higher demands to the performance indicator of circular polarizer.Traditional circular polarizer includes medium inserted sheet
Type, metal insert type, pin type, barrier type etc..When these circular polarizer narrowband operations, easily designed and performance indicator is preferable,
But it is in wideband operation, difficult design and index is poor.Such as medium insert type circular polarizer is lost greatly when frequency is higher,
Stable structure is difficult；Metal insert type and pin type circular polarizer need to take into account phase, return loss and high order in wideband operation
Mould inhibits and is difficult to design, and index is undesirable；Barrier type circular polarizer in wideband operation, TE11 mould in square wave guide and
TM11 mould is difficult to inhibit, therefore the high-end Insertion Loss of frequency is big.
In order to solve problem above, the utility model proposes a kind of Wideband waveguide circular polarizers.The circular polarizer
It is suitble to wideband operation, reduces the influence of higher mode, isolation is high, and stable structure is reliable, and power capacity is high, and performance indicator is excellent
It is good, it is particularly suitable for satellite communication antenna-feeder system, has broad application prospects.
Utility model content
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of Wideband wave
Rounding polarizer successively includes circular waveguide input port, broadband splitter, broad-band phase shifter, broadband combiner from top to bottom
With circular waveguide output port, it is characterised in that: the broadband splitter includes 4 rectangular waveguide output ports, the rectangle
Output waveguide port forms cross and is connected to below circular waveguide input port, and interconnecting piece and circular waveguide input port are concentric
Metal matching device is set；
The lower end of the broad-band phase shifter upper end connection broadband splitter, including the identical rectangular waveguide of 4 sizes, each
Rectangular waveguide width is identical as the duct width in broadband splitter, also, sets at left and right sides of two waveguides on an opposite
Several sawtooth are set, several tooth sockets are arranged in two waveguide fronts on another opposite；
The broadband combiner and circular waveguide output port respectively with the broadband splitter and circular waveguide input terminal
Mouth dimensional structure is identical, is successively set below broadband splitter.
The circular waveguide input port uses two kinds of operating modes of TE11c mould and TE11s mould.
Preferably, the metal matching device is for matching circular waveguide input port and rectangular waveguide output port echo.
Preferably, the rectangular waveguide output port exports separated two opened kind mould of circular waveguide input port respectively
Formula, wherein on corresponding face two output ports output be same mould, and its output two mould constant amplitude reverse phases.
Preferably, the rectangular waveguide includes capacitive phase shifting equipment and perceptual phase shifting equipment, two squares on corresponding face
Shape waveguide uses same device, and is single mode operation, wherein filling using the phase shift of capacitive phase shifting equipment and using perceptual phase shift
Phase difference is 90 ° after setting phase shift.
Preferably, the circular waveguide input port and circular waveguide output port can also be square wave guide form.
Preferably, connection relationship: the broadband splitter is connected with broad-band phase shifter by forms such as flanges, and broadband is moved
Phase device is connected with broadband splitter, broadband combiner by form of flanges, and broadband combiner and broad-band phase shifter pass through flange
Etc. forms be connected.
It is in contrast to the prior art, the beneficial effects of the utility model are: passing through broadband splitter for circular waveguide
After TE11c mould and the separation of TE11s mould, wideband phase shift is carried out in rectangular waveguide respectively, the circular polarizer work belt realized
It is wide；Rectangular waveguide phase shifter is single mode area, and without the concern for the influence of higher mode, circular polarizer is easily designed, and is lost small；
Phase shift is carried out without using medium, stable structure is reliable；Furthermore waveguide type circular polarizer also has the advantages that power capacity is big.
Detailed description of the invention
Fig. 1 is the signal of the utility model embodiment Wideband waveguide circular polarizer broadband waveguide circular polarizer design scheme
Figure.
Fig. 2 is the signal of the utility model embodiment Wideband waveguide circular polarizer broadband waveguide circular polarizer working principle
Figure.
Fig. 3 is the utility model embodiment Wideband waveguide circular polarizer broadband waveguide circular polarizer overall structure figure.
Fig. 4 is the utility model embodiment Wideband waveguide circular polarizer broadband waveguide circular polarizer broadband splitter knot
Composition.
