CN112736397B - Band full-band ring coupler - Google Patents

Band full-band ring coupler Download PDF

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Publication number
CN112736397B
CN112736397B CN202011600230.3A CN202011600230A CN112736397B CN 112736397 B CN112736397 B CN 112736397B CN 202011600230 A CN202011600230 A CN 202011600230A CN 112736397 B CN112736397 B CN 112736397B
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China
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coupling
holes
waveguide body
waveguide
band
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CN202011600230.3A
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CN112736397A (en
Inventor
安增权
伍捍东
刘迎喜
杜旭辉
赵娜
何粉绒
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Jiangsu Hengda Microwave Technology Development Co ltd
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Jiangsu Hengda Microwave Technology Development Co ltd
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Abstract

The invention provides a band full-frequency band ring coupler, which comprises a waveguide body, wherein a coupling cavity is formed in the outer surface of the waveguide body, a coupling cover plate is arranged on the outer side of the coupling cavity, the coupling cover plate is fixedly connected with the waveguide body through a connecting screw, a coupling piece is arranged in the coupling cavity, two coupling gaps communicated with the coupling cavity are formed in the inner surface of the waveguide body, a coaxial connector is arranged on the outer surface of the coupling cover plate, one end of the coaxial connector extends into the coupling cavity and is connected with the coupling piece, a coaxial load is arranged on the outer surface of the coupling cover plate, and one end of the coaxial load extends into the coupling cavity and is connected with the coupling piece. The waveguide ring is coupled in the main waveguide, can bear larger power, the coupling flatness of the collected coupling signals is within +/-0.5 dB, and the coupling signal detection effect of small volume and broadband frequency is realized.

