CN206322828U - One kind 92~96GHz orthomode couplers - Google Patents
One kind 92~96GHz orthomode couplers Download PDFInfo
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- CN206322828U CN206322828U CN201621473527.7U CN201621473527U CN206322828U CN 206322828 U CN206322828 U CN 206322828U CN 201621473527 U CN201621473527 U CN 201621473527U CN 206322828 U CN206322828 U CN 206322828U
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- orthomode
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- rectangular waveguide
- orthomode coupler
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Abstract
The utility model discloses one kind 92~96GHz orthomode couplers, including:Rectangular waveguide-circular waveguide transition rectangular waveguide end(1), rectangular waveguide-circular waveguide transition(2)And orthomode coupler;The orthomode coupler includes:Orthomode coupler main body removable part(3), orthomode coupler main body rectangular waveguide end(4)With orthomode coupler main body(5);Rectangular waveguide-circular waveguide transition rectangular waveguide end(1)It is arranged on rectangular waveguide-circular waveguide transition(2)One end;Rectangular waveguide-circular waveguide transition(2)The other end and orthomode coupler circular waveguide lead directly to arm(8)It is connected;Orthomode coupler main body removable part(3)With orthomode coupler main body(5)Between pass through orthomode coupler main body rectangular waveguide end(4)Connection.The utility model has the advantage of:Make on the basis of orthomode coupler significantly reduces size, possess the indexs such as wide working band, low insertion loss, high-isolation.
Description
Technical field
The utility model belongs to electronic component technology field, is related to a kind of millimeter wave passive device, more particularly to one kind 92
~96GHz orthomode couplers.
Background technology
Millimeter wave orthomode coupler OMT major function is synthesis and separation quadrature linear polarization signal, is that millimeter wave becomes
The critical component of polar system.Millimeter wave orthomode coupler OMT realizes orthopole in the antenna feed of electronic system front end
Change signal duplex transmission, i.e. separation and synthesis, this is the critical component of millimeter wave polarization system, and its performance quality is directly affected
The performance of whole system.In addition with the exploitation of millimeter-wave frequency resource, millimeter wave Polarization technique turns into millimeter wave Department of Electronics
One of guardian technique of system, gradually shows its huge development potentiality in civilian, military domain.The outstanding advantages of Polarization technique
It is that it can significantly improve the jamproof ability of electronic system, the ability of the true and false target of identification, and can realizes " channeling ", increases
Plus channel quantity, cost-effectively utilize the communication band being likely to be obtained.
Utility model content
Utility model purpose:The utility model provides one kind 92~96GHz orthomode couplers, it is significantly reduced size
On the basis of, can possess the indexs such as wide working band, low insertion loss, high-isolation, to solve the problems of the prior art.
Technical scheme:To achieve the above object, the technical solution adopted in the utility model is:
One kind 92~96GHz orthomode couplers, including:Rectangular waveguide-circular waveguide transition rectangular waveguide end, square wave
Lead-circular waveguide transition and orthomode coupler;The orthomode coupler includes:Orthomode coupler main body removable part,
Orthomode coupler main body rectangular waveguide end and orthomode coupler main body;The rectangular waveguide-circular waveguide transition rectangular waveguide
End is arranged on one end of rectangular waveguide-circular waveguide transition;The other end of the rectangular waveguide-circular waveguide transition and orthogonal mode coupling
The surface of clutch is connected;Pass through orthogonal mode between the orthomode coupler main body removable part and orthomode coupler main body
Coupler body rectangular waveguide end is connected.
Further, it is additionally provided with the first metallic membrane in the rectangular waveguide-circular waveguide transition;First metallic membrane
It is arranged in the middle of rectangular waveguide-circular waveguide transition and is fixed by conducting resinl.
Further, rectangular waveguide-circular waveguide transition circular waveguide end is additionally provided with the rectangular waveguide-circular waveguide transition;
Rectangular waveguide-the circular waveguide is transitioning through rectangular waveguide-circular waveguide transition circular waveguide end and the surface of orthomode coupler
It is connected.
Further, the rectangular waveguide-circular waveguide transition and orthomode coupler junction are orthomode coupler main body
The outer surface that removable part is connected with orthomode coupler main body.
Further, orthomode coupler main body removable part and orthomode coupler the main body connecting place is additionally provided with circle
Arm is led directly in waveguide.