Fig. 5 is the utility model embodiment Wideband waveguide circular polarizer broadband waveguide circular polarizer broad-band phase shifter knot
Composition.
Fig. 6 is the utility model embodiment Wideband waveguide circular polarizer broadband waveguide circular polarizer broadband combiner knot
Composition.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of Wideband waveguide circular polarizer.The Wideband waveguide circular polarizer includes broadband splitter, width
Band phase shifter and broadband combiner.Broadband splitter is for separating two modes in circular waveguide or square wave guide；Broadband
Two modes that phase shifter is used to separate carry out phase shift respectively, generate ± 90 ° of phase differences；Broadband combiner is used for phase shift
Two modes afterwards merge into the double mode in circular waveguide or square wave guide, to realize that line circular polarisation is converted.The novel width
Band waveguide circular polarizer work belt is wide, is suitble to wideband operation, and small, index height is lost.
Fig. 1 is the design scheme schematic diagram of the utility model.Including broadband splitter 101, broad-band phase shifter 102 and broadband
Combiner 103.Broadband splitter 101 is for separating two modes in circular waveguide or square wave guide, after modal cutoff, two
A mode works independently；Two modes that broad-band phase shifter 102 is used to separate carry out phase shift respectively, generate ± 90 ° of phases
Difference；Broadband combiner 103 is used to two modes after phase shift merging into the double mode in circular waveguide or square wave guide.
Fig. 2 is the operation principle schematic diagram of the utility model.Left-hand circular polarization wave or dextrorotation entelechy are inputted including step 201
Change wave, step 202 left-hand circular polarization wave or right-handed circular polarization wave are separated into the modes of two autonomous workings, and step 203 is by step
The mode of two autonomous workings described in 202 carries out ± 90 ° of phase shifts respectively, and step 204 merges into line polarization wave.
Fig. 3 is the overall structure diagram of the utility model embodiment.Including broadband splitter 101, broad-band phase shifter
102, broadband combiner 103.
Fig. 4 is the broadband splitter structural schematic diagram of the utility model embodiment.1011 be circular waveguide input port, 1012
It is rectangular waveguide output port for metal matching device, 1013~1016.Two works of circular waveguide input port described in 1011
Operation mode is TE11c mould and TE11s mould；1012 metal matching devices are for matching circular waveguide input port echo；1013~
1016 rectangular waveguide output ports export two modes separated respectively, wherein TE11c modal cutoff described in 1011 is
TE10 mould in 1013 and 1,015 two rectangular waveguides, two TE10 mode constant amplitude reverse phases, TE11s modal cutoff described in 1012
For the TE10 mould in 1014 and 1,016 two rectangular waveguides, two TE10 mode constant amplitude reverse phases.
Fig. 5 is the broad-band phase shifter structural schematic diagram of the utility model embodiment.Including 1021~1024 He of rectangular waveguide
Waveguide E face curved 1025.Rectangular waveguide 1021 and 1023 uses capacitive phase shifting equipment 1026, and rectangular waveguide 1022 and 1024 is to use
Perceptual phase shifting equipment 1027.Rectangular waveguide 1021 (1023) and rectangular waveguide 1022 and 1024 generate -90 ° of phase differences after phase shift.
Perceptual phase shifting equipment can also be used in rectangular waveguide 1021 and 1023, use capacitive phase shift in rectangular waveguide 1022 and 1024
Device makes rectangular waveguide 1021 (1023) and+90 ° of phase differences of generation of rectangular waveguide 1022 and 1024 after phase shift.Rectangular waveguide
Be single mode operation in 1021~1024, without considering that higher mode inhibits, and phase shift only carried out to mode, be easy design and
Index is high.
Fig. 6 is the broadband combiner structure schematic diagram of the utility model embodiment.It is defeated including 1031~1034 rectangular waveguides
Inbound port, 1035 metal matching devices, 1036 circular waveguide output ports.
