CN207705392U - Waveguide polarization converter - Google Patents
Waveguide polarization converter Download PDFInfo
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- CN207705392U CN207705392U CN201721841916.5U CN201721841916U CN207705392U CN 207705392 U CN207705392 U CN 207705392U CN 201721841916 U CN201721841916 U CN 201721841916U CN 207705392 U CN207705392 U CN 207705392U
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Abstract
The utility model discloses a kind of Waveguide polarization converters, it is characterized in that, including upper waveguide, upper polarization piece, lower polarization piece and lower waveguide, upper and lower waveguide and upper and lower polarization piece are fixed on same central axes, and the upper and lower piece that polarizes is separately positioned between upper and lower waveguide；There is angle between waveguide and polarization piece.The utility model is simple in structure, can realize polarized change by simply rotating a component, is conducive to simplify operating procedure, cost-effective.
Description
Technical field
The utility model is related to technical field of communication equipment, especially a kind of Waveguide polarization converter.
Background technology
Rectangular waveguide is a kind of important transmission mode of communication system, is applied in many microwave device equipment, it is desirable that logical
Crossing a kind of simple conversion regime can transmit to realize under different polarization, such as in the product of microwave high-frequency combiner
In be exactly a kind of most common practical way, traditional design scheme is different by replacing when horizontal and vertical polarization
Polarization piece, or turn 45 degree using same polarization piece, the waveguide of outlet needs to turn 90 degrees, these methods are required at least changing
2 components realize polarized conversion.Therefore a kind of superior performance, polarization rotation approach easy to operate have in practical applications
Extraordinary Experience value.
Invention content
The purpose of this utility model is exactly to solve the deficiency of the prior art and a kind of Waveguide polarization converter for providing,
Polarized change can be realized by once rotating, and electrical property does not influence, the advantage for having processing simple, at low cost.
The utility model is to realize above-mentioned purpose using following technical solution：A kind of Waveguide polarization converter,
It is characterized in that, including upper waveguide, upper polarization piece, lower polarization piece and lower waveguide, upper and lower waveguide and upper and lower polarization piece are fixed on together
On one central axes, the upper and lower piece that polarizes is separately positioned between upper and lower waveguide；Waveguide and polarization piece are at a certain angle.
As a further illustration of the above scheme, the structure of the upper and lower polarization piece is consistent, it is opposite in polarization conversion
Angle remains 45 degree.
Further, upper waveguide and upper polarization piece are combined into component, and lower waveguide and lower polarization piece become lower component, upper component
Relative angle with lower component can match when being 0 degree and 90 degree, can easily realize very much polarization conversion.
Further, the polarization piece is the both ends laminated structure slightly wider than centre, and the thickness for the piece that polarizes is 1/4 wave
Guide wavelength.
Further, upper waveguide and lower waveguide angle are 90 degree.
Further, upper waveguide and lower waveguide the band angle in low frequency end (42G) and following frequency range, convenient and polarization up and down
Piece is disposably process using CNC.
Further, it must combine closely between upper waveguide, upper polarization piece, lower polarization piece and lower waveguide all parts.
The utility model is using the attainable advantageous effect of above-mentioned technical solution institute：
The polarization converter that the utility model uses is broadly divided into waveguide, upper polarization piece, lower polarization piece and lower waveguide four
Part, wherein upper and lower waveguide and the piece that polarizes up and down are fixed between same central axes, and the size for the piece that polarizes up and down is completely the same,
Only the relative angle in polarization conversion remains 45；Wherein upper waveguide and upper polarization piece be combined into component, lower waveguide and under
The piece that polarizes becomes lower component, and the relative angle of upper component and lower component can match when being 0 degree and 90 degree, can very easily
Realize polarization conversion.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model or more polarization piece；
Structural schematic diagram when Fig. 2 is the utility model horizontal polarization position；
Structural schematic diagram when Fig. 3 is the utility model vertical polarization position；
Fig. 4-Isosorbide-5-Nitrae-2,4-3 is the structural schematic diagram of the utility model all parts angle in horizontal polarization
Fig. 5 is the return loss performance figure of the utility model horizontal polarization position in 15GHz frequency ranges；
Fig. 6 is the return loss performance figure of the utility model vertical polarization position in 15GHz frequency ranges.
Reference sign：101, upper waveguide 102, upper polarization piece 103, lower polarization piece 104, lower waveguide.
Specific implementation mode
The technical program is explained in detail below in conjunction with specific embodiment.