Description

Band full-band ring coupler
Technical Field
The invention relates to a band full-band ring coupler, belonging to the technical field of waveguide couplers.
Background
At present, waveguide couplers are commonly used at home and abroad and can be divided into four types of high-directivity couplers, cross couplers, ring couplers and probe couplers according to different coupling modes. With the rapid development of the communication industry, broadband, high-frequency and small-volume couplers have become the trend of development, and miniaturized waveguide couplers also have to develop towards broadband, so that at present, the waveguide couplers have the defects of inapplicability to full waveguide bandwidth, small power capacity, large volume, larger standing wave ratio coefficient, poor coupling flatness and influence on detection effect.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a band full-band ring coupler so as to solve the problems in the background art.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a full frequency channel ring coupler of wave band, includes the waveguide, the coupling chamber has been seted up to waveguide external surface, the coupling chamber outside is equipped with the coupling apron, coupling apron passes through connecting screw and waveguide body fixed connection, be equipped with the coupling piece in the coupling chamber, two communicating coupling slots with the coupling chamber have been seted up to waveguide internal surface, coupling apron surface mounting has coaxial connector, coaxial connector one end extends to the coupling intracavity and is connected with the coupling piece, coupling apron surface mounting has coaxial load, coaxial load one end extends to the coupling intracavity and is connected with the coupling piece.
Further, the waveguide body is sleeved with the pressing ring, an arc-shaped groove matched with the pressing ring is formed in the inner surface of the coupling cover plate, the pressing ring is arranged in the arc-shaped groove, a round hole is formed in the position where the connecting screw is mounted on the outer surface of the coupling cover plate, two through holes overlapped with the round hole are formed in the outer surface of the pressing ring, two square holes overlapped with the through holes are formed in the outer surface of the waveguide body, square blocks are mounted in the square holes, a threaded hole matched with the connecting screw is formed in one face of each square block, and the connecting screw penetrates through the round hole and the through hole to be connected in the threaded hole in a threaded mode.
Further, two pin posts are symmetrically fixed on the outer surface of the pressing ring, two pin holes matched with the pin posts are symmetrically formed in the arc-shaped groove, and the pin posts are inserted in the pin holes.
Further, two sealing grooves are symmetrically formed in the inner surface of the coupling cover plate, sealing gaskets are arranged in the sealing grooves, and the sealing gaskets are attached to the waveguide body.
Further, flanges are fixed at two ends of the waveguide body, through holes are formed in the lower portion of the annular side face of the flange, a bottom plate arranged along the length direction of the waveguide body is arranged on the lower side of the waveguide body, two supporting rods matched with the through holes are symmetrically fixed on the upper surface of the bottom plate, and the upper ends of the supporting rods are inserted into the through holes.
Further, two the guiding hole has been seted up to branch opposite surface, install the threaded rod of arranging along bottom plate length direction in the guiding hole, the both sides of guiding hole all are equipped with the nut, nut threaded connection is on the threaded rod, the flange deviates from the one side of waveguide body and is equipped with the sealing disc, sealing disc annular side lower part position installs the link plate, threaded rod one end and link plate fixed connection.
Further, a rubber boss is fixed at the middle part of one surface of the sealing plate facing the flange, the rubber boss is inserted in the waveguide body and is attached to the inner wall of the waveguide body, a plurality of rubber raised strips are uniformly fixed on one surface of the rubber boss facing the sealing plate, a plurality of blind holes matched with the rubber raised strips are uniformly formed in one surface of the sealing plate facing the rubber boss, and the rubber raised strips are fixed in the blind holes.
The invention has the beneficial effects that:
1. According to the full-band-type ring coupler with the wave band, a standard wave guide port is adopted in a wave guide body, two strip-shaped coupling slots with different sizes and in a proportional relation between space and frequency are formed in a coupling cavity, signals of a main wave guide are coupled into the coupling cavity through the coupling slots, and then coupled signals are collected into the coaxial port through connection of a coupling piece and a coaxial connector.
2. According to the full-band ring coupler of the wave band, the square block with the threaded hole is inserted into the square hole on the wave conductor, the square block is limited in the square hole by the pressing ring, the connecting screw penetrates through the round hole and the through hole and then is screwed into the threaded hole, the fixed connection of the coupling cover plate and the wave conductor is achieved, when the threaded hole matched with the connecting screw is damaged, the damaged square block is taken out from the square hole and replaced, the whole wave conductor is not required to be abandoned, and the waste of resources is reduced.
