CN217158595U

CN217158595U - Transition structure from double-ridge waveguide to rectangular waveguide

Info

Publication number: CN217158595U
Application number: CN202221024462.3U
Authority: CN
Inventors: 李稳; 王曙光
Original assignee: Chengdu Oula Microwave Components Co ltd
Current assignee: Chengdu Oula Microwave Components Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-09
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to a microwave technical field specifically relates to a two ridge waveguide to rectangular waveguide transition structure of structure exquisiteness, convenient processing. The transition structure from the double-ridge waveguide to the rectangular waveguide comprises a waveguide cavity, wherein one end of the waveguide cavity is provided with a double-ridge waveguide interface, and the other end of the waveguide cavity is provided with a rectangular waveguide interface; two groups of matching steps are arranged in the waveguide cavity, and extend from the ridge part of the double-ridge waveguide interface to the edge part of the rectangular waveguide interface respectively. The utility model discloses a two ridge waveguide to rectangular waveguide transition structure, through waveguide chamber, two ridge waveguide interfaces, rectangular waveguide interface and match the cooperation such as ladder, during the microwave transmission, two ridge waveguide interface connection to two ridge waveguides, the microwave gets into the waveguide chamber, through the coupling of matching the ladder, then spreads from the rectangular waveguide interface, and rectangular waveguide interface connection's rectangular waveguide continues the transmission with the microwave again, has the characteristics that the structure is exquisite simple, convenient processing.

Description

Transition structure from double-ridge waveguide to rectangular waveguide

Technical Field

The utility model relates to a microwave technical field specifically relates to a two ridge waveguide to rectangular waveguide transition structure of structure exquisiteness, convenient processing.

Background

With the development of microwave technology, unique superiority and huge application prospect of the microwave technology are gradually revealed in a plurality of important fields such as physics, chemistry, electronic information, life science, material science, astronomy, atmosphere and environment monitoring, communication radar, national security and anti-terrorism and the like. In the transmission process of microwaves, interface conversion may exist according to requirements, and sometimes, conversion from straight waveguide transmission to double-ridge waveguide transmission and conversion from double-ridge waveguide transmission to straight waveguide transmission are needed, so that corresponding converters need to be designed.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a two ridge waveguide to rectangular waveguide transition structure of structure exquisiteness, convenient processing.

The utility model discloses a following technical scheme realizes: the transition structure from the double-ridge waveguide to the rectangular waveguide comprises a waveguide cavity, wherein one end of the waveguide cavity is provided with a double-ridge waveguide interface, and the other end of the waveguide cavity is provided with a rectangular waveguide interface; two groups of matching steps are arranged in the waveguide cavity, and the two groups of matching steps respectively extend from the ridge part of the double-ridge waveguide interface to the edge part of the rectangular waveguide interface.

For realizing better the utility model discloses, the matching ladder include a plurality of height continuous ladder that rise gradually, the difference in height between two adjacent continuous ladder is 1mm ~ 2 mm.

For better realizing the utility model discloses, adjacent two the continuous ladder between the difference in height be 1.5 mm.

To better realize the utility model, the two side walls of the waveguide cavity are provided with side wall matching steps.

In order to better realize the utility model, the lateral wall match the ladder and rise gradually from the rectangular waveguide interface to the double-ridge waveguide interface.

For realizing better the utility model discloses, the lateral wall match the ladder and all with waveguide chamber integrated into one piece.

For realizing better the utility model discloses the double ridge waveguide kneck be provided with first flange, be provided with first screw hole and cotter hole on this first flange.

For realizing better the utility model discloses rectangular waveguide kneck be provided with the second flange, be provided with the second screw hole on this second flange.

Compared with the prior art, the utility model, following advantage and beneficial effect have at least: the utility model discloses a two ridge waveguide to rectangular waveguide transition structure, through waveguide chamber, two ridge waveguide interfaces, rectangular waveguide interface and match the cooperation such as ladder, during the microwave transmission, two ridge waveguide interface connection to two ridge waveguides, the microwave gets into the waveguide chamber, through the coupling of matching the ladder, then spreads from the rectangular waveguide interface, and rectangular waveguide interface connection's rectangular waveguide continues the transmission with the microwave again, has the characteristics that the structure is exquisite simple, convenient processing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a transition structure from a double-ridge waveguide to a rectangular waveguide according to the present invention;

fig. 2 is another schematic structural diagram of the transition structure from the double-ridge waveguide to the rectangular waveguide according to the present invention;

fig. 3 is a schematic diagram of the interior of the transition structure from the double-ridge waveguide to the rectangular waveguide according to the present invention;

in the figure, 1-waveguide cavity, 2-double ridge waveguide interface, 3-rectangular waveguide interface, 4-first flange, 5-first threaded hole, 6-pin hole, 7-matching step, 8-second flange, 9-second threaded hole, 10-continuous step, and 11-side wall matching step.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists independently, and A and B exist independently; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.