As shown in figs 1 to 6, the utility model is that the following will be combined with the drawings in the embodiments of the present invention, to this practicality
Technical solution in new embodiment is clearly and completely described, and please refers to Fig.1 to Fig.4, and the utility model Waveguide polarization turns
Parallel operation includes 104 4 upper waveguide 101, upper polarization piece 102, lower polarization piece 103, lower waveguide components, four components both relative to
Central axes rotational symmetry, sequence from top to bottom are followed successively by waveguide, upper polarization piece, lower polarization piece, lower waveguide.Wherein upper waveguide
Upper component is synthesized with upper polarization piece, lower polarization piece and lower waveguide synthesize lower component, fitted closely between all parts；
In the technical program, keep lower polarization piece 103 and lower 104 position of waveguide motionless, by upper waveguide 101 and upper polarization piece
102 rotate integrally 90 degree, you can to realize polarization conversion；
The monnolithic case of upper polarization piece 102 and lower polarization piece 103 is completely the same, is both ends 8 fonts slightly wider than centre
Structure can keep overlapping between upper polarization piece and lower polarization piece by rotating 45 degree of positions；
Specifically, the state for please referring to Fig. 2 horizontal polarizations (same polarization), sees from the bottom up, lower polarization piece 103 and lower waveguide
104 is fixed, lower polarization piece 103 and 22.5 degree of lower waveguide 104 polarization rotation, upper polarization piece 102 and lower 103 phase of polarization piece
Difference -45 is spent, and upper waveguide 101 and upper polarization piece 102 differ 22.5 degree, the polarizing angle between all upper waveguides 101 and lower waveguide 104
Degree difference is 0 degree, is horizontal polarization (same polarization) state；
The state for please referring to Fig. 3 vertical polarizations (heteropolar), sees from the bottom up, and lower polarization piece 103 and lower waveguide 104 are fixed
Motionless, 22.5 degree of lower polarization piece 103 and lower waveguide 104 polarization rotation, upper polarization piece 102 and lower polarization piece 103 differ 45 degree, on
Waveguide 101 and upper polarization piece 102 differ 22.5 degree, and the polarisation angles difference between all upper waveguides 101 and lower waveguide 104 is 90
Degree is vertical polarization (heteropolar) state；
The technical program insertion loss before and after polarization rotates is low, and return loss is small, simple in structure, easy to operate, in work
There is extensive dissemination in Cheng Yingyong, applied than wide, in 42G frequencies below especially in microwave combiner system
This method may be used to realize in Duan Jun；Fig. 5 and Fig. 6 respectively shows (same in the frequency range horizontal polarization by taking 15GHz frequency ranges as an example
Polarization) and vertical polarization (heteropolar) return loss performance figure.
Compared with prior art, the polarization converter of use is broadly divided into waveguide, upper polarization piece, lower pole to the utility model
Change piece and four part of lower waveguide, wherein upper and lower waveguide and the piece that polarizes up and down are fixed between same central axes, and polarize piece up and down
Size is completely the same, and only the relative angle in polarization conversion remains 45 degree；Wherein upper waveguide and upper polarization piece are combined into
Component, lower waveguide and lower polarization piece become lower component, when the relative angle of upper component and lower component is 0 degree and 90 degree can
Match, can easily realize very much polarization conversion.
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (9)
1. a kind of Waveguide polarization converter, which is characterized in that including upper waveguide, upper polarization piece, lower polarization piece and lower waveguide, upper,
Lower waveguide and upper and lower polarization piece are fixed on same central axes, and the upper and lower piece that polarizes is separately positioned between upper and lower waveguide；Waveguide
There is angle between polarization piece.
2. a kind of Waveguide polarization converter according to claim 1, which is characterized in that the structure of the upper and lower polarization piece
Unanimously, the relative angle in polarization conversion remains 45 degree.
3. a kind of Waveguide polarization converter according to claim 1, which is characterized in that upper waveguide and upper polarization piece are combined into
Component, lower waveguide and lower polarization piece become lower component, when the relative angle of upper component and lower component is respectively 0 degree and 90 degree
Match.
4. a kind of Waveguide polarization converter according to claim 1, which is characterized in that upper waveguide and upper polarization piece are combined into
The relative angle of one entirety, the two is 22.5 degree；Lower waveguide and lower polarization piece are combined into an entirety, the relative angle of the two
Also it is 22.5 degree.
5. a kind of Waveguide polarization converter according to claim 1, which is characterized in that the polarization piece is a both ends ratio
Intermediate slightly wide laminated structure.
6. a kind of Waveguide polarization converter according to claim 1, which is characterized in that the thickness for the piece that polarizes is 1/4 waveguide
Wavelength.
7. a kind of Waveguide polarization converter according to claim 1, which is characterized in that above waveguide and lower waveguide angle are 90
Degree；The relative angular difference of polarization piece is 45 degree up and down.
8. a kind of Waveguide polarization converter according to claim 1, which is characterized in that see from the bottom up, lower waveguide is in
Horizontal polarization position, by lower polarization piece by 22.5 degree of polarization rotation, upper polarization piece rotation -45 is spent, and upper waveguide rotates 22.5 again
Degree, polarization direction remain unchanged；It sees from the bottom up, lower waveguide is in horizontal polarization position, is rotated polarization by lower polarization piece
22.5 degree, upper polarization piece rotates 45 degree, and upper waveguide rotates 22.5 degree again, and polarization direction becomes vertical polarization.
9. a kind of Waveguide polarization converter according to claim 1, which is characterized in that upper waveguide, upper polarization piece, lower polarization
It must combine closely between piece and lower waveguide all parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841916.5U CN207705392U (en) | 2017-12-26 | 2017-12-26 | Waveguide polarization converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721841916.5U CN207705392U (en) | 2017-12-26 | 2017-12-26 | Waveguide polarization converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705392U true CN207705392U (en) | 2018-08-07 |
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ID=63028697
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721841916.5U Active CN207705392U (en) | 2017-12-26 | 2017-12-26 | Waveguide polarization converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232464A (en) * | 2017-12-26 | 2018-06-29 | 广东盛路通信科技股份有限公司 | Waveguide polarization converter |
| CN110021825A (en) * | 2019-03-22 | 2019-07-16 | 湖北楚航电子科技有限公司 | A kind of microwave polarization converter |
-
2017
- 2017-12-26 CN CN201721841916.5U patent/CN207705392U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232464A (en) * | 2017-12-26 | 2018-06-29 | 广东盛路通信科技股份有限公司 | Waveguide polarization converter |
| CN108232464B (en) * | 2017-12-26 | 2024-04-09 | 广东盛路通信科技股份有限公司 | Waveguide Polarization Converter |
| CN110021825A (en) * | 2019-03-22 | 2019-07-16 | 湖北楚航电子科技有限公司 | A kind of microwave polarization converter |
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