CN217740760U

CN217740760U - High-frequency millimeter wave coaxial converter

Info

Publication number: CN217740760U
Application number: CN202221410779.0U
Authority: CN
Inventors: 安增权; 韩建; 朱丁香
Original assignee: Jiangsu Hengda Microwave Technology Development Co ltd
Current assignee: Jiangsu Hengda Microwave Technology Development Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-04
Anticipated expiration: 2032-06-08

Abstract

The utility model provides a coaxial converter of high frequency millimeter wave, including the waveguide chamber, the waveguide chamber is disc body structure, waveguide chamber one side middle part position is equipped with the wave guide, two locating pins are installed to waveguide chamber side symmetry, be equipped with the matching step in the wave guide, match the step width homogeneous phase, length and highly inconsistent, the central point that the matching step is located the wave guide broadside puts, match the coaxial inner conductor that the step rear end has 1.0 joint, 1.0's joint is located the central point in whole wave guide cross-section and puts, there is coaxial shell waveguide chamber one side middle part position that deviates from the wave guide through the mounting screw, coaxial shell one end is the interface of standard 1.0 who has the external screw thread, be the through-hole in the middle of the coaxial shell, the through-hole size is the outer conductor internal diameter of 1.0 interface, the utility model discloses following beneficial effect has: the product cost is reduced, and the method is suitable for batch generation, processing and debugging.

Description

High-frequency millimeter wave coaxial converter

Technical Field

The utility model relates to a coaxial converter of high frequency millimeter wave belongs to feeder system technical field.

Background

In modern radar antenna systems, waveguide coaxial switching is widely used as a mode switching device. Particularly, with the rapid development of the fields of 5G, 6G terahertz and the like and the requirement of domestic production, the demand of domestic and foreign markets on high-frequency devices is increased greatly, and the requirement on products is higher and higher.

As disclosed in the conventional patent CN216251056U, the "millimeter-wave end-fed waveguide in the related art is limited in its integrated processing because a matching block needs to be processed in a small cavity and connected to the coaxial end. In the prior art, the matching block is processed independently, tin is welded on the waveguide cavity, and then the inner conductor is welded on the matching block, so that the risk of melting the first welding is possibly existed in the second welding, and the reliability is not high. In this context, it is urgent to solve the reliability problem of the millimeter wave coaxial waveguide converter. Therefore, the 1.0 joint is difficult to process by soldering.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a high frequency millimeter wave coaxial converter to solve the problem that proposes in the above-mentioned background art, the utility model discloses reduce product cost, be fit for batch production, processing and debugging.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a high frequency millimeter wave coaxial converter, includes the waveguide chamber, the waveguide chamber is disc body structure, waveguide chamber one side middle part position is equipped with the waveguide pipe, two locating pins are installed to waveguide chamber a side symmetry, be equipped with the matching step in the waveguide pipe, the matching step width is the same, length and height are inconsistent, the central point that the matching step is located the waveguide pipe broadside puts, the coaxial inner conductor that the matching step rear end had 1.0 joint, 1.0 joint is located the central point of whole waveguide pipe cross-section puts, the waveguide chamber deviates from one side middle part position of waveguide pipe and installs coaxial shell through the screw, coaxial shell one end is the interface of standard 1.0 who has the external screw thread, be the through-hole in the middle of the coaxial shell, the through-hole size is the outer conductor internal diameter of 1.0 interface.

Further, waveguide chamber one side edge is annular equidistance and has seted up a plurality of counter bores, locating pin and counter bore dislocation are arranged.

Furthermore, one end of the coaxial shell close to the waveguide cavity is fixedly connected with a connecting ring, one surface of the connecting ring facing the waveguide cavity is provided with a plurality of circular holes in an annular and equidistant mode, and the screw penetrates through the circular holes and is fixedly connected with the waveguide cavity.

