CN108428988A - A kind of double ridge rectangular waveguide line adapter units of list - Google Patents
A kind of double ridge rectangular waveguide line adapter units of list Download PDFInfo
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- CN108428988A CN108428988A CN201810271882.3A CN201810271882A CN108428988A CN 108428988 A CN108428988 A CN 108428988A CN 201810271882 A CN201810271882 A CN 201810271882A CN 108428988 A CN108428988 A CN 108428988A
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- rectangular waveguide
- electromagnetic wave
- transmission line
- wave channel
- ridge rectangular
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- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 35
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
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Abstract
The invention discloses a kind of double ridge rectangular waveguide line adapter units of list, interconnect the electromagnetic wave channel of composition using multiple rectangles or other shapes of through-hole to match the transmission line of various different structures.A piece transmission line is single ridge rectangular waveguide, and metal ridge is connected with the bottom of the list ridge rectangular waveguide transmission line；Another transmission line is double ridge rectangular waveguides, two metal ridge is connected with the bottom and top of double ridge rectangular waveguide transmission lines respectively.Compared with existing similar scheme, its modeling optimization computational efficiency can be significantly improved.The volume smaller and bandwidth of operation of this line adapter unit are wider.Present invention is mainly used in the communication and radar system of each electromagnetic wave, 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 compact line adapter unit.
Background technology
In various electromagnetic wave systems, the switching problem generally existing of various transmission lines.Between traditional different transmission lines
Switching frequently with more piece transmission line matching way, often save level-one of the transmission line as impedance transformer, length is its waveguide wave
Long 1/4.Since the wavelength of the transmission line of general microwave frequency is long, especially in low frequency microwave frequency range, routine techniques is led
Cause the volume of adapter bigger.
Invention content
The technical problem to be solved by the present invention is to a kind of compact line adapter units, compared with prior art, structure
Simpler, processing is more convenient, working frequency is wider.
The present invention is achieved through the following technical solutions：
A kind of double ridge rectangular waveguide line adapter units of list, including two transmission lines and at least one electromagnetic wave channel；Electricity
The both ends of the surface in magnetic wave channel are a flat surface a part of A and plane B respectively；One end of each transmission line and an electromagnetism
The one end in wave channel is connected to；The arbitrary electromagnetic wave channel is made of at least one branch, and at least one branch route at least three
Through-hole along Y-direction connection is constituted；The maximum length t in the electromagnetic wave channel is to be located at the electromagnetic wave channel end faces Liang Ge
On any two points between line projected length in z-direction maximum value；The central task frequency of the line adapter unit
Rate is defined as SQRT (f1*f2)；Wherein f1 is the lowest operating frequency of the line adapter unit, and f2 is the line adapter unit
Maximum operating frequency, SQRT are square root function；X-axis and Y-axis in the plane of an end face in electromagnetic wave channel, and X-axis,
Y-axis and Z axis meet the right-hand rule；Section of the electromagnetic wave channel on X/Y plane is its cross section；The maximum of arbitrary through-hole
Width is the maximum length that the line between any two points on the through-hole is projected in X-direction；The input terminal of input transmission line and
The normal direction D and E of the end face of the output end of output transmission line be respectively defined as at its end face geometric center axis direction and with
Signal flow direction is consistent.
Preferably design：The number of the microwave channel is 2；One electromagnetic wave channel is by one end face and separately
One end face in one electromagnetic wave channel is connected to.
For the ease of ensureing that the machining accuracy of the line adapter unit, two microwave channels are arranged in the same gold
Belong on body.
The line adapter unit is closely：The maximum length t of the arbitrary microwave channel is less than the microwave matching knot
0.2 times of wavelength in the corresponding free space of center operating frequency of structure.
Preferably design：The number of the microwave channel is 2；One electromagnetic wave channel is by one end face and separately
One end face in one electromagnetic wave channel is connected to.
For the ease of ensureing that the machining accuracy of the line adapter unit, two microwave channels are arranged in the same gold
Belong on body.
The transmission line and transmission line are different transmission lines, including but not limited to coaxial line, rectangular coaxial line, rectangular wave
Lead, single ridge rectangular waveguide, double ridge rectangular waveguides, four ridge square wave guides, square wave guide, cross waveguide, elliptical waveguide, single ridge elliptical wave
Lead, double ridge elliptical waveguides, circular waveguide, single ridge circular waveguide, double ridge circular waveguides, four ridge circular waveguides, ridge gap waveguide etc..
Alternatively, the transmission line is single ridge rectangular waveguide；The metal ridge of a piece transmission line and the list ridge rectangular wave
The bottom for leading transmission line is connected；The metal ridge of another transmission line is connected with the top of the list ridge rectangular waveguide transmission line.
