CN106602194A - E-H conversion waveguide apparatus - Google Patents
E-H conversion waveguide apparatus Download PDFInfo
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- CN106602194A CN106602194A CN201611052953.8A CN201611052953A CN106602194A CN 106602194 A CN106602194 A CN 106602194A CN 201611052953 A CN201611052953 A CN 201611052953A CN 106602194 A CN106602194 A CN 106602194A
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- waveguide
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- rectangular step
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- 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
- H01P5/082—Transitions between hollow waveguides of different shape, e.g. between a rectangular and a circular waveguide
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Abstract
The invention relates to an E-H conversion waveguide apparatus. The apparatus comprises a concave-type upper empty waveguide and a lower empty waveguide. Half-opening cavities of the upper empty waveguide and the lower empty waveguide form an E surface waveguide channel. An H surface waveguide channel which is connected to the E surface waveguide channel is arranged in the lower empty waveguide. E surface rectangular steps are arranged in the lower empty waveguide and at a turning connection portion of the H surface waveguide channel and the E surface waveguide channel. H surface rectangular step units are arranged in the upper empty waveguide and at a staggered position of the H surface waveguide channel and the E surface waveguide channel. An upper edge of the H surface rectangular step units is connected to a top surface of the E surface waveguide channel and a lower edge of the H surface rectangular step units is connected to the top surface of the E surface waveguide channel. By using the apparatus of the invention, a traditional transition structure from an E surface waveguide to an H surface waveguide is abandoned; through an overlapping portion of an E surface and an H surface, three rectangular steps are protruded; and an electromagnetic wave turns around and simultaneously requirements of a bandwidth, electromagnetic compatibility, signal leakage and the like are satisfied. The apparatus possesses advantages that the structure is simple; the size is small; and processing is convenient and so on.
Description
Technical field
The invention belongs to wave filter technology field, and in particular to E-H changes waveguide assembly.
Background technology
Waveguiding structure is one of circuit structure the most frequently used in microwave current millimetre-wave circuit, the maximum feature of waveguiding structure
It is that Insertion Loss is little, closure is high, electromagnetic energy is bound in completely in waveguide channels, reveals so as to reduce microwave signal, it is to avoid
Other communication systems are disturbed, the Electro Magnetic Compatibility of whole system is improve.
In practice, the waveguide of E faces and the waveguide of H faces are often used, wherein, E-H conversions are module or system design
Important composition one's duty.E faces waveguide the most frequently used at present to the transition structure of H faces waveguide is twisted waveguide.Twisted waveguide is also known as waveguide
The direction on twisting joint, the broadside at its two ends and narrow side exchanges 90 degree, and when electromagnetic wave passes through twisted waveguide, polarised direction changes 90
Degree, and the direction of propagation is constant.It is clear that the disadvantage of twisted waveguide is that length is long, dumb, to compact waveguide junction
Structure is not just applied to.Also some documents employ the transition structure of the alternating cascade of rectangular waveguide and circular waveguide, relative bandwidth
Also 40% or so can be reached, but can not still meets the requirement of compact waveguide structure.
Such as document, " Ka wave band E-H waveguide switchs are designed《National microwave and millimeter wave meeting》, grandson east congruence, 2015 " it is open
The technology of one section of square wave guide connection is employed in the middle of E faces and H faces, a group of the square wave guide diagonally cuts out a square platform
Rank, middle square wave guide is higher by H waveguides and E waveguides, and volume can be than larger.Although the technology is solved using transition square wave guide
Problem, directly does rectangular step and rectangular step is done in H faces in E faces, can reduce volume, but due to the essence of its transition structure,
Compact waveguide structure demand can not be met.
In view of above-mentioned defect, the design people, positive research and innovation in addition, to founding a kind of novel waveguide passage,
It is set to have more the value in industry.
The content of the invention
In view of the defect that above-mentioned prior art is present, it is an object of the invention to provide a kind of volume is less, processing is simple and
Lower new E-H conversion the waveguide assemblies of cost, solution waveguide transition device length is long, dumb, the problems such as not compact.