Further, the second metallic membrane mounting groove and the second metallic membrane are additionally provided with the orthomode coupler main body;
Second metallic membrane is arranged in the second metallic membrane mounting groove;The circular waveguide leads directly to arm and connects the second metallic membrane peace
Tankage;The second metallic membrane mounting groove and the second metallic membrane are arranged on orthomode coupler main body removable part and just
Hand over mode coupler main body connecting place.
Further, it is additionally provided with common port circular waveguide in the orthomode coupler main body;The common port circular waveguide and
Two metallic membrane mounting grooves are connected.
Beneficial effect:Compared with prior art, the utility model has advantages below:
1. rectangular waveguide-circular waveguide transition uses Split type structure with orthomode coupler main body in structure, beneficial to tune
Examination and test.
2. simple in construction, suitable produce in enormous quantities.
3. using 92~96GHz orthomode couplers of above-mentioned technical proposal, with small size, low standing-wave ratio, it is inserted into
The characteristics of loss, high-isolation.
Brief description of the drawings
Fig. 1 is overall structure diagram in the utility model;
Fig. 2, Fig. 3 are the schematic perspective view of rectangular waveguide-circular waveguide transition in the utility model;
Fig. 4 is the profile of rectangular waveguide-circular waveguide transition in the utility model;
Fig. 5 is the main view schematic perspective view of orthomode coupler main body in the utility model;
Fig. 6 is the decomposing schematic representation of orthomode coupler main body in the utility model;
Fig. 7 is the rear perspective schematic diagram of orthomode coupler main body in the utility model;
In figure:1- rectangular waveguides-circular waveguide transition rectangular waveguide end, 2- rectangular waveguides-circular waveguide transition, 3- orthogonal modes
Coupler body removable part, 4- orthomode coupler main body rectangular waveguides end, 5- orthomode couplers main body, 6- square waves
Lead-circular waveguide transition circular waveguide end, the metallic membranes of 7- first, 8- circular waveguides lead directly to arm, the second metallic membranes of 8- mounting groove, 10-
Second metallic membrane, 11- common port circular waveguides.
Embodiment
One kind 92~96GHz orthomode couplers, including:Rectangular waveguide-circular waveguide transition rectangular waveguide end 1, square wave
Lead-circular waveguide transition 2 and orthomode coupler;Orthomode coupler includes:Orthomode coupler main body removable part 3, just
Hand over mode coupler main body rectangular waveguide end 4 and orthomode coupler main body 5;Rectangular waveguide-circular waveguide transition rectangular waveguide end 1
It is arranged on one end of rectangular waveguide-circular waveguide transition 2;The other end and orthomode coupler of rectangular waveguide-circular waveguide transition 2
Surface be connected;Pass through orthomode coupler between orthomode coupler main body removable part 3 and orthomode coupler main body 5
Main body rectangular waveguide end 4 is connected.
The first metallic membrane 7 is additionally provided with aforementioned rectangular waveguide-circular waveguide transition 2;First metallic membrane 7 is arranged on square
Fixed in the middle of shape waveguide-circular waveguide transition 2 and by conducting resinl.
Rectangular waveguide-circular waveguide transition circular waveguide end 6 is additionally provided with aforementioned rectangular waveguide-circular waveguide transition 2;Square wave
Lead-circular waveguide transition 2 is connected by rectangular waveguide-circular waveguide transition circular waveguide end 6 with the surface of orthomode coupler.
Aforementioned rectangular waveguide-circular waveguide transition 2 and orthomode coupler junction are separable for orthomode coupler main body
The outer surface that part 3 is connected with orthomode coupler main body 5.
Foregoing orthomode coupler main body removable part 3 and the connecting place of orthomode coupler main body 5 are additionally provided with circular waveguide
Straight-through arm 8.
The second metallic membrane mounting groove 9 and the second metallic membrane 10 are additionally provided with foregoing orthomode coupler main body 5;Second
Metallic membrane 10 is arranged in the second metallic membrane mounting groove 9;Circular waveguide leads directly to arm 8 and connects the second metallic membrane mounting groove 9;The
Two metallic membrane mounting grooves 9 and the second metallic membrane 10 are arranged on orthomode coupler main body removable part 3 and orthogonal mode coupling
The connecting place of clutch main body 5.
