CN218300210U

CN218300210U - Compact type coupler

Info

Publication number: CN218300210U
Application number: CN202222486514.5U
Authority: CN
Inventors: 胡南; 谢文青; 刘建睿; 刘爽; 赵丽新
Original assignee: Beijing Xingyinglian Microwave Technology Co ltd
Current assignee: Beijing Xingyinglian Microwave Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-13
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a compact mould coupler relates to coupler technical field. The coupler comprises an upper cavity and a lower cavity, the upper cavity and the lower cavity are fixedly connected to form a coupler main body, a cavity structure is formed in the coupler main body and comprises a mode separation cavity, a through cavity and a side through cavity, a public port is formed at the outer end of the mode separation cavity, the other end of the mode separation cavity is connected with one end of the through cavity and one end of the side through cavity respectively, a through port is formed at the outer side of the through cavity, an inner port is formed at the outer end of the side through cavity, TE10/TE01 input by the public port is separated into two single transmission modes through the mode separation structure, and the two single transmission modes are output from the through port and the inner port respectively. The coupler can achieve a good mode separation effect in a small size.

Description

Compact type coupler

Technical Field

The utility model relates to a coupler technical field especially relates to a separate effectual compact section mould coupler.

Background

Orthogonal mode converters, also known as dual mode transformers or Orthogonal Mode (OMT) couplers, are an important component of multi-polarized antenna systems and have been used quite widely for many years. The orthogonal mode coupler is used in engineering to increase the communication capacity of the antenna, so that the total amount of channels can be increased by simultaneously using two channels which have different polarization modes and are isolated from each other under the same frequency, and the problem of frequency multiplexing can be solved by connecting the orthogonal mode coupler with a filter. At present, the conventional OMT main structure is divided into an upper cavity and a lower cavity, the upper cavity and the lower cavity are locked and fixed through a fastener, and the OMT structure has the defects of large volume, poor mode separation effect and inconvenience in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem how to provide a compact section mould coupler that is small, and the mode separation is effectual.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a compact die coupler, comprising: the coupler comprises an upper cavity and a lower cavity, wherein the upper cavity and the lower cavity are fixedly connected to form a coupler main body, a cavity structure is formed in the coupler main body, the cavity structure comprises a mode separation cavity, a through cavity and a side through cavity, a public port is formed at the outer end of the mode separation cavity, the other end of the mode separation cavity is respectively connected with one end of the through cavity and one end of the side through cavity, a through port is formed at the outer side of the through cavity, an inner port is formed at the outer end of the side through cavity, and a TE10/TE01 module input from the public port is separated into two single transmission modes through the mode separation structure and is output from the through port and the inner port respectively;

the straight-through cavity is provided with a plurality of metal vertical separation sheets at intervals at a straight-through opening close to the inner side, the metal vertical separation sheets are used for filtering, electromagnetic waves of one mode input by a public port are inhibited, electromagnetic waves of the other mode are output through the straight-through opening, and the arrangement density of the metal vertical separation sheets influences the mode transmission effect.

The side through cavity is provided with a plurality of metal horizontal separation sheets at intervals close to the inner side through hole, the metal horizontal separation sheets are used for filtering and inhibiting electromagnetic waves of one mode input by the public port, the electromagnetic waves of the other mode are output after passing through the inner side hole and the outer side hole, and the arrangement density of the metal horizontal separation sheets influences the mode transmission effect.

The further technical scheme is as follows: the coupler further comprises a connecting section, the connecting section is fixed on the outer side of the inner side opening, and an outer side opening communicated with the inner side opening is formed in the outer side of the connecting section.

The further technical scheme is as follows: the connection section is integrally of a cylindrical structure, a continuous boss structure is formed on the inner wall of one long edge of the connection section, and the boss structure is used for gradually transferring a non-standard waveguide port to a standard waveguide port.

The further technical scheme is as follows: and a mode separation clapboard is fixed in the mode separation cavity and is used for separating TE10 mode electromagnetic waves and TE01 mode electromagnetic waves input by a public port, so that the electromagnetic waves in different modes are transmitted through the outer port and the straight port respectively.

The further technical scheme is as follows: the mode separation baffle extends along the axial direction of the mode separation cavity, and the lower side surface of the mode separation baffle is fixedly connected with the lower inner wall of the mode separation cavity.

The further technical scheme is as follows: the length of the mode separating partition plate is smaller than that of the mode separating cavity, and the mode separating partition plate is arranged close to the inner side of the mode separating cavity, so that the right end of the mode separating partition plate is at a distance from the common port.

The further technical scheme is as follows: the cross section of the mode separation partition plate is a right-angled triangle, the inclined plane of the mode separation partition plate faces the public port, and the thickness of the mode separation partition plate is gradually increased from inside to outside.

The further technical scheme is as follows: and flange connecting parts are respectively formed on the coupler body outside the public port, the coupler body outside the straight port and the coupler body outside the outer port.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the orthogonal mode coupler is provided with a metal vertical separation sheet and a metal horizontal separation sheet for filtering, the TE10/TE01 mode of a public port is separated into two single modes through a mode separation structure, the two single modes are transmitted from a side port and a straight port, and a mode separation partition plate is arranged in a mode separation cavity, so that a good mode separation effect can be achieved under the smaller size.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a compact form coupler (OMT) according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a right-side view structure of a compact die coupler according to an embodiment of the present invention;

fig. 3 is a schematic front view of a compact die coupler according to an embodiment of the present invention;

fig. 4 is a schematic left-side view of a compact die coupler according to an embodiment of the present invention;