To realize aforementioned invention purpose, the technical solution used in the present invention includes：
A kind of E-H changes waveguide assembly, including the overhead waveguide and lower empty waveguide of matrix, the overhead waveguide and lower empty ripple
The half opening cavity led constitutes E faces waveguide channels, and in the lower empty waveguide H faces waveguide connected with E faces waveguide channels is offered
Passage, inside lower empty waveguide and H faces waveguide channels and E faces waveguide channels turning junction are provided with E faces rectangular step, upper
Inside empty waveguide and H faces waveguide channels and E faces waveguide channels staggered place is provided with H faces rectangular step unit, the H faces rectangle platform
Rank unit top edge connection E faces waveguide channels top surface, the H faces rectangular step unit lower limb connection E faces waveguide channels top surface.
Further, the H faces rectangular step unit includes a H faces rectangular step and the 2nd H faces rectangle platform to the present invention
Rank.
Further, H faces waveguide channels and E faces waveguide channels are rectangular channel to the present invention, arrange E faces ripple
The height of pathway is A, width is B, and the height for arranging H faces waveguide channels is A1, width is B1.
Further, E faces rectangular step is highly F to the present invention, length is F1, and the F1 spans are 0.95A1
～1.05A1, the F spans are 0.4B1～0.65B1.
Further, H faces rectangular step is highly D to the present invention, width is D1, and the D spans are
0.47B～0.75B, the D1 spans are 0.33A～0.6A.
The present invention further, the 2nd H faces rectangular step highly for C, width be C1, the C spans be 0.05B～
0.8B, the C1 spans are 0.47A～0.75A.
By such scheme, the present invention at least has advantages below：
1. by apparatus of the present invention, the waveguide of traditional E faces has been abandoned to the transition structure of H faces waveguide, the transition of such as E-H conversions
The labyrinths such as circular waveguide, transition square wave guide or twisted waveguide, by E faces and H faces overlapping part three rectangular steps are protruded, with
Realize the waveguide of E faces to the conversion in 90 degree of H faces Waveguide polarization direction；
2. the simple small volume of present configuration, easy to process, is conducive to improving product First Pass Yield and reduces cost, its
Middle step dimension variable range is big, it is ensured that the span of the device of different structure size all conformance with standard waveguides.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Description of the drawings
Fig. 1 is the external structure schematic diagram that E-H of the present invention changes waveguide assembly；
Fig. 2 is the internal structure schematic diagram that E-H of the present invention changes waveguide assembly；
Fig. 3 is the structural representation that E-H of the present invention changes waveguide assembly.
The implication of each reference is as follows in figure.
1 overhead waveguide 2 times sky waveguide
The H faces waveguide channels of 3 E faces waveguide channels 4
The H faces rectangular step unit of 5 E faces rectangular step 6
The H faces rectangular step of 7 the oneth H faces rectangular step 8 the 2nd
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole, without
To limit the scope of the present invention.Based on embodiments of the invention, those of ordinary skill in the art are not making creative work
Under the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
Such as Fig. 1 to Fig. 3, E-H of the present invention changes waveguide assembly, including the overhead waveguide 1 and lower empty waveguide 2 of matrix, described
The half opening cavity of overhead waveguide 1 and lower empty waveguide 2 constitutes E faces waveguide channels 3, offers and E faces ripple in the lower empty waveguide 2
The H faces waveguide channels 4 of the connection of pathway 3, inside lower empty waveguide 2 and H faces waveguide channels 4 and E faces waveguide channels 3 are turned and connected
The place of connecing is provided with E faces rectangular step 5, inside overhead waveguide 1 and H faces waveguide channels 4 and the staggered place of E faces waveguide channels 3 are provided with H
Face rectangular step unit 6, the top surface of the top edge of H faces rectangular step unit 6 connection E faces waveguide channels 3, the H faces rectangle platform
The top surface of the lower limb of rank unit 6 connection E faces waveguide channels 3.
Thus, the present invention has abandoned the waveguide of traditional E faces to the transition structure of H faces waveguide, simple structure small volume, processing side
Just, improving product First Pass Yield and reduces cost are conducive to, wherein step dimension variable range is big, it is ensured that different structure size
Waveguide all conformance with standard waveguides span.
With regard to the varying dimensions of step (i.e. E faces rectangular step 5 and H faces rectangular steps unit 6)：The size is mainly relative
For standard waveguide, size span be standard waveguide A while and during B in the range of, for different waveguides, even if structure chi
Very little difference, but all spans of conformance with standard waveguide.The change of size mainly has influence on the change of E field polarization direction and anti-
Projection is rung, such as table 1, waveguide model and A while and size during B.