Common port circular waveguide 11 is additionally provided with foregoing orthomode coupler main body 5;The metal of common port circular waveguide 11 and second
Diaphragm mounting groove 9 is connected.
With reference to the accompanying drawings and detailed description, the utility model is further elucidated, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limits scope of the present utility model.It should be noted that making below in description
Word "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer to respectively
Be directed towards or the direction away from particular elements geometric centers.
One kind 92~96GHz orthomode couplers as shown in Figure 1, by rectangular waveguide-circular waveguide transition 2 and orthogonal mode
Coupler body 5;92~96GHz orthomode couplers input/output port can be installed with FUPG900 standard waveguides flange and connect
Mouth docking;Rectangular waveguide-circular waveguide transition is changed by rectangular waveguide 2- circular waveguides 6 and the first internal metallic membrane 7 is constituted;
Rectangular waveguide-the transmission of circular waveguide transition rectangular waveguide end 1 vertically polarized wave;Transmit at orthomode coupler main body rectangular waveguide end 4
Horizontal polarized wave;Rectangular waveguide-circular waveguide transition is by rectangular waveguide-circular waveguide conversion and the internal structure of the first metallic membrane 7
Into the presence of the first metallic membrane 7 can increase the vertical polarization polarization of ele purity of transmission.
Orthomode coupler main body 5 leads directly to arm 8 by the circular waveguide of transmission vertically polarized wave, transmits the rectangle of horizontal polarized wave
The second metallic membrane 10 that waveguide port 4, circular waveguide are led directly in arm 8 is constituted, and wherein circular waveguide port and rectangular waveguide port is
Orthohormbic structure, circular waveguide leads directly to arm end and communicated with public circular waveguide.
Polarization separation matching network is the core of whole orthomode coupler, and it is that 2 orthogonally polarized waves of separation hang down
The key component of straight polarized wave and horizontal polarized wave.Arm is led directly to including orthomode coupler main body rectangular waveguide end 4, circular waveguide
8th, circular waveguide leads directly to second metallic membrane 10 at the center of arm 8.For vertically polarized wave, the diaphragm led directly in arm is almost without shadow
Ring, to equivalent to one shorted planar of horizontal polarized wave, it is therefore intended that prevent that horizontal polarization from entering side arm, so as to improve isolation
Degree.Second metallic membrane 10 is equally used for the transmission that suppression level is polarized in straight-through arm, and the second metallic membrane 10 is longer, to water
The suppression of flat polar transmission is more complete, but this can cause the return loss of vertically polarized wave to increase, therefore is also required to the second gold medal
The length for belonging to diaphragm 10 carries out reasonable selection.
In the present embodiment, rectangular waveguide model BJ900, its long side is 2.54mm, and short side is 1.27mm.Circular waveguide type
Number be BY890, its inside diameter be 2.388mm.Rectangular waveguide-circular waveguide transition port uses FUPG900 standard waveguide methods
It is blue.First metallic membrane 7 is located in the middle of rectangular waveguide-circular waveguide transition 2, and parallel to the long side of BJ900 rectangular waveguides 1, diaphragm is long
Degree is between 11~15mm, and thickness is between 0.1~0.15mm, and diaphragm is fixed on lumen centers position with conducting resinl.Second gold medal
Belong to diaphragm 10 be located at BY890 circular waveguides lead directly to arm 8 in the middle of, diaphragm length between 9~12mm, thickness 0.1~0.15mm it
Between, diaphragm is in mounting groove, and right-hand member is away from 1.8~2mm of device center.Orthomode coupler main body 5 uses parts processing pattern, just
Handing over mode coupler main body removable part 3 can separate with orthomode coupler main body, in favor of processing and assembling.
Using above-mentioned technical proposal, it is contemplated that practical application needs, it have developed with simple in construction, bandwidth, be adapted to
92~96GHz orthomode couplers of the advantages of production in enormous quantities.
The device has the advantages that working band is wide, loss is low, isolation is high.In 92~96GHz, measure vertical
Polar transmission loss representative value is 0.3dB, minimal losses 0.2dB;Horizontal polarization loss representative value is 0.5dB, minimum damage
Consume 0.3dB;Each reflection coefficient of port loss is better than 15dB;Interport isolation representative value is 25dB, maximum isolation 30dB.
