CN104966860B - A kind of assembly type orthomode transducer filter assembly - Google Patents
A kind of assembly type orthomode transducer filter assembly Download PDFInfo
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- CN104966860B CN104966860B CN201510380980.7A CN201510380980A CN104966860B CN 104966860 B CN104966860 B CN 104966860B CN 201510380980 A CN201510380980 A CN 201510380980A CN 104966860 B CN104966860 B CN 104966860B
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- waveguide
- orthomode transducer
- filter
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- wave filter
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- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000007514 turning Methods 0.000 claims abstract description 22
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 230000009466 transformation Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The invention discloses a kind of assembly type orthomode transducer filter assembly, including sheet wave filter, and it is located at orthomode transducer and the right-angle turning waveguide of sheet wave filter both sides, the orthomode transducer upper and lower surface is respectively equipped with the emission port and public port of front and rear insertion, the contact surface of orthomode transducer and sheet wave filter is provided with coupling port, and forms transmission channel by staircase wave waveguide transformation structure between emission port and public port；The sheet wave filter both sides have waveguide transmission mouth, and the coupling port of one of waveguide transmission mouth and orthomode transducer connects；The right-angle turning waveguide and the contact surface of sheet wave filter are provided with waveguide input port, and are connected with another waveguide transmission mouth of sheet wave filter, and right-angle turning waveguide is additionally provided with wave guide outlet.The present invention has the characteristics that small volume, exempts from debugging, and performance is obviously improved.
Description
Technical field
The invention belongs to microwave passive component field, more particularly to microwave frequency band orthogonal mode transducer-wave filter.
Background technology
Microwave communication is the wireless communication means being most widely used at present, and microwave relay transmission, radio and television, movement are logical
Letter, satellite communication belong to field of microwave communication.In order to which two-way is different frequently in the communication systems such as satellite communication, microwave transmission
Rate, not like-polarized signal separated, it usually needs orthomode transducer-filter assembly is realized.
Traditional orthomode transducer-filter assembly, often using the wave filter of screw Tuning mechanism, it is possible to achieve compared with
Filtering characteristic well and then the isolation transmission for improving transmitting-receiving two paths of signals, but depend on experience hand before the sizing of this wave filter more
Work debugging forms, and its filter effect is often difficult to meet to require during in face of higher transceiver insulation requirement, and this kind of mechanism
Wave filter is heavier, is unfavorable for minimizing；For the communication environment to become increasingly complex, particularly there is powerful adjacent frequency
During emitter, usually because power pours in down a chimney back-end component can be caused to burn.Exempt from the correlation technique of the wave filter of tuning at home
The shortcomings that patent has disclosed, but these prior arts are still present that volume is big, weight weight, and there has been no breakthrough in performance.
The content of the invention
Goal of the invention：For above-mentioned existing problem and shortage, it is an object of the invention to provide a kind of performance is excellent
Different orthomode transducer-filter assembly, not only with small volume, exempt from debugging feature, and performance is significantly improved.
Technical scheme：For achieving the above object, the present invention uses following technical scheme：A kind of assembly type orthogonal mode turns
Parallel operation-filter assembly, including sheet wave filter, and it is located at the orthomode transducer and right-angle turning of sheet wave filter both sides
Waveguide, wherein：The orthomode transducer upper and lower surface is respectively equipped with the emission port and public port of front and rear insertion, orthogonal mode
The contact surface of converter and sheet wave filter is provided with coupling port, and passes through step waveguide between emission port and public port
Mapped structure forms transmission channel, realizes the square circle conversion of waveguide；The sheet wave filter both sides have waveguide transmission mouth,
And the coupling port of one of waveguide transmission mouth and orthomode transducer connects；The right-angle turning waveguide and sheet wave filter
Contact surface be provided with waveguide input port, and be connected with another waveguide transmission mouth of sheet wave filter, right-angle turning waveguide is also set
There is wave guide outlet, so that signal passes from public port to coupling port, then through sheet wave filter and right-angle turning waveguide
The wave guide outlet of right-angle turning waveguide is transported to, forms complete receiving channel.