3. According to the band full-band ring coupler, two support rods on the bottom plate are respectively inserted into the penetrating holes on the two flanges, so that the bottom plate and the waveguide body are inserted, the bottom plate and the two support rods play a role in supporting the waveguide body together, and the waveguide body can be placed stably.
4. After the bottom plate and the waveguide body are assembled, the position of the threaded rod in the guide hole is adjusted to enable the sealing disc to be attached to the flange, then the relative positions of the threaded rod and the supporting rod are fixed by using two nuts, and the relative positions of the sealing disc and the flange are limited at the moment, so that the purpose of sealing two ends of the waveguide body by using the sealing disc is achieved, and the function of protecting the waveguide body is achieved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a band full band loop coupler according to the present invention;
FIG. 2 is a schematic diagram illustrating the assembly of a coupling cover plate and a waveguide body in a band full-band ring coupler according to the present invention;
FIG. 3 is a perspective view of a square block in a band full band ring coupler of the present invention;
FIG. 4 is a cross-sectional view of a waveguide in a band full band loop coupler of the present invention;
FIG. 5 is a cross-sectional view of a compression ring in a band full band ring coupler of the present invention;
FIG. 6 is a cross-sectional view of a coupling cover plate in a band full band ring coupler of the present invention;
In the figure: 1-wave conductor, 2-coupling apron, 3-coaxial connector, 4-clamping ring, 5-coaxial load, 6-sealing gasket, 7-flange, 8-sealing disk, 9-rubber boss, 10-connecting plate, 11-threaded rod, 12-supporting rod, 13-nut, 14-bottom plate, 15-coupling cavity, 16-coupling piece, 17-coupling seam, 18-connecting screw, 19-square block, 20-pin, 21-threaded hole, 22-square hole, 23-through hole, 24-round hole, 25-pin hole, 26-arc groove.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a full frequency channel ring coupler of wave band, including waveguide 1, coupling cavity 15 has been seted up to waveguide 1 surface, coupling cavity 15 outside is equipped with coupling apron 2, coupling apron 2 passes through connecting screw 18 and waveguide 1 fixed connection, be equipped with coupling piece 16 in the coupling cavity 15, waveguide 1 internal surface has seted up two and coupling cavity 15 communicating coupling seam 17, coupling apron 2 surface mounting has coaxial connector 3, coaxial connector 3 one end extends to coupling cavity 15 in and is connected with coupling piece 16, coupling apron 2 surface mounting has coaxial load 5, coaxial load 5 one end extends to coupling cavity 15 in and is connected with coupling piece 16, waveguide 1 adopts standard waveguide mouth, two bar coupling seam 17 of two different sizes, interval and frequency proportional relation are opened in coupling cavity 15, couple the signal coupling of main waveguide to coupling cavity 15 through coupling seam 17, and then link to through coupling piece 16 and coaxial connector 3, collect the coupling signal in the coaxial mouth, waveguide ring coupling of this kind of design scheme can bear great power in the guide, and the coupling signal collection is flat in the coupling range of receiving the coupling signal of degree is 0.5dB, the effect of detecting the broadband is realized, the broadband is coupled.
As an embodiment of the present invention: the waveguide body 1 is sleeved with the holding ring 4, the inner surface of the coupling cover plate 2 is provided with an arc groove 26 matched with the holding ring 4, the holding ring 4 is arranged in the arc groove 26, the position of the coupling cover plate 2, where the connecting screw 18 is arranged, is provided with a round hole 24, the outer surface of the holding ring 4 is provided with two through holes 23 overlapped with the round hole 24, the outer surface of the waveguide body 1 is provided with two square holes 22 overlapped with the through holes 23, the square holes 22 are internally provided with square blocks 19, one surface of each square block 19 facing the through holes 23 is provided with a threaded hole 21 matched with the connecting screw 18, the connecting screw 18 passes through the round hole 24 and the through holes 23 to be connected in the threaded holes 21 in a threaded manner, the square blocks 19 processed with the threaded holes 21 are inserted in the square holes 22 on the waveguide body 1, then the square blocks 19 are limited in the square holes 22 by the holding ring 4, and then the connecting screw 18 are screwed into the threaded holes 21 after passing through the round holes 24 and the through holes 23, so that the fixed connection of the coupling cover plate 2 and the waveguide body 1 is realized, when the square blocks 19 matched with the connecting screw 18 are damaged, the square blocks 19 are taken out from the square holes 22, waste of the waveguide body 1 is reduced, and the waste of the whole waveguide body 1 is avoided.
