CN108539341A - A kind of rectangle double ridged waveguide torsion transmission line - Google Patents
A kind of rectangle double ridged waveguide torsion transmission line Download PDFInfo
- Publication number
- CN108539341A CN108539341A CN201810270975.4A CN201810270975A CN108539341A CN 108539341 A CN108539341 A CN 108539341A CN 201810270975 A CN201810270975 A CN 201810270975A CN 108539341 A CN108539341 A CN 108539341A
- Authority
- CN
- China
- Prior art keywords
- transmission line
- axis
- electromagnetism
- hole
- channel
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
- H01P3/123—Hollow waveguides with a complex or stepped cross-section, e.g. ridged or grooved waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
Abstract
The invention discloses a kind of rectangle double ridged waveguides to reverse transmission line, including an at least input transmission line and an output transmission line and an electromagnetism channel.The input transmission line and output transmission line are connected to one in two end faces in electromagnetism channel respectively.The output transmission line is rotated by a certain angle determination about the z axis by the input transmission line.The input transmission line is rectangle double ridged waveguide.The electromagnetism channel is made of at least one branch.At least one branch route at least three and is constituted along the through-hole that Y-direction is connected to.The compact torsion transition in broadband that various waveguides, ridge waveguide and multi-ridge waveguide may be implemented in the torsion transmission line.In various communications and radar system present invention is mainly used for microwave, millimeter wave and terahertz wave band.
Description
Technical field
The present invention relates to a kind of electromagnetic wave elements, specifically, being to be related to a kind of matching connection to reverse certain angle around axis
The electromagnetic wave structure of two transmission lines of degree.
Background technology
In various electromagnetic wave systems, transmission line connects generally existing around the torsion of its axis.At transmission line torsion
The ghost effect brought, the signal in transmission line will be reflected.In order to realize the matching of torsion transmission line, need on the transmission line
Mating structure is set.
Existing match circuit is complicated, volume is big, and narrower bandwidth, especially in rectangular waveguide, single ridge rectangle
Waveguide, double ridge rectangular waveguides and four ridge rectangles, circular waveguide or elliptical waveguide, single ridge circular waveguide or elliptical waveguide, double ridge circular waveguides
Or in elliptical waveguide and four ridge circular waveguides or elliptical waveguide.
Invention content
The object of the present invention is to provide a kind of rectangle double ridged waveguides to reverse transmission line, and compared with prior art, structure is simpler
Single, processing is more convenient, working frequency is wide.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of rectangle double ridged waveguide torsion transmission line, includes an input transmission line being sequentially communicated along Z-direction and one
Output transmission line and at least one electromagnetism channel；The both ends of the surface in electromagnetism channel are respectively a plane A and plane B parallel to each other
A part；The input transmission line and output transmission line are connected to one in two end faces in electromagnetism channel respectively；It is described
Electromagnetism channel is made of at least one branch.At least one electromagnetic wave branch route at least three and is constituted along the through-hole that Y-direction is connected to.
The maximum length t in the electromagnetism channel is between any two points being located on the electromagnetism channel end faces Liang Ge
The maximum value of distance；The center operating frequency of the torsion transmission line is defined as SQRT (f1*f2)；Wherein f1 transmits for the torsion
The lowest operating frequency of line, f2 are the maximum operating frequency of the torsion transmission line, and SQRT is square root function；X-axis and Y-axis are located at
In the plane of one end face in the electromagnetism channel, and X-axis, Y-axis and Z axis meet the right-hand rule；The maximum width of arbitrary through-hole
The maximum length that line between any two points on the through-hole is projected in X-direction；The input terminal of input transmission line and output
The normal direction D and E of the end face of the output end of transmission line are respectively defined as axis direction and and signal at its end face geometric center
Flow direction is consistent.
The technology of the present invention can be used for the matching input transmission line feelings different with the cross-sectional shape of output transmission line
Condition.
Under normal circumstances, the number for increasing electromagnetism channel is conducive to obtain broader bandwidth or preferably matching.
Preferable situation, the number of the microwave channel are 1 enough.At this moment, the total length of mating structure is minimum.
But in order to obtain better matching, the number of the microwave channel is 2；One electromagnetic wave channel passes through
One end face is connected to an end face in another electromagnetic wave channel.