Further, the waveguide chamber deviates from the one side middle part fixedly connected with round boss of coaxial shell, round boss and waveguide chamber are integrated into one piece structure, the one side that round boss deviates from the waveguide chamber is annular equidistance and has seted up a plurality of square grooves, square inslot ann has inserted square piece, square piece one side is seted up with screw matched with screw hole, set up the interlude hole that aligns with the round hole in the square groove, screw one end is run through interlude hole threaded connection in the threaded hole.

Further, the coaxial shell is made of copper, and the waveguide cavity is made of copper.

Further, the waveguide is a standard BJ740 waveguide or a BJ900 waveguide.

The utility model has the advantages that:

1. the waveguide cavity is formed by integrally processing a stepped magnetic coupling and a 1.0 coaxial inner conductor, is connected with a coaxial shell of the 1.0 coaxial connector through a screw, is simple to process and debug, is suitable for batch production, is relatively low in cost, and can be widely applied to the fields of 5G terahertz, 6G terahertz and the like.

2. Will process on square piece with screw matched with screw hole, then with square piece ann insert in square inslot, realize the equipment of square piece and waveguide chamber, when the downthehole screw thread of screw on the square piece is impaired, change square piece can, need not abandon whole waveguide chamber, reduce the waste of resource.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a high-frequency millimeter wave coaxial converter according to the present invention;

fig. 2 is an enlarged view of a position a of the high-frequency millimeter wave coaxial converter according to the present invention;

fig. 3 is a schematic diagram illustrating an assembly of a coaxial shell and a waveguide cavity in the high-frequency millimeter wave coaxial converter according to the present invention;

fig. 4 is a schematic view illustrating an assembly of a positioning pin, a coaxial shell and a waveguide cavity in the high-frequency millimeter wave coaxial converter according to the present invention;

in the figure: 1-waveguide cavity, 2-positioning pin, 3-countersunk hole, 4-round boss, 5-waveguide tube, 6-square block, 7-threaded hole, 8-screw, 9-coaxial inner conductor, 10-coaxial shell and 11-connecting ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a coaxial converter of high frequency millimeter wave, including waveguide chamber 1, waveguide chamber 1 is the copper product, waveguide chamber 1 is disc body structure, 1 one side middle part position in waveguide chamber is equipped with waveguide 5, waveguide 5 is the BJ740 waveguide 5 or the BJ900 waveguide 5 of standard, two locating pins 2 are installed to 1 side symmetry in waveguide chamber, 1 one side edge in waveguide chamber is annular equidistance and has seted up a plurality of counter bores 3, locating

2 and 3 staggered arrangement of counter bore, the design of counter bore 3 is convenient for install waveguide chamber 1's position.

Referring to fig. 1 and 3, matching steps are arranged in a waveguide tube 5, the matching steps are the same in width and different in length and height, the matching steps are located at the center of the wide side of the waveguide tube 5, a joint of a coaxial inner conductor 9,1.0 with a 1.0 joint at the rear end of the matching steps is located at the center of the cross section of the whole waveguide tube 5, a coaxial shell 10 is mounted at the middle of one side of a waveguide cavity 1, which is far away from the waveguide tube 5, through a screw 8, the coaxial shell 10 is made of copper, one end of the coaxial shell 10 is a standard 1.0 interface with an external thread, a through hole is formed in the middle of the coaxial shell 10, the size of the through hole is the inner diameter of an outer conductor of the 1.0 interface, the waveguide cavity 1 is integrally processed with the coaxial inner conductor 9 of the 1.0 by adopting stepped magnetic coupling, the coaxial shell 10 of the 1.0 coaxial joint is connected by the screw 8, and the processing and debugging are simple, suitable for batch production, and relatively low in cost, and can be widely applied to the fields of terahertz (terahertz) 5G, 6G and the like.