As an embodiment of the present invention: two pin posts 20 are symmetrically fixed on the outer surface of the pressing ring 4, two pin holes 25 matched with the pin posts 20 are symmetrically formed in the arc-shaped groove 26, the pin posts 20 are inserted into the pin holes 25, the two pin posts 20 on the pressing ring 4 are respectively inserted into the two pin holes 25 on the coupling cover plate 2, the relative positions of the pressing ring 4 and the coupling cover plate 2 are fixed, and meanwhile, the round holes 24 and the through holes 23 are aligned quickly.
As an embodiment of the present invention: two seal grooves are symmetrically formed in the inner surface of the coupling cover plate 2, a seal gasket 6 is arranged in each seal groove, the seal gasket 6 is attached to the waveguide body 1, the seal gasket 6 is installed between the coupling cover plate 2 and the waveguide body 1, and the tightness between the coupling cover plate 2 and the waveguide body 1 is improved.
As an embodiment of the present invention: the two ends of the waveguide body 1 are both fixed with flanges 7, through holes are formed in the lower portion of the annular side face of the flanges 7, a bottom plate 14 which is arranged along the length direction of the waveguide body 1 is arranged on the lower side of the waveguide body 1, two supporting rods 12 which are matched with the through holes are symmetrically fixed on the upper surface of the bottom plate 14, the upper ends of the supporting rods 12 are inserted into the through holes, the two supporting rods 12 on the bottom plate 14 are respectively inserted into the through holes on the two flanges 7, the insertion of the bottom plate 14 and the waveguide body 1 is realized, and at the moment, the bottom plate 14 and the two supporting rods 12 play a role in supporting the waveguide body 1 together, so that the waveguide body 1 is convenient to stably place.
As an embodiment of the present invention: the guide holes are formed in the opposite surfaces of the two supporting rods 12, the threaded rods 11 which are arranged along the length direction of the bottom plate 14 are inserted into the guide holes, nuts 13 are arranged on two sides of the guide holes, the nuts 13 are in threaded connection with the threaded rods 11, a sealing disc 8 is arranged on one side of the flange 7, which faces away from the waveguide body 1, a connecting plate 10 is arranged at the lower position of the annular side surface of the sealing disc 8, one end of the threaded rods 11 is fixedly connected with the connecting plate 10, after the bottom plate 14 and the waveguide body 1 are assembled, the positions of the threaded rods 11 in the guide holes are adjusted to enable the sealing disc 8 to be attached to the flange 7, then the relative positions of the threaded rods 11 and the supporting rods 12 are fixed by the aid of the two nuts 13, at the moment, the relative positions of the sealing disc 8 and the flange 7 are limited, namely the purpose of sealing the two ends of the waveguide body 1 by the sealing disc 8 is achieved, and the effect of protecting the waveguide body 1 is achieved.
As an embodiment of the present invention: the sealing disc 8 is fixed with the rubber boss 9 towards flange 7's one side middle part position, rubber boss 9 is installed in waveguide 1 and is laminated mutually with waveguide 1 inner wall, rubber boss 9 evenly is fixed with a plurality of rubber sand grip towards sealing disc 8's one side, sealing disc 8 evenly has offered a plurality of and rubber sand grip matched with blind hole towards rubber boss 9's one side, the rubber sand grip is fixed in the blind hole, fix the rubber sand grip in the blind hole, realize rubber boss 9 and sealing disc 8's stable being connected, sealing disc 8 and flange 7 are laminated mutually when, rubber boss 9 is installed in waveguide 1, improve sealing disc 8 and waveguide 1 relative position's fixed.
The specific embodiment is as follows: the waveguide body 1 adopts a standard waveguide port, two strip-shaped coupling slits 17 with different sizes and in a proportional relation between the distance and the frequency are formed in the coupling cavity 15, signals of a main waveguide are coupled into the coupling cavity 15 through the coupling slits 17, and then the coupled signals are collected into the coaxial port through connection of the coupling piece 16 and the coaxial connector 3.
The square block 19 with the threaded hole 21 is inserted into the square hole 22 on the waveguide body 1, the square block 19 is limited in the square hole 22 by the pressing ring 4, the connecting screw 18 is screwed into the threaded hole 21 after passing through the round hole 24 and the through hole 23, the fixed connection of the coupling cover plate 2 and the waveguide body 1 is realized, when the threaded hole 21 matched with the connecting screw 18 is damaged, the damaged square block 19 is taken out from the square hole 22 and replaced, the whole waveguide body 1 is not required to be abandoned, and the waste of resources is reduced.