Preferably, the sheet wave filter is laminated type multicavity filter, the cavity number of wave filter is at least by two
More than, and separated between cavity by filter cavity dividing plate.
Preferably, the sheet wave filter is collapsible two-chamber filter, using the laminated structure of sandwich style, from
Start to include upper cover plate, central dividing plate and bottom plate successively with the contact surface of orthomode transducer；Upper cover plate and the bottom plate difference
Provided with upper cavity and lower chamber, and upper cavity and lower chamber are symmetrical with respect to central dividing plate, so that upper cover plate and centre
Dividing plate is bonded to form path on signal, and central dividing plate is bonded to form signal underpass with bottom plate.
Preferably, the connection in the sheet wave filter between upper cover plate, central dividing plate and bottom plate uses welding procedure.
Preferably, the upper cavity and lower chamber are cylindrical cavity.
Preferably, the wave guide outlet of the right-angle turning waveguide also uses step waveguide transition, step dimension edge
Installation tapers into downwards.
Preferably, the orthomode transducer, sheet wave filter and right-angle turning waveguide are installed by screw.
Beneficial effect：Compared with prior art, the present invention has advantages below：1. orthomode transducer in the present invention-
Filter part is manufactured using process for machining, and technique is simple, is easily realized using die sinking process, easy mass, whole portion
Part size is small, in light weight, is the transmitting-receiving communication that high quality can be achieved without any debugging apparatus；2. three components in the present invention can
To be used as global facility, it can also separate and be used as individual devices；3. the sheet wave filter in the present invention, using burst
Formula machining shaping and then welding manufacture, no tuning screw, overall structure is extremely compact and excellent performance, Out-of-band rejection up to-
70dB；4. the whole part in the present invention can be realized more than transceiver insulation 110dB, compared with traditional component, performance improvement
As many as 20dB.
Brief description of the drawings
Fig. 1 is the overall structure diagram of orthomode transducer-filter assembly of the present invention；
Fig. 2 is orthomode transducer of the present invention-filter assembly structure backwards to view；
Fig. 3 a are the assembling schematic diagram of orthomode transducer-filter assembly of the present invention；
Fig. 3 b are the reverse view of Fig. 3 a horizontal direction；
Fig. 4 a are the structural representation of sheet wave filter of the present invention；
Fig. 4 b are the reverse view of Fig. 4 a horizontal directions；
Fig. 5 is the high frequency Insertion Loss test result curve of the embodiment of the present invention；
Fig. 6 is the chassis Insertion Loss test result curve of the embodiment of the present invention；
Fig. 7 is the isolation degree test result curve of the embodiment of the present invention.
Wherein, orthomode transducer 1, sheet wave filter 2, right-angle turning waveguide 3, mounting screw 4, emission port 11, public affairs
Port 12, coupling port 13, wave filter upper cover plate 21, filter cavity dividing plate 22, filter chassis 23, filter transfer end altogether
Passage 221, wave filter lower chamber 231, filter transfer port 232, right angle turn between mouth 211, wave filter upper cavity 212, cavity
Waveguide bend input port 31, right-angle turning wave guide outlet 32.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are each to the present invention's
The modification of the kind equivalent form of value falls within the application appended claims limited range.
As shown in figures 1-4, orthomode transducer-filter part of the invention is filtered by orthomode transducer 1, sheet
Device 2, right-angle turning waveguide 3 are assembled successively by trip bolt 4, and the public of up/down perforation is provided with orthomode transducer 1
Port 12 and emission port 11, side wall are provided with coupling port 13, using multistage between the public port 12 and emission port 11
The transmission port 211 of stepped ramp type waveguide transition structure, coupling port 13 and sheet wave filter 2 connects, sheet wave filter 2 it is another
Side transmission port 232 and the input port 31 of vertical turn waveguide 3 connect, and the output port 32 of vertical turn waveguide 3 is according to should
With needing and polarization rotating joint or LNB (Low Noise Block, tuner) are connected, signal from public port to coupling port,
Then filtered device and right-angle turning waveguide transmission line reaches right-angle turning wave guide outlet, forms whole receiving channel, completes letter
Number reception.And transmission channel is formed by staircase wave waveguide transformation structure between emission port and public port, signal is by BUC
(Block Upconverters, up-conversion amplifier) is sent, and emitted port to public port is to being connected on public port
Feed or waveguide transmission line, complete the transmitting of signal.