The change and reflection of the change in size of table 1 correspondence E field polarization direction
| World mark model | Frequency range (Ghz) | A and B sides size (mm) |
| WR137 | 5.38～8.17 | 34.849X15.799 |
| WR62 | 11.9～18 | 15.8X7.9 |
| WR28 | 26.3～40 | 7.112X3.556 |
| WR12 | 60.5～91.9 | 3.0988X1.5494 |
A preferably preferred implementation of the invention, the H faces rectangular step unit 6 includes two steps, i.e., including a H
The H faces rectangular step 8 of face rectangular step 7 and the 2nd.H faces waveguide channels 4 and E faces waveguide channels 3 are rectangular channel, are normal
Rule design.The height that E faces waveguide channels 3 can be arranged is A, width is B, and the height for arranging H faces waveguide channels 4 is
A1, width are B1.Three rectangular steps, i.e. E faces rectangular step 5, a H faces rectangle platform are protruded by E faces and H faces overlapping part
The H faces rectangular step 8 of rank 7 and the 2nd, realizes the waveguide of E faces to the conversion in 90 degree of H faces Waveguide polarization direction.Three steps are mainly made
With being to change the electromagnetic field direction of propagation.In E faces when, E faces be horizontally disposed with, then dominant waveguide mode TE10 electric fields are Jing vertically downward
A rectangular step in E faces is crossed, E field polarization direction realizes 45 degree of conversion from E faces to E faces rectangular step 5, from E faces rectangle platform
Rank 5 to H faces waveguide another two rectangular step is a H faces rectangular step 7, the 2nd H faces rectangular step 8, also achieves 45 degree and turns
Change, thus realize the waveguide of E faces to the conversion in 90 degree of H faces Waveguide polarization direction.
Size based on above-mentioned E faces waveguide channels 3 and H faces waveguide channels 4 is arranged, the preferably side of being preferable to carry out of the invention
Formula, the height of E faces rectangular step 5 is F, length is F1, and the F1 spans are 0.95A1～1.05A1, the F values
Scope is 0.4B1～0.65B1.The height of first H faces rectangular step 7 is D, width is D1, and the D spans are 0.47B
～0.75B, the D1 spans are 0.33A～0.6A.The height of 2nd H faces rectangular step 8 is C, width is C1, and the C takes
Value scope is 0.05B～0.8B, and the C1 spans are 0.47A～0.75A.
It should be noted that above-mentioned step span of the invention be have passed through many experiments and calculate it is preferred
Value, i.e., in the value range, meet and meet while electromagnetic wave is turned to the requirements such as bandwidth, Electro Magnetic Compatibility, signal leakage.Research
It was found that, the size of three steps (E faces rectangular step 5, a H faces rectangular step 7 and the 2nd H faces rectangular step 8) and respective institute
Have with associating on A with the B sides of waveguide, using simulation software HFSS simulations quickly above three step dimension is obtained.
Therefore, by apparatus of the present invention, the waveguide of traditional E faces has been abandoned to the transition structure of H faces waveguide, by E faces and H faces
Overlapping part protrudes three rectangular steps, and electromagnetic wave is turned to and meets the requirements such as bandwidth, Electro Magnetic Compatibility, signal leakage simultaneously, this
Invention have simple structure small volume, it is easy to process the features such as.The present invention still has a numerous embodiments, all employing equivalents or
Person's equivalent transformation and all technical schemes for being formed, are within the scope of the present invention.
Claims (6)
1. a kind of E-H changes waveguide assembly, including the overhead waveguide (1) and lower empty waveguide (2) of matrix, the overhead waveguide (1)
E faces waveguide channels (3) is constituted with the half opening cavity of lower empty waveguide (2), it is characterised in that：Open up in the lower empty waveguide (2)
There are H faces waveguide channels (4) connected with E faces waveguide channels (3),
E faces rectangle platform is provided with lower empty waveguide (2) inside and H faces waveguide channels (4) and E faces waveguide channels (3) turning junction
Rank (5),
In overhead, waveguide (1) inside and H faces waveguide channels (4) and E faces waveguide channels (3) staggered place are provided with H faces rectangular step list
First (6), H faces rectangular step unit (6) top edge connection E faces waveguide channels (3) top surface, the H faces rectangular step unit
(6) lower limb connection E faces waveguide channels (3) top surface.
2. a kind of E-H according to claim 1 changes waveguide assembly, it is characterised in that：The H faces rectangular step unit
(6) including H faces rectangular step (7) and the 2nd H faces rectangular step (8).