Referring to fig. 1, fig. 2 and fig. 4, a coaxial housing 10 is close to one end fixedly connected with go-between 11 of waveguide cavity 1, go-between 11 is annular equidistance towards one side of waveguide cavity 1 and has seted up a plurality of round holes, screw 8 passes round hole and waveguide cavity 1 fixed connection, waveguide cavity 1 deviates from one side middle part position fixedly connected with round boss 4 of coaxial housing 10, round boss 4 and waveguide cavity 1 are integrated into one piece structure, the one side that round boss 4 deviates from waveguide cavity 1 is annular equidistance and has seted up a plurality of square grooves, square piece 6 has been inserted in the square groove, square piece 6 has seted up threaded hole 7 with screw 8 matched with, the jack that aligns with the round hole is seted up in the square groove, screw 8 one end runs through jack threaded connection in threaded hole 7, screw hole 7 with screw 8 matched with is processed on screw 6, then square piece 6 is inserted in the square groove, realize the equipment of square piece 6 and waveguide cavity 1, when the square screw thread in the threaded hole 7 on square piece 6 is impaired, can be without abandoning whole waveguide cavity 1, reduce the waste of resources.

The specific implementation mode is as follows: will process on square piece 6 with screw 8 matched with screw hole 7, then with square piece 6 assigns into square inslot, realize the equipment of square piece 6 and waveguide chamber 1, when the screw thread in the screw hole 7 on square piece 6 is impaired, change square piece 6 can, need not abandon whole waveguide chamber 1, reduce the waste of resource, waveguide chamber 1 adopts ladder magnetic coupling and 1.0 coaxial inner conductor 9 integrated into one piece to process and forms, adopt screw 8 to be connected with 1.0 coaxial joint's coaxial shell 10, processing, the debugging is simple, be fit for batch production, the cost is lower relatively, can be extensive be applied to 5G, fields such as 6G terahertz now.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims

1. A high-frequency millimeter wave coaxial converter comprising a waveguide cavity (1), characterized in that: waveguide chamber (1) is the disc body structure, waveguide (5) are equipped with in waveguide chamber (1) one side middle part position, waveguide (1) one side symmetry is installed two locating pins (2), be equipped with the matching step in waveguide (5), the matching step width is all the same, length and height are inconsistent, the matching step is located the central point of waveguide (5) broadside and is put, matching step rear end has coaxial inner conductor (9) of 1.0 joint, 1.0's joint is located the central point of whole waveguide (5) cross-section, waveguide chamber (1) deviates from one side middle part position of waveguide (5) and installs coaxial shell (10) through screw (8), coaxial shell (10) one end is the standard 1.0's of having the external screw thread interface, be the through-hole in the middle of coaxial shell (10), the through-hole size is the outer conductor internal diameter of 1.0 interface.

2. A high-frequency millimeter wave coaxial converter according to claim 1, characterized in that: waveguide chamber (1) one side edge is annular equidistance and has seted up a plurality of counter bores (3), locating pin (2) and counter bore (3) staggered arrangement.

3. A high-frequency millimeter wave coaxial converter according to claim 1, characterized in that: coaxial shell (10) are close to one end fixedly connected with go-between (11) in waveguide chamber (1), go-between (11) are annular equidistance towards the one side in waveguide chamber (1) and have seted up a plurality of round holes, screw (8) pass round hole and waveguide chamber (1) fixed connection.

4. A high-frequency millimeter wave coaxial converter according to claim 3, characterized in that: waveguide chamber (1) deviates from one side middle part fixedly connected with round boss (4) of coaxial shell (10), round boss (4) and waveguide chamber (1) are the integrated into one piece structure, the one side that round boss (4) deviates from waveguide chamber (1) is annular equidistance and has seted up a plurality of square grooves, square inslot has inserted square piece (6), square piece (6) one side seted up with screw (8) matched with screw hole (7), the cross-under hole that aligns with the round hole has been seted up in the square groove, screw (8) one end runs through cross-under hole threaded connection in screw hole (7).

5. A high-frequency millimeter wave coaxial converter according to claim 1, characterized in that: the coaxial shell (10) is made of copper, and the waveguide cavity (1) is made of copper.

6. A high-frequency millimeter wave coaxial converter according to claim 1, characterized in that: the waveguide (5) is a standard BJ740 waveguide (5) or a BJ900 waveguide (5).