At this moment, preferable realization method, two microwave channels are arranged on the same metallic object.Numerical control can be passed through
Milling machine is machined from the both ends of the surface of entire microwave channel respectively respectively.
The input transmission line can be various types, including but not limited to rectangular waveguide or for single ridge rectangular waveguide or
For double ridge rectangular waveguides or it is cross waveguide or is square wave guide or is four ridge square wave guides or is elliptical waveguide or is that single ridge is ellipse
Circular waveguide or for double ridge elliptical waveguides or be four ridge circular waveguides, or be ridge gap waveguide.
The electromagnetism channel includes at least a branch, which route at least three and constituted along the through-hole that Y-direction is connected to；Along Y
The maximum width in direction, each through-hole is sequentially reduced, and is then increased.It is rotated according between the input transmission line and output transmission line
Angle it is different, at least one branch rotates by a certain angle about the z axis.
Sometimes, the electromagnetism channel includes two branches, and cross-sectional shape is X-shaped
The electromagnetism channel tool is there are one the plane of mirror symmetry for crossing Z axis or with mutually orthogonal two mirrors for crossing Z axis
As symmetrical plane.
The output transmission line cross section and the cross section of input transmission line are along clockwise or counterclockwise around Z axis rotation one
It is overlapped after a 20 degree~90 degree
Constitute the preferable selection of the through-hole of a branch in the electromagnetism channel, the cross section of at least one through-hole
Shape is rectangle.Or the cross-sectional shape of all through-holes is all rectangle.
Meanwhile each rectangular through-hole is connected to by its adjacent edge in the Y direction.
The electromagnetism channel constituted in this way, design process on the basis of keeping its flexibility, have very high modeling and
Optimization efficiency.
The present invention realizes various torsions using multiple rectangles or the interconnected electromagnetism channel constituted of other shapes of through-hole
Turn the matching of transmission line.Compared with existing similar scheme, its modeling optimization computational efficiency can be significantly improved.This electromagnetic wave
The volume smaller and bandwidth of operation of circuit are wider.The structure can be used for matching various torsion transmission lines, including coaxial line, square
Shape waveguide, circular waveguide, the rectangular waveguide or circular waveguide, SIW for adding ridge, micro-strip, band line etc., the advantage on matching effect and bandwidth is bright
It is aobvious.
Description of the drawings
Fig. 1 a are schematic diagram of the present invention.
Fig. 1 b are schematic diagram of the present invention.
Fig. 2 is the input transmission line cross-sectional view of the present invention-embodiment 1.
Fig. 3 is the input transmission line cross-sectional view of the present invention-embodiment 2.
Fig. 4 is the schematic diagram of the present invention-embodiment 3.
Fig. 5 is the lateral schematic diagram in the electromagnetism channel of the present invention-embodiment 3.
Attached figure label corresponds to title：2- input transmission lines, 22- metal ridges, 3- electromagnetism channel, 31- through-holes, 8- outputs
Transmission line.
Specific embodiment
Embodiment 1
As shown in Fig. 1 a, Fig. 1 b and Fig. 2.
A kind of rectangle double ridged waveguide torsion transmission line, includes an input transmission line 2 being sequentially communicated along Z-direction and one
Output transmission line 8 and an electromagnetism channel 3；The both ends of the surface in electromagnetism channel 3 are respectively a plane A and plane B parallel to each other
A part；The input transmission line 2 and output transmission line 8 are connected to one in two end faces in electromagnetism channel 3 respectively；Institute
Electromagnetism channel 3 is stated to be made of a branch.
The input transmission line 2 and output transmission line 8 are identical transmission line；The output transmission line 8 perpendicular to Z axis
Cross-sectional shape be rotated by 90 ° about the z axis with the cross-sectional shape perpendicular to Z axis of the input transmission line 2 it is rear identical.
The input transmission line 2 and output transmission line 8 are identical rectangular waveguide.
The electromagnetic wave branch route 5 through-holes 31 along Y-direction connection and constitutes.Then, the branch rotates 45 about the z axis
Degree.
Embodiment 2
As shown in Fig. 1 a, Fig. 1 b and Fig. 3.
This embodiment and the main distinction of embodiment 1 are only that the input transmission line 2 and output transmission line 8 are
Identical double ridge rectangular waveguides.
Embodiment 3
As shown in Figures 4 and 5.