It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may not be shown in unnecessary detail to avoid obscuring the examples.

As shown in fig. 1 to fig. 3, the transition structure from the double-ridge waveguide to the rectangular waveguide of the present invention includes a waveguide cavity 1, a double-ridge waveguide interface 2 is disposed at one end of the waveguide cavity 1, and a rectangular waveguide interface 3 is disposed at the other end; two groups of matching steps 7 are arranged in the waveguide cavity 1, and the two groups of matching steps 7 respectively extend from the ridge part of the double-ridge waveguide interface 2 to the edge part of the rectangular waveguide interface 3. The utility model discloses a two ridge waveguide to rectangular waveguide transition structure, through waveguide chamber 1, two ridge waveguide interface 2, rectangular waveguide interface 3 and match the cooperation such as ladder 7, during the microwave transmission, two ridge waveguide interface 2 are connected to two ridge waveguides, and the microwave gets into waveguide chamber 1, through the coupling that matches ladder 7, then spreads from rectangular waveguide interface 3, and the rectangular waveguide that rectangular waveguide interface 3 connects continues the transmission with the microwave again, has the exquisite simple, the convenient characteristics of processing of structure.

Preferably, the matching steps 7 comprise a plurality of continuous steps 10 with gradually increasing heights, the height difference between two adjacent continuous steps 10 is 1 mm-2 mm, and the height difference between two adjacent continuous steps 10 is kept consistent, so that the microwaves are gradually coupled and converted, and the loss is reduced as much as possible. It is further preferred that the height difference between two adjacent consecutive steps 10 is 1.5 mm.

Preferably, side wall matching steps 11 are provided on both side walls of the waveguide cavity 1. It is further preferred that said sidewall matching step 11 is gradually raised from the rectangular waveguide interface 3 to the double-ridge waveguide interface 2. The design enables the microwave to be coupled and converted in the waveguide cavity 1 better, and reduces the loss as much as possible.

Preferably, the side wall matching step 11 and the matching step 7 are integrally formed with the waveguide cavity 1, so that the assembly and disassembly of components can be reduced, and some connection loss can be avoided.

Preferably, a first flange 4 is provided at the double-ridge waveguide interface 2, and a first threaded hole 5 and a pin hole 6 are provided on the first flange 4. Further preferably, a second flange 8 is provided at the rectangular waveguide interface 3, and a second threaded hole 9 is provided on the second flange 8.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications may be made to the embodiments described above, or equivalents may be substituted for some of the features described. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. Double-ridge waveguide to rectangle waveguide transition structure, its characterized in that: the waveguide cavity comprises a waveguide cavity (1), wherein one end of the waveguide cavity (1) is provided with a double-ridge waveguide interface (2), and the other end of the waveguide cavity is provided with a rectangular waveguide interface (3); two groups of matching steps (7) are arranged in the waveguide cavity (1), and the two groups of matching steps (7) respectively extend from the ridge part of the double-ridge waveguide interface (2) to the edge part of the rectangular waveguide interface (3).

2. The double-ridge waveguide to rectangular waveguide transition structure of claim 1, wherein: the matching ladder (7) comprises a plurality of continuous ladders (10) with gradually-increased heights, and the height difference between every two adjacent continuous ladders (10) is 1-2 mm.

3. The double-ridge waveguide-to-rectangular waveguide transition structure of claim 2, wherein: the height difference between two adjacent continuous steps (10) is 1.5 mm.

4. The double-ridge waveguide to rectangular waveguide transition structure of claim 3, wherein: and side wall matching steps (11) are arranged on two side walls of the waveguide cavity (1).

5. The double-ridge waveguide-to-rectangular waveguide transition structure of claim 4, wherein: the side wall matching ladder (11) is gradually raised from the rectangular waveguide interface (3) to the double-ridge waveguide interface (2).

6. The double-ridge waveguide to rectangular waveguide transition structure of claim 5, wherein: the side wall matching step (11) and the matching step (7) are integrally formed with the waveguide cavity (1).

7. The double-ridge waveguide to rectangular waveguide transition structure of claim 1, wherein: a first flange (4) is arranged at the double-ridge waveguide interface (2), and a first threaded hole (5) and a pin hole (6) are formed in the first flange (4).

8. The double-ridge waveguide to rectangular waveguide transition structure of claim 1, wherein: a second flange (8) is arranged at the rectangular waveguide interface (3), and a second threaded hole (9) is formed in the second flange (8).