The above is only preferred embodiment of the present utility model, it should be pointed out that:For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (7)
1. one kind 92~96GHz orthomode couplers, it is characterised in that:Including:Rectangular waveguide-circular waveguide transition rectangular waveguide
End(1), rectangular waveguide-circular waveguide transition(2)And orthomode coupler;The orthomode coupler includes:Orthomode coupler
Main body removable part(3), orthomode coupler main body rectangular waveguide end(4)With orthomode coupler main body(5);
The rectangular waveguide-circular waveguide transition rectangular waveguide end(1)It is arranged on rectangular waveguide-circular waveguide transition(2)One end;
The rectangular waveguide-circular waveguide transition(2)The other end be connected with the surface of orthomode coupler;The orthomode coupler
Main body removable part(3)With orthomode coupler main body(5)Between pass through orthomode coupler main body rectangular waveguide end(4)Even
Connect.
2. 92~96GHz orthomode couplers according to claim 1, it is characterised in that:The rectangular waveguide-circle ripple
Lead transition(2)On be additionally provided with the first metallic membrane(7);First metallic membrane(7)It is arranged on rectangular waveguide-circular waveguide mistake
Cross(2)Centre is simultaneously fixed by conducting resinl.
3. 92~96GHz orthomode couplers according to claim 1, it is characterised in that:The rectangular waveguide-circle ripple
Lead transition(2)On be additionally provided with rectangular waveguide-circular waveguide transition circular waveguide end(6);The rectangular waveguide-circular waveguide transition(2)
Pass through rectangular waveguide-circular waveguide transition circular waveguide end(6)It is connected with the surface of orthomode coupler.
4. 92~96GHz orthomode couplers according to claim 1, it is characterised in that:The rectangular waveguide-circle ripple
Lead transition(2)It is orthomode coupler main body removable part with orthomode coupler junction(3)With orthomode coupler master
Body(5)Connected outer surface.
5. 92~96GHz orthomode couplers according to claim 4, it is characterised in that:The orthomode coupler master
Body removable part(3)With orthomode coupler main body(5)Connecting place is additionally provided with circular waveguide and leads directly to arm(8).
6. 92~96GHz orthomode couplers according to claim 5, it is characterised in that:The orthomode coupler master
Body(5)On be additionally provided with the second metallic membrane mounting groove(9)With the second metallic membrane(10);Second metallic membrane(10)Set
In the second metallic membrane mounting groove(9)It is interior;The circular waveguide leads directly to arm(8)Connect the second metallic membrane mounting groove(9);Described
Two metallic membrane mounting grooves(9)With the second metallic membrane(10)It is arranged on orthomode coupler main body removable part(3)Just
Hand over mode coupler main body(5)Connecting place.
7. 92~96GHz orthomode couplers according to claim 6, it is characterised in that:The orthomode coupler master
Body(5)On be additionally provided with common port circular waveguide(11);The common port circular waveguide(11)With the second metallic membrane mounting groove(9)Phase
Even.
Priority Applications (1)
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CN201621473527.7U CN206322828U (en) | 2016-12-29 | 2016-12-29 | One kind 92~96GHz orthomode couplers |
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CN201621473527.7U CN206322828U (en) | 2016-12-29 | 2016-12-29 | One kind 92~96GHz orthomode couplers |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107367642A (en) * | 2017-08-01 | 2017-11-21 | 北京航天光华电子技术有限公司 | It is a kind of measure waveguide circular polarizer axle than device |
CN107742767A (en) * | 2017-09-19 | 2018-02-27 | 西安电子科技大学 | Fin line type orthomode coupler based on double ridge ledge structures |
-
2016
- 2016-12-29 CN CN201621473527.7U patent/CN206322828U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107367642A (en) * | 2017-08-01 | 2017-11-21 | 北京航天光华电子技术有限公司 | It is a kind of measure waveguide circular polarizer axle than device |
CN107367642B (en) * | 2017-08-01 | 2019-06-18 | 北京航天光华电子技术有限公司 | A kind of device measuring waveguide circular polarizer axis ratio |
CN107742767A (en) * | 2017-09-19 | 2018-02-27 | 西安电子科技大学 | Fin line type orthomode coupler based on double ridge ledge structures |
CN107742767B (en) * | 2017-09-19 | 2019-12-10 | 西安电子科技大学 | Fin line type orthogonal mode coupler based on double-ridge step structure |
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