The line adapter unit realizes the switching of the single ridge rectangular waveguide of the opposite difference in metal ridge position.
Or a transmission line is single ridge rectangular waveguide；Another transmission line is double ridge rectangular waveguides；It is described
The metal ridge of single ridged waveguides transmission line is connected with the bottom of the single ridged waveguides transmission line；The gold of double ridge rectangular waveguide transmission lines
Belong to ridge to be respectively connected with the bottom and top of double ridge rectangular waveguide transmission lines.
Or a transmission line is coaxial transmission line；Another transmission line is rectangular waveguide.The transmission line
Adapter realizes coaxial line and the compact of rectangular waveguide is transferred.
Alternatively, a transmission line is cross waveguide；Another transmission line is four ridge square wave guides.
Alternatively, a transmission line is four ridge square wave guides；Another transmission line is circular waveguide.
Alternatively, a transmission line is square wave guide；Another transmission line is circular waveguide.
Alternatively, a transmission line is rectangular waveguide；Another transmission line is circular waveguide.
Alternatively, a transmission line is coaxial line；Another transmission line is rectangular coaxial line.
Alternatively, a transmission line is rectangular waveguide；Another transmission line is four ridge square wave guides.
Alternatively, a transmission line is rectangular waveguide；Another transmission line is cross waveguide.
Alternatively, a transmission line is ridge waveguide；Another transmission line is ridge gap waveguide.
Preferably design, the electromagnetic wave channel include at least a branch, which route 5 along the logical of Y-direction connection
Hole is constituted；Along Y-direction, the maximum width of each through-hole is sequentially increased, reduces, increases, reduces.
Alternatively, the electromagnetic wave channel includes at least a branch, which route the logical structure that at least seven is connected to along Y-direction
At；Along Y-direction, the maximum width of each through-hole is sequentially increased, reduces, reduces, increases, increases, reduces.
Alternatively, the electromagnetic wave channel includes at least a branch, which route 9 through-holes along Y-direction connection and constitutes；
Along Y-direction, the maximum width of each through-hole is sequentially increased, increases, reduces, reduces, increases, increases, reduces, reduces.
The electromagnetic wave channel or so mirror symmetry.
It the electromagnetic wave channel can also be at upper and lower mirror symmetry.
For the ease of modeling optimization, the cross-sectional shape of at least one through-hole is rectangle.
Each rectangular through-hole is connected to by its adjacent edge in the Y direction.
Specific to the cross-sectional shape in every electromagnetism channel, can be respectively：Two electricity that mutually disconnected branch is constituted
Magnet passage, electromagnetism channel that two intersection branches are constituted, hollow, three cross one another branches constitute electromagnetism channel, rectangle
The left and right that through-hole is constituted and the electromagnetism channel symmetrical above and below etc. that all symmetrical electromagnetism channel and rectangular through-hole are constituted up and down.
The electromagnetic wave channel that the present invention interconnects composition using multiple rectangles or other shapes of through-hole is various to match
Transmission line.Compared with existing similar scheme, its modeling optimization computational efficiency can be significantly improved.This line adapter unit
Volume smaller and bandwidth of operation is wider.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is the electromagnetism access diagram of the present invention.
Fig. 3 is two electromagnetism access diagrams of the present invention.
Fig. 4 a are the coaxial line schematic diagram of the present invention.
Fig. 4 b are the rectangular coaxial line schematic diagram of the present invention.
Fig. 4 c are the square wave guide schematic diagram of the present invention.
Fig. 4 d are single ridge rectangular waveguide schematic diagram of the present invention.
Fig. 4 e are double ridge rectangular waveguide schematic diagrames of the present invention.
Fig. 4 f are the four ridge square wave guide schematic diagrames of the present invention.
Fig. 4 g are the square wave guide schematic diagram of the present invention.
Fig. 4 h are the cross waveguide schematic diagram of the present invention.
Fig. 4 i are the elliptical waveguide schematic diagram of the present invention.
Fig. 4 j are single ridge elliptical waveguide schematic diagram of the present invention.
Fig. 4 k are double ridge elliptical waveguide schematic diagrames of the present invention.
Fig. 4 l are the circular waveguide schematic diagram of the present invention.
Fig. 4 m are single ridge circular waveguide schematic diagram of the present invention.
Fig. 4 n are double ridge circular waveguide schematic diagrames of the present invention.
Fig. 4 o are the four ridge circular waveguide schematic diagrames of the present invention.
Fig. 5 a are the schematic diagram of the present invention-embodiment 1.
Fig. 5 b are the schematic diagram of the present invention-embodiment 1.
Fig. 5 c are the schematic diagram of the present invention-embodiment 1.
Fig. 5 d are the schematic diagram of the present invention-embodiment 1.
Fig. 6 is the schematic diagram of the present invention-embodiment 2.