The step waveguide transition is gradually reduced from public port 12 to size between coupling port 13, the signal of low frequency
Ended, and coupling port 13 to the waveguide transition section size between emission port 11 becomes larger, transition is standard waveguide chi
It is very little.The step waveguide transition structure facilitates milling cutter to process, and shaping is simple.
The sheet wave filter 2 is stacked two-chamber filter, using the hierarchy of sandwich style, respectively in upper cover plate
21 and bottom plate 23 on one side mill out upper cavity 212, lower chamber 231 and corresponding waveguide transmission line, upper cover plate 21 and middle interval
The fitting of plate 22 forms path on signal, and central dividing plate 22 and the fitting of bottom plate 23 form signal underpass, and two cavitys are symmetrical
In the both sides of central dividing plate 22, through hole 221 is provided with dividing plate 22 and causes signal by being finally welded on three layers using welding procedure
Together.The cavity of wave filter uses cylindrical cavity, is adjusted by optimizing the angle α for two waveguide transmission lines for being connected to cavity
The passband width of wave filter, by rationally setting cavity size so that two modes of resonance, two cavity cascades in cavity be present
So that the wave filter has outstanding Out-of-band rejection performance.It is pointed out that according to different application demands, the number of cavity
Can be three or more, i.e., the number of plies of whole wave filter is sandwich construction.Due to the cavity, the wave filter employs refrative cavity
Body structure so that overall dimensions reduce, and miniaturization are realized, especially suitable for size-constrained occasion.
The vertical turn waveguide 3 is designed for ease of installing the requirement of polarized rotation device, and delivery outlet 32 also uses
Step waveguide transition, step dimension taper into, are easy to process downwards along installation.
So transmission signal transits to public port 12 from emission port 11 through step waveguide, then public from being connected to
Feed or waveguide transmission line on port 12 are launched, and complete the transmitting of signal；Reception signal from public port 12 come in through
Coupling port 13, filtered by sheet wave filter 2, from another side ports 232 of wave filter 2, and will by waveguide 3 of vertically turning round
Signal delivers to the LNB of rear end, completes the reception of signal.
Fig. 5 to Fig. 7 gives one embodiment that the present invention is applied to Ku wave bands, and the test result of the embodiment shows it
High frequency (transmitting) and low frequency (reception) Insertion Loss are respectively 0.04dB, 0.19dB, and transceiver insulation is superior to 110dB, and existing
Component is compared, and performance improves as many as 20dB, can meet the microwave communication requirement under harsh conditions, and its weight is only 240g.
It is pointed out that the present invention can be applied not only to Ku, Ka communications band, other microwaves can also be extended to
Communications band.
Claims (7)
- A kind of 1. assembly type orthomode transducer-filter assembly, it is characterised in that：Including sheet wave filter, and it is located at piece The orthomode transducer of shape wave filter both sides and right-angle turning waveguide, wherein：The orthomode transducer upper and lower surface is set respectively There are the emission port and public port of front and rear insertion, the contact surface of orthomode transducer and sheet wave filter is provided with coupling port, And transmission channel is formed by staircase wave waveguide transformation structure between emission port and public port；The sheet wave filter both sides Waveguide transmission mouth is had, and the coupling port of one of waveguide transmission mouth and orthomode transducer connects；The right angle The contact surface of turn waveguide and sheet wave filter is provided with waveguide input port, and connects with another waveguide transmission mouth of sheet wave filter Connect, right-angle turning waveguide is additionally provided with wave guide outlet, so that signal filters from public port to coupling port, then through sheet Device and right-angle turning waveguide transmission form complete receiving channel to the wave guide outlet of right-angle turning waveguide.
- 2. assembly type orthomode transducer-filter assembly according to claim 1, it is characterised in that：The sheet filtering Device is laminated type multicavity filter, the cavity number at least two or more of wave filter, and passes through filter cavity between cavity Dividing plate separates.