3. a kind of E-H according to claim 2 changes waveguide assembly, it is characterised in that：H faces waveguide channels (4) and E
Face waveguide channels (3) are rectangular channel, and the height for arranging E faces waveguide channels (3) is A, width is B, arranges the H faces
The height of waveguide channels (4) is A1, width is B1.
4. a kind of E-H according to claim 3 changes waveguide assembly, it is characterised in that：E faces rectangular step (5) are high
It is F1 to spend for F, length, and the F1 spans are 0.95A1～1.05A1, and the F spans are 0.4B1～0.65B1.
5. a kind of E-H according to claim 3 changes waveguide assembly, it is characterised in that：First H faces rectangular step
(7) highly for D, width be D1, the D spans are 0.47B～0.75B, and the D1 spans are 0.33A～0.6A.
6. a kind of E-H according to claim 3 changes waveguide assembly, it is characterised in that：2nd H faces rectangular step (8) are high
It is C1 to spend for C, width, and the C spans are 0.05B～0.8B, and the C1 spans are 0.47A～0.75A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052953.8A CN106602194B (en) | 2016-11-09 | 2016-11-09 | E-H conversion waveguide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052953.8A CN106602194B (en) | 2016-11-09 | 2016-11-09 | E-H conversion waveguide device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602194A true CN106602194A (en) | 2017-04-26 |
| CN106602194B CN106602194B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611052953.8A Active CN106602194B (en) | 2016-11-09 | 2016-11-09 | E-H conversion waveguide device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324597A (en) * | 2011-06-15 | 2012-01-18 | 京信通信系统（中国）有限公司 | Microwave frequency band orthogonal analog converter and signal separating/combining method thereof |
| US20140104017A1 (en) * | 2012-10-16 | 2014-04-17 | Honeywell International Inc. | Compact twist for connecting orthogonal waveguides |
| CN104201439A (en) * | 2014-09-09 | 2014-12-10 | 江苏贝孚德通讯科技股份有限公司 | Microwave waveguide pipeline 90-degree turning mechanism having polarization reverse function |
| US8952678B2 (en) * | 2011-03-22 | 2015-02-10 | Kirk S. Giboney | Gap-mode waveguide |
| CN104716406A (en) * | 2015-03-20 | 2015-06-17 | 江苏贝孚德通讯科技股份有限公司 | Waveguide 90-degree turning structure with polarization turning function |
| CN205355211U (en) * | 2015-12-23 | 2016-06-29 | 江苏贝孚德通讯科技股份有限公司 | Take filtering and polarization and twist reverse ridge waveguide turn structure of function |
| CN206134903U (en) * | 2016-11-09 | 2017-04-26 | 迈特通信设备（苏州）有限公司 | E H changes waveguide device |
-
2016
- 2016-11-09 CN CN201611052953.8A patent/CN106602194B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8952678B2 (en) * | 2011-03-22 | 2015-02-10 | Kirk S. Giboney | Gap-mode waveguide |
| CN102324597A (en) * | 2011-06-15 | 2012-01-18 | 京信通信系统（中国）有限公司 | Microwave frequency band orthogonal analog converter and signal separating/combining method thereof |
| US20140104017A1 (en) * | 2012-10-16 | 2014-04-17 | Honeywell International Inc. | Compact twist for connecting orthogonal waveguides |
| CN104201439A (en) * | 2014-09-09 | 2014-12-10 | 江苏贝孚德通讯科技股份有限公司 | Microwave waveguide pipeline 90-degree turning mechanism having polarization reverse function |
| CN104716406A (en) * | 2015-03-20 | 2015-06-17 | 江苏贝孚德通讯科技股份有限公司 | Waveguide 90-degree turning structure with polarization turning function |
| CN205355211U (en) * | 2015-12-23 | 2016-06-29 | 江苏贝孚德通讯科技股份有限公司 | Take filtering and polarization and twist reverse ridge waveguide turn structure of function |
| CN206134903U (en) * | 2016-11-09 | 2017-04-26 | 迈特通信设备（苏州）有限公司 | E H changes waveguide device |
Non-Patent Citations (2)
| Title |
|---|
| LIHAN CHENET AL: ""A micromachined terahertz waveguide 90 twist"", 《IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS》 * |
| 孙冬全等: ""Ka波段E-H波导转换器设计"", 《2015年全国微波毫米波会议论文集中国电子学会微波分会会议论文集》 * |
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| Publication number | Publication date |
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| CN106602194B (en) | 2022-02-18 |
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