Fig. 7 is the electromagnetism access diagram of the present invention-embodiment 2.
Fig. 8 is 2 four ridge square wave guide schematic diagram of the present invention-embodiment.
Fig. 9 is the schematic diagram of the present invention-embodiment 3.
Figure 10 is the electromagnetism access diagram of the present invention-embodiment 3.
Figure 11 is double ridge rectangular waveguide schematic diagrames of the present invention-embodiment 3.
Figure 12 is the electromagnetism access diagram of the branch of the present invention.
Figure 13 is the electromagnetism access diagram that two intersection branches of the present invention are constituted.
Figure 14 is two electromagnetism access diagrams that mutually disconnected branch is constituted of the present invention.
Figure 15 is two intersection branches composition of the present invention, hollow electromagnetism access diagram.
Figure 16 is 4 schematic diagram of the present invention-embodiment.
Figure 17 is 4 schematic diagram of the present invention-embodiment.
Figure 18 is 4 schematic diagram of the present invention-embodiment.
Label and corresponding parts title in attached drawing：
2- transmission lines, 21- coaxial inner conductors, 22- metal ridges, 3- electromagnetism channel, 31- through-holes.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
Such as Fig. 1~3, shown in Fig. 4 a~4o, Fig. 5 a~5d.
Fig. 4 a~4o are existing transmission line sectional view.
A kind of double ridge rectangular waveguide line adapter units of list, including a transmission line 2, another transmission line 2 and to one
Electromagnetic wave channel 3.The both ends of the surface in the electromagnetic wave channel 3 are a flat surface a part of A and plane B respectively.The each transmission
One end of line 2 is connected to the one end in electromagnetic wave channel 3.
The line adapter unit is closely：The maximum length t of the microwave channel is less than the microwave matching structure
0.2 times of wavelength in the corresponding free space of center operating frequency.
The transmission line 2 is single ridge rectangular waveguide；The metal ridge 22 of a piece transmission line 2 and the list ridge rectangular waveguide
The bottom of transmission line 2 is connected；The top phase of the metal ridge 22 of another transmission line 2 and the list ridge rectangular waveguide transmission line 2
Even.The line adapter unit realizes the switching of the single ridge rectangular waveguide of the opposite difference in metal ridge position.
The electromagnetic wave channel includes a branch, which route 5 through-holes 31 along Y-direction connection and constitute；Along the side Y
To the maximum width of each through-hole is sequentially increased, reduces, increases, reduces.
The electromagnetic wave channel or so mirror symmetry.
The cross-sectional shape of 5 through-holes 31 is rectangle.
Each rectangular through-hole 31 is connected to by its adjacent edge in the Y direction.
Embodiment 2
As shown in figs 6-8.
This embodiment is differed only in embodiment 1：
A piece transmission line 2 is cross waveguide, and another transmission line is four ridge square wave guides.
One electromagnetic wave channel 3 is connected to by one end face with an end face in another electromagnetic wave channel 3.
Two electromagnetic wave channels, about 3 mirror symmetry.The area of section in electromagnetic wave channel 3 can be designed as along center
It is sequentially reduced, increases, reduces and reduces to edge.The transmission wiring connector in 1.48 millimeters of length range 19.6~
The reflectance factor of the electromagnetic wave of vertical polarization is set to be less than -20dB in the frequency range of 23.3GHz.Meanwhile making the electromagnetic wave of horizontal polarization
Reflectance factor be less than -20dB.It is carefully inquired according to us, similar routine techniques, which has no, to be delivered.
Embodiment 3
As shown in figs. 9-11.
This embodiment and the main distinction of embodiment 2 are only that：
A piece transmission line 2 is single ridge rectangular waveguide, and another transmission line 2 is double ridge rectangular waveguides.Electromagnetism channel 3
Area of section is sequentially increased, increases, increases, increases, reduces, reduces, reduces from inside to outside so that the transmission wiring connector
The reflectance factor of the electromagnetic wave of vertical polarization is set to be less than -30dB in 0.42 millimeter of length range in the range of 15~45GHz.According to
We carefully inquire, and similar routine techniques, which has no, to be delivered.
Embodiment 4
As shown in figures 12-18.