The further specific implementation of this embodiment and embodiment 3.The input transmission line 2 and output transmission line 8 are
Identical double ridge rectangular waveguides.
The cross-sectional shape perpendicular to Z axis of the output transmission line 8 and the input transmission line 2 perpendicular to Z axis
Cross-sectional shape is rotated by 90 ° rear identical about the z axis.
The electromagnetism channel 3 is made of a branch.The branch route 17 rectangular through-holes and is interconnected on one side by it
It constitutes.The electromagnetism channel 3 has rotated 45 degree about the z axis.
The width of double ridge rectangular waveguides is 7.7 millimeters, is highly 3.3 millimeters.Metal ridge width is 1.93 millimeters.Metal ridge
Gap between top is 0.61 millimeter.It is only 0.83 millimeter of electromagnetism channel using length, in the work band of 15~45GHz
In width, maximum reflection coefficient is -23.3dB.
In order to describe the present invention, more embodiments can also be enumerated.In order to realize above-mentioned each embodiment, each through-hole
Shape may need accordingly to be changed according to processing method.For example, when being processed using CNC milling machine, internal crest line therein
It needs by lead angle.The radius of curvature of chamfering is several millimeters to 0.5 millimeter.If using linear cutter, these crest lines are also required to
It is radiused, only chamfering radius of curvature may diminish to 0.1 millimeter.In principle, every various implementations for meeting this paper claims
Belong to patent disclosure of the present invention.
Claims (7)
1. a kind of rectangle double ridged waveguide reverses transmission line, which is characterized in that include an input transmission being sequentially communicated along Z-direction
Line (2) and an output transmission line (8) and at least one electromagnetism channel (3)；The both ends of the surface in electromagnetism channel (3) are respectively mutual
A part of a parallel plane A and plane B；The input transmission line (2) and output transmission line (8) respectively with electromagnetism channel
(3) connection in two end faces；The electromagnetism channel (3) is made of at least one branch, at least one electromagnetic wave branch
The through-hole (31) that routing at least three is connected to along Y-direction is constituted；The maximum length t in the electromagnetism channel is to be located at the electromagnetism
The maximum value of the distance between any two points on the end face of (3) two, channel；The center operating frequency of the torsion transmission line defines
For SQRT (f1*f2)；Wherein f1 is the lowest operating frequency of the torsion transmission line, and f2 is the highest work frequency of the torsion transmission line
Rate, SQRT are square root function；X-axis and Y-axis are located in the plane of an end face in the electromagnetism channel (3), and X-axis, Y-axis and
Z axis meets the right-hand rule；Line of the maximum width of arbitrary through-hole (31) between any two points on the through-hole (31) is in the side X
To the maximum length of projection；The normal direction of the end face of the input terminal of input transmission line (2) and the output end of output transmission line (8)
D and E is respectively defined as at its end face geometric center axis direction and consistent with signal flow direction；The input transmission line (2)
For rectangle double ridged waveguide.
2. a kind of rectangle double ridged waveguide according to claim 1 reverses transmission line, which is characterized in that the electromagnetism channel is extremely
Include a branch less, which route the through-hole (31) that at least three is connected to along Y-direction and constitute；Along Y-direction, the maximum of each through-hole
Width is sequentially reduced, and is then increased.
3. a kind of rectangle double ridged waveguide according to claim 1 reverses transmission line, which is characterized in that described at least one
Road rotates by a certain angle about the z axis.
4. a kind of rectangle double ridged waveguide according to claim 1 reverses transmission line, which is characterized in that the electromagnetism channel packet
Two branches are included, cross-sectional shape is X-shaped.
5. a kind of rectangle double ridged waveguide according to claim 1 reverses transmission line, which is characterized in that the electromagnetism channel tool
There are one the plane of mirror symmetry for crossing Z axis or with mutually orthogonal two plane of mirror symmetry for crossing Z axis.
6. a kind of rectangle double ridged waveguide according to claim 1-6 any one reverses transmission line, which is characterized in that at least
The cross-sectional shape of one through-hole (31) is rectangle, and each rectangular through-hole (31) is connected to by its adjacent edge in the Y direction.