Circular polarizer described in 101~103 is only an embodiment of the present invention.1011 circular waveguide input port
And circular waveguide output port described in 1036 can also be square wave guide form.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of Wideband waveguide circular polarizer successively includes circular waveguide input port, broadband splitter, width from top to bottom
Band phase shifter, broadband combiner and circular waveguide output port, it is characterised in that: the broadband splitter includes 4 rectangular waves
Lead output port, the rectangular waveguide output port forms cross and is connected to below circular waveguide input port, interconnecting piece with
Circular waveguide input port is arranged concentrically metal matching device；
The lower end of the broad-band phase shifter upper end connection broadband splitter, including the identical rectangular waveguide of 4 sizes, each rectangle
Duct width is identical as the duct width in broadband splitter, if also, setting at left and right sides of two waveguides on an opposite
Dry sawtooth, several tooth sockets are arranged in two waveguide fronts on another opposite；
The broadband combiner and circular waveguide output port respectively with the broadband splitter and circular waveguide input port ruler
Very little structure is identical, is successively set below broadband splitter.
2. Wideband waveguide circular polarizer according to claim 1, it is characterised in that: the circular waveguide input port
Using two kinds of operating modes of TE11c mould and TE11s mould.
3. Wideband waveguide circular polarizer according to claim 1, it is characterised in that: the metal matching device is used for
Match circular waveguide input port and rectangular waveguide output port echo.
4. Wideband waveguide circular polarizer according to claim 1, it is characterised in that: the rectangular waveguide output port
The separated both of which opened of circular waveguide input port is exported respectively, wherein two output ports output on corresponding face is
Same mould, and two mould constant amplitude reverse phases of its output.
5. Wideband waveguide circular polarizer according to claim 1, it is characterised in that: the rectangular waveguide includes capacitive
Phase shifting equipment and perceptual phase shifting equipment, two rectangular waveguides on corresponding face use same device, and are single mode operation.
6. Wideband waveguide circular polarizer according to claim 1 or 5, it is characterised in that: use capacitive phase shifting equipment
Phase shift and after use perception phase shifting equipment phase shift phase difference for ± 90 °.
7. Wideband waveguide circular polarizer according to claim 1, it is characterised in that: the circular waveguide input port
It can also be square wave guide form with circular waveguide output port.
8. Wideband waveguide circular polarizer according to claim 1, it is characterised in that: connection relationship: the broadband point
Road device is connected with broad-band phase shifter by forms such as flanges, and broad-band phase shifter and broadband splitter, broadband combiner pass through method
Blue form is connected, and broadband combiner is connected with broad-band phase shifter by form of flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932004.3U CN209056580U (en) | 2018-11-22 | 2018-11-22 | A kind of Wideband waveguide circular polarizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932004.3U CN209056580U (en) | 2018-11-22 | 2018-11-22 | A kind of Wideband waveguide circular polarizer |
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| Publication Number | Publication Date |
|---|---|
| CN209056580U true CN209056580U (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821932004.3U Expired - Fee Related CN209056580U (en) | 2018-11-22 | 2018-11-22 | A kind of Wideband waveguide circular polarizer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767962A (en) * | 2019-10-30 | 2020-02-07 | 电子科技大学 | Circular waveguide TM11Mode exciter |
| CN111384476A (en) * | 2020-04-17 | 2020-07-07 | 成都国卫通信技术有限公司 | Circular waveguide circular polarizer loaded by slotting metal diaphragm |
| CN114709584A (en) * | 2021-11-18 | 2022-07-05 | 电子科技大学 | Ultra-wideband radial power divider based on circularly polarized TE11 mode |
-
2018
- 2018-11-22 CN CN201821932004.3U patent/CN209056580U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767962A (en) * | 2019-10-30 | 2020-02-07 | 电子科技大学 | Circular waveguide TM11Mode exciter |
| CN110767962B (en) * | 2019-10-30 | 2021-08-06 | 电子科技大学 | Circular waveguide TM11Mode exciter |
| CN111384476A (en) * | 2020-04-17 | 2020-07-07 | 成都国卫通信技术有限公司 | Circular waveguide circular polarizer loaded by slotting metal diaphragm |
| CN114709584A (en) * | 2021-11-18 | 2022-07-05 | 电子科技大学 | Ultra-wideband radial power divider based on circularly polarized TE11 mode |
| CN114709584B (en) * | 2021-11-18 | 2023-03-07 | 电子科技大学 | Ultra-wideband radial power divider based on circularly polarized TE11 mode |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 |