Specific to the cross-sectional shape in every electromagnetism channel, can be respectively：Two electricity that mutually disconnected branch is constituted
Magnet passage 3, electromagnetism channel 3 that two intersection branches are constituted, hollow, three cross one another branches constitute electromagnetism channel 3, square
The left and right that shape through-hole 31 is constituted and the electromagnetism symmetrical above and below that all symmetrical electromagnetism channel 3 and rectangular through-hole 31 are constituted up and down are logical
Road 3.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of double ridge rectangular waveguide line adapter units of list, which is characterized in that including two transmission lines (2) and at least one
Electromagnetic wave channel (3)；The both ends of the surface in electromagnetic wave channel (3) are a flat surface a part of A and plane B respectively；The each biography
One end of defeated line (2) is connected to one end of an electromagnetic wave channel (3)；The arbitrary electromagnetic wave channel (3) is by least one
Road is constituted, and at least one branch route the through-hole (31) that at least three is connected to along Y-direction and constitutes；The maximum in the electromagnetic wave channel
Length t is the projected length of line in z-direction between any two points being located on the electromagnetic wave channel end faces Liang Ge
Maximum value；The center operating frequency of the line adapter unit is defined as SQRT (f1*f2)；Wherein f1 is the line adapter unit
Lowest operating frequency, f2 be the line adapter unit maximum operating frequency, SQRT is square root function；X-axis and Y-axis are in electricity
In the plane of one end face in magnetic wave channel (3), and X-axis, Y-axis and Z axis meet the right-hand rule；The electromagnetic wave channel (3)
Section on X/Y plane is its cross section；The maximum width of arbitrary through-hole (31) is between any two points on the through-hole (31)
The maximum length that is projected in X-direction of line；The end of the input terminal of input transmission line (2) and the output end of output transmission line (8)
The normal direction D and E in face are respectively defined as at its end face geometric center axis direction and consistent with signal flow direction；Described one
Root transmission line (2) is single ridge rectangular waveguide, and metal ridge (22) is connected with the bottom of the list ridge rectangular waveguide transmission line (2)；Institute
It is double ridge rectangular waveguides to state another transmission line (2), two metal ridge (22) respectively with double ridge rectangular waveguide transmission lines (2)
Bottom and top be connected.
2. a kind of double ridge rectangular waveguide line adapter units of list according to claim 1, which is characterized in that at least one is micro-
The maximum length t in wave channel is less than 0.2 of the wavelength in the corresponding free space of center operating frequency of the microwave matching structure
Times.
3. a kind of double ridge rectangular waveguide line adapter units of list according to claim 1, which is characterized in that the electromagnetic wave
Channel includes at least a branch, which route 5 through-holes (31) along Y-direction connection and constitute；Along Y-direction, each through-hole is most
Big width is sequentially increased, reduces, increases, reduces.
4. a kind of double ridge rectangular waveguide line adapter units of list according to claim 1, which is characterized in that the electromagnetic wave
Channel includes at least a branch, which route the through-hole (31) that at least seven is connected to along Y-direction and constitute；Along Y-direction, each through-hole
Maximum width be sequentially increased, reduce, reduce, increase, increase, reduce.
5. a kind of double ridge rectangular waveguide line adapter units of list according to claim 1, which is characterized in that the electromagnetic wave
Channel includes at least a branch, which route 9 through-holes (31) along Y-direction connection and constitute；Along Y-direction, each through-hole is most
Big width is sequentially increased, increases, reduces, reduces, increases, increases, reduces, reduces.
6. a kind of double ridge rectangular waveguide line adapter units of list according to claim 1, which is characterized in that the electromagnetic wave
Channel or so mirror symmetry.
7. a kind of double ridge rectangular waveguide line adapter units of list according to claim 1, which is characterized in that the electromagnetic wave
Mirror symmetry above and below channel.
8. a kind of double ridge rectangular waveguide line adapter units of list according to claim 1, which is characterized in that at least one institute
The cross-sectional shape for stating through-hole (31) is rectangle.
9. a kind of double ridge rectangular waveguide line adapter units of list according to claim 8, which is characterized in that each rectangle
Through-hole (31) is connected to by its adjacent edge in the Y direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271882.3A CN108428988A (en) | 2018-03-29 | 2018-03-29 | A kind of double ridge rectangular waveguide line adapter units of list |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271882.3A CN108428988A (en) | 2018-03-29 | 2018-03-29 | A kind of double ridge rectangular waveguide line adapter units of list |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108428988A true CN108428988A (en) | 2018-08-21 |
Family
ID=63160023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810271882.3A Withdrawn CN108428988A (en) | 2018-03-29 | 2018-03-29 | A kind of double ridge rectangular waveguide line adapter units of list |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108428988A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3686589A (en) * | 1969-09-23 | 1972-08-22 | Georg Spinner | Waveguide transition |
| US20150357698A1 (en) * | 2013-01-10 | 2015-12-10 | Nec Corporation | Wideband transition between a planar transmission line and a waveguide |
-
2018
- 2018-03-29 CN CN201810271882.3A patent/CN108428988A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3686589A (en) * | 1969-09-23 | 1972-08-22 | Georg Spinner | Waveguide transition |
| US20150357698A1 (en) * | 2013-01-10 | 2015-12-10 | Nec Corporation | Wideband transition between a planar transmission line and a waveguide |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180821 |
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