- 3. assembly type orthomode transducer-filter assembly according to claim 2, it is characterised in that：The sheet filtering Device is collapsible two-chamber filter, using the laminated structure of sandwich style, since the contact surface with orthomode transducer according to It is secondary including upper cover plate, central dividing plate and bottom plate；The upper cover plate and bottom plate are respectively equipped with upper cavity and lower chamber, and upper cavity and Lower chamber is symmetrical with respect to central dividing plate, so that upper cover plate and central dividing plate are bonded to form path on signal, middle interval Plate is bonded to form signal underpass with bottom plate.
- 4. assembly type orthomode transducer-filter assembly according to claim 3, it is characterised in that：The upper cavity and Lower chamber is cylindrical cavity.
- 5. assembly type orthomode transducer-filter assembly according to claim 4, it is characterised in that：The sheet filtering Connection in device between upper cover plate, central dividing plate and bottom plate uses welding procedure.
- 6. assembly type orthomode transducer-filter assembly according to claim 1, it is characterised in that：The right-angle turning The wave guide outlet of waveguide also uses step waveguide transition, and step dimension tapers into downwards along installation.
- 7. assembly type orthomode transducer-filter assembly according to claim 1, it is characterised in that：The orthogonal mode turns Parallel operation, sheet wave filter and right-angle turning waveguide are installed by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380980.7A CN104966860B (en) | 2015-07-02 | 2015-07-02 | A kind of assembly type orthomode transducer filter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380980.7A CN104966860B (en) | 2015-07-02 | 2015-07-02 | A kind of assembly type orthomode transducer filter assembly |
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| Publication Number | Publication Date |
|---|---|
| CN104966860A CN104966860A (en) | 2015-10-07 |
| CN104966860B true CN104966860B (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510380980.7A Expired - Fee Related CN104966860B (en) | 2015-07-02 | 2015-07-02 | A kind of assembly type orthomode transducer filter assembly |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027141B (en) * | 2016-07-06 | 2021-11-23 | 安徽四创电子股份有限公司 | Satellite communication duplex assembly for communication in motion |
| WO2022160290A1 (en) * | 2021-01-29 | 2022-08-04 | 华为技术有限公司 | Communication apparatus and communication method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6661309B2 (en) * | 2001-10-22 | 2003-12-09 | Victory Industrial Corporation | Multiple-channel feed network |
| US7821356B2 (en) * | 2008-04-04 | 2010-10-26 | Optim Microwave, Inc. | Ortho-mode transducer for coaxial waveguide |
| CN203456564U (en) * | 2013-08-28 | 2014-02-26 | 升达科技股份有限公司 | Embedded-type non-inverted-output orthogonal mode converter |
| CN204793128U (en) * | 2015-07-02 | 2015-11-18 | 南京肯微弗通信技术有限公司 | Assembled orthomode transducer - wave filter subassembly |
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Effective date of registration: 20180213 Address after: 210000 Jiangsu city of Nanjing Province Economic and Technological Development Zone of Nanjing Xing Zhi Lu Xingzhi Science Park building B room 1206 Patentee after: NANJING ANTIANNA COMMUNICATION TECHNOLOGY CO.,LTD. Address before: 211111 Jiangsu city of Nanjing province Jiangning economic and Technological Development Zone, Mo Zhou Road No. 9 Patentee before: NANJING CLEANWAVE COMMUNICATION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20180731 Address after: 211100 Jiangning District, Nanjing, Jiangsu, China Jiangning wireless Valley B block 9403 room. Patentee after: NANJING CLEANWAVE COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 210000 room 1206, building B, Xingzhi science and Technology Park, Xingzhi Road, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING ANTIANNA COMMUNICATION TECHNOLOGY CO.,LTD. |
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Address after: 211100 Jiangning District, Nanjing, Jiangsu, China Jiangning wireless Valley B block 9403 room. Patentee after: Nanjing Xinghang Communication Technology Co.,Ltd. Address before: 211100 Jiangning District, Nanjing, Jiangsu, China Jiangning wireless Valley B block 9403 room. Patentee before: NANJING CLEANWAVE COMMUNICATION TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171208 |