Two support rods 12 on the bottom plate 14 are respectively inserted into through holes on the two flanges 7, so that the bottom plate 14 and the waveguide 1 are spliced, the bottom plate 14 and the two support rods 12 play a role in supporting the waveguide 1 together, the waveguide 1 is convenient to stably place, the position of the threaded rod 11 in the guide hole is adjusted, the sealing disc 8 is attached to the flanges 7, then the relative positions of the threaded rod 11 and the support rods 12 are fixed by using the two nuts 13, the relative positions of the sealing disc 8 and the flanges 7 are limited, namely, the purpose of sealing two ends of the waveguide 1 by using the sealing disc 8 is realized, and the function of protecting the waveguide 1 is achieved.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a full frequency channel ring coupler of wave band, includes waveguide body (1), its characterized in that: the utility model discloses a waveguide body, coupling cavity (15) has been seted up to waveguide body (1) surface, coupling cavity (15) outside is equipped with coupling apron (2), coupling apron (2) are through connecting screw (18) and waveguide body (1) fixed connection, be equipped with coupling piece (16) in coupling cavity (15), waveguide body (1) internal surface has been seted up two and coupling cavity (15) communicating coupling seam (17), coupling apron (2) surface mounting has coaxial connector (3), coaxial connector (3) one end extends to in coupling cavity (15) and is connected with coupling piece (16), coupling apron (2) surface mounting has coaxial load (5), coaxial load (5) one end extends to in coupling cavity (15) and is connected with coupling piece (16), the cover is equipped with pressure holding circle (4) on waveguide body (1), pressure holding circle (4) internal surface have been seted up with pressure holding circle (4) communicating arc groove (26), pressure holding circle (4) set up in coupling cavity (15) and be connected with coupling piece (16) external surface (24) are offered the through-hole (24) and are coincident with each other, two square holes (22) which are coincident with the through holes (23) are formed in the outer surface of the waveguide body (1), square blocks (19) are arranged in the square holes (22), threaded holes (21) matched with the connecting screws (18) are formed in one face of each square block (19) facing the through hole (23), and the connecting screws (18) penetrate through the round holes (24) and the through holes (23) in a threaded mode and are connected in the threaded holes (21).
2. The band full band loop coupler of claim 1 wherein: two pin posts (20) are symmetrically fixed on the outer surface of the pressing ring (4), two pin holes (25) matched with the pin posts (20) are symmetrically formed in the arc-shaped groove (26), and the pin posts (20) are inserted into the pin holes (25).
3. The band full band loop coupler of claim 1 wherein: two seal grooves are symmetrically formed in the inner surface of the coupling cover plate (2), a sealing gasket (6) is arranged in each seal groove, and the sealing gasket (6) is attached to the waveguide body (1).
4. The band full band loop coupler of claim 1 wherein: the two ends of the waveguide body (1) are both fixed with flanges (7), insertion holes are formed in the lower portions of annular side faces of the flanges (7), a bottom plate (14) arranged along the length direction of the waveguide body (1) is arranged on the lower side of the waveguide body (1), two supporting rods (12) matched with the insertion holes are symmetrically fixed on the upper surface of the bottom plate (14), and the upper ends of the supporting rods (12) are inserted into the insertion holes.
5. The band full band loop coupler of claim 4 wherein: two guiding holes have been seted up to branch (12) opposite face, install threaded rod (11) that arrange along bottom plate (14) length direction in the guiding hole, the both sides of guiding hole all are equipped with nut (13), nut (13) threaded connection is on threaded rod (11), one side that flange (7) deviate from waveguide (1) is equipped with sealing disk (8), even board (10) are installed to sealing disk (8) annular side lower part position, threaded rod (11) one end and even board (10) fixed connection.
6. The band full band loop coupler of claim 5 wherein: the sealing disc (8) is fixed with a rubber boss (9) at the middle part of one face of the flange (7), the rubber boss (9) is inserted in the waveguide body (1) and is attached to the inner wall of the waveguide body (1), a plurality of rubber convex strips are uniformly fixed on one face of the sealing disc (8) facing the rubber boss (8), a plurality of blind holes matched with the rubber convex strips are uniformly formed in one face of the sealing disc (8) facing the rubber boss (9), and the rubber convex strips are fixed in the blind holes.
CN202011600230.3A 2020-12-29 Band full-band ring coupler Active CN112736397B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011600230.3A CN112736397B (en) 2020-12-29 Band full-band ring coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011600230.3A CN112736397B (en) 2020-12-29 Band full-band ring coupler

Publications (2)

Publication Number Publication Date
CN112736397A CN112736397A (en) 2021-04-30
CN112736397B true CN112736397B (en) 2024-06-21

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1519558A (en) * 2003-01-20 2004-08-11 宁波市二轻工业研究设计院 Device for measuring transmission factor of optical glass
CN101728618A (en) * 2008-10-28 2010-06-09 西安恒达微波技术开发公司 Double ridge waveguide directional coupler

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1519558A (en) * 2003-01-20 2004-08-11 宁波市二轻工业研究设计院 Device for measuring transmission factor of optical glass
CN101728618A (en) * 2008-10-28 2010-06-09 西安恒达微波技术开发公司 Double ridge waveguide directional coupler

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