7. a kind of torsion transmission line of end face connection according to claim 1, which is characterized in that the output transmission line
(8) cross section and the cross section of input transmission line (2) are heavy after rotating one 20 degree~90 degree about the z axis clockwise or counterclockwise
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270975.4A CN108539341A (en) | 2018-03-29 | 2018-03-29 | A kind of rectangle double ridged waveguide torsion transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270975.4A CN108539341A (en) | 2018-03-29 | 2018-03-29 | A kind of rectangle double ridged waveguide torsion transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108539341A true CN108539341A (en) | 2018-09-14 |
Family
ID=63482452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810270975.4A Withdrawn CN108539341A (en) | 2018-03-29 | 2018-03-29 | A kind of rectangle double ridged waveguide torsion transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108539341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117452A (en) * | 2023-10-24 | 2023-11-24 | 中国工程物理研究院电子工程研究所 | Twisted waveguide for ridge waveguide interconnection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2493007A1 (en) * | 2010-02-16 | 2012-08-29 | Radiacion Y Microondas, S.A. | Polarisation rotator with multiple bowtie-shaped sections |
| CN204067524U (en) * | 2014-06-30 | 2014-12-31 | 成都赛纳赛德科技有限公司 | Twist and warping waveguide adaptor |
-
2018
- 2018-03-29 CN CN201810270975.4A patent/CN108539341A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2493007A1 (en) * | 2010-02-16 | 2012-08-29 | Radiacion Y Microondas, S.A. | Polarisation rotator with multiple bowtie-shaped sections |
| CN204067524U (en) * | 2014-06-30 | 2014-12-31 | 成都赛纳赛德科技有限公司 | Twist and warping waveguide adaptor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117452A (en) * | 2023-10-24 | 2023-11-24 | 中国工程物理研究院电子工程研究所 | Twisted waveguide for ridge waveguide interconnection |
| CN117117452B (en) * | 2023-10-24 | 2023-12-22 | 中国工程物理研究院电子工程研究所 | Twisted waveguide for ridge waveguide interconnection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108539341A (en) | A kind of rectangle double ridged waveguide torsion transmission line | |
| CN108511863A (en) | A kind of rectangular waveguide torsion transmission line | |
| CN108539347A (en) | A kind of four road power splitter of compact square wave guide | |
| CN108417948A (en) | A kind of four road ridge waveguide power splitter of rectangular waveguide based on metal ridge | |
| CN108511860A (en) | The torsion transmission line of one kind of multiple rotation angles | |
| CN108521006A (en) | A kind of rectangular waveguide transmission line ladder transition | |
| CN108521007A (en) | A kind of identical transmission line ladder transition of variables number | |
| CN108521003A (en) | A kind of rectangular waveguide bending transmission line | |
| CN108666726A (en) | A kind of four road ridge waveguide power splitter of double ridge rectangular waveguides based on metal ridge | |
| CN108417953A (en) | A kind of four road microstrip power divider of double ridge rectangular waveguides based on metal ridge | |
| CN108539332A (en) | A kind of four work device of compact rectangular waveguide | |
| CN108417949A (en) | A kind of four road power splitter of compact rectangular waveguide | |
| CN108598648A (en) | A kind of double four road ridge waveguide power splitters of ridge rectangular waveguide of compact | |
| CN108417952A (en) | A kind of coaxial power splitter in four tunnel of rectangular waveguide based on metal ridge | |
| CN108417950A (en) | A kind of double four coaxial power splitters in tunnel of ridge rectangular waveguide of compact | |
| CN108666723A (en) | A kind of double four road microstrip power dividers of ridge rectangular waveguide of compact | |
| CN109119734A (en) | A kind of four road ridge waveguide power splitter of rectangular waveguide based on metal ridge | |
| CN109119735A (en) | A kind of four road power splitter of compact rectangular waveguide | |
| CN108521009A (en) | A kind of compact three-port network of section connection | |
| CN108417951A (en) | A kind of four road microstrip power divider of compact rectangular waveguide | |
| CN108521004A (en) | A kind of double ridge rectangular waveguide dislocation transmission lines | |
| CN108539342A (en) | A kind of rectangular waveguide dislocation transmission line | |
| CN108461882A (en) | A kind of general dislocation transmission line | |
| CN108428992A (en) | A kind of compact three-port network of side connection | |
| CN108598649A (en) | A kind of four road ridge waveguide power splitter of compact rectangular waveguide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180914 |