fig. 5 is a schematic top view of a compact die coupler according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional structure diagram of a compact die coupler according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an upper cavity in a compact die coupler according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a lower cavity in a compact die coupler according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a connection section in a compact die coupler according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a mode separating barrier in a compact die coupler according to an embodiment of the present invention;

fig. 11 is a perspective view of a main structure of a compact die coupler according to an embodiment of the present invention;

fig. 12 is a top perspective view of a body structure of a compact die coupler according to an embodiment of the present invention;

fig. 13 is a schematic diagram of a cavity structure inside the compact die coupler according to an embodiment of the present invention;

fig. 14 is a schematic diagram of a cavity structure inside a compact die coupler according to an embodiment of the present invention (including a metal horizontal spacer, a metal vertical spacer, and a mode separation spacer);

wherein: 1. An upper cavity; 2. a lower cavity; 3. a common port; 4. a straight opening; 5. an inner port; 6. a connecting section; 7. an outer port; 8. a boss structure; 9. a mode separating barrier; 10. a metal vertical separator sheet; 11. a metal horizontal separator; 12. and a flange connecting part.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 8, the embodiment of the utility model discloses a compact section mould coupler, including last cavity 1 and lower cavity 2, go up cavity 1 and lower cavity 2 and use the metal material preparation, go up cavity 1 and constitute the coupler main part after cavity 2 passes through screw or bolt fixed connection down, can also accomplish through other forms between the two and connect, do not describe here any longer. The coupler is characterized in that a cavity structure is formed in the coupler body and comprises a mode separation cavity, a through cavity and a side through cavity, a public port 3 is formed at the outer end of the mode separation cavity, the other end of the mode separation cavity is respectively connected with one end of the through cavity and one end of the side through cavity, a through port 4 is formed at the outer side of the through cavity, an inner side port 5 is formed at the outer end of the side through cavity, as shown in fig. 5, the mode separation cavity and the through cavity are arranged on a straight line, and the side through cavity is perpendicular to the mode separation cavity.

Further, as can be seen from fig. 5, in the present application, the mode separating chamber has an inner diameter which is gradually maintained from the common port 3 and then forms a constriction at the innermost side, and the through chamber is first maintained from the inside to the outside and then forms a constriction at the outermost side of the through port. In the using process of the device, a TE10/TE01 mode input from a common port is separated into two single transmission modes through a mode separating structure in a mode separating cavity, and the two single transmission modes are respectively output from a straight port and an inner port. It should be noted that the shape of the common port in this application may be square or circular, two TE10/TE01 modes exist in the common port, the outer port and the straight port respectively transmit a single mode, and the specific shape thereof may also be circular or square.

Further, as shown in fig. 1 to 6 and 9, the coupler further includes a connecting section 6, the connecting section 6 is fixed to the outside of the inner port 5, and an outer port 7 communicating with the inner port 5 is formed on the outside of the connecting section 6. Further, the connecting section 6 and the inner port are connected together by screws or bolts, and the two can be connected in other forms, which is not described herein.

Further, as shown in fig. 8, 11, and 13-14, the connection section 6 is a cylindrical structure as a whole, a continuous boss structure 8 is formed on an inner wall of one long side of the connection section 6, and the boss structure 8 is used for gradually transferring a non-standard waveguide port to a standard waveguide port. The boss structure 8 comprises a plurality of continuous bosses, the number of the bosses can be 4 or more than 4, and the heights of the bosses are gradually increased from inside to outside, so that the distance between the bosses and the inner wall of the connecting section is gradually reduced.

Further, as shown in fig. 6 and 10, the mode separating structure may be a mode separating partition 9 fixed in the mode separating cavity, and the mode separating partition 9 is used for separating the TE10 mode electromagnetic wave and the TE01 mode electromagnetic wave input from the common port 3, so that the electromagnetic waves of different modes are transmitted through the outer port 7 and the through port 4, respectively. Further, as shown in fig. 6, the mode separating partition 9 extends along the axial direction of the mode separating chamber, and its lower side surface is fixedly connected to the lower inner wall of the mode separating chamber.

Further, the overall structure of the mode separation partition plate is similar to a trapezoid structure, as shown in fig. 6 and 9, the cross section of the mode separation partition plate 9 is a right triangle, the inclined surface of the mode separation partition plate 9 faces the common port 3, the thickness of the mode separation partition plate 9 is gradually increased from inside to outside, and the inclination angle and the extension area of the partition plate are adjusted to influence the effect of mode separation. The length of the mode separating partition 9 is smaller than that of the mode separating chamber, and the mode separating partition 9 is disposed near the inner side of the mode separating chamber, so that the right end of the mode separating partition 9 has a distance from the common port, that is, the inner wall of the mode separating chamber on the right side of the mode separating partition 9 is smooth.

Further, as shown in fig. 5, 11 and 14, a plurality of vertical metal separating sheets 10 are arranged at intervals at the through opening of the through cavity near the inner side, and the vertical metal separating sheets 10 are used for filtering and suppressing the electromagnetic wave of one mode input by the common port 3, while the electromagnetic wave of the other mode is output through the through opening. A plurality of metal horizontal separation sheets 11 are arranged at intervals in the side through cavity close to the inner side port 5, the metal horizontal separation sheets 11 are used for filtering, electromagnetic waves of one mode input by the public port 3 are restrained, electromagnetic waves of the other mode are output after passing through the inner side port and the outer side port, and the arrangement density of the metal vertical separation sheets 10 and the metal horizontal separation sheets 11 influences the mode transmission effect. The metal vertical separating sheet 10 and the metal horizontal separating sheet 11 both have a certain width, and the whole is arranged in parallel with the corresponding cavity. It should be noted that the types of the waves filtered by the metal vertical separating plate 10 and the metal horizontal separating plate 11 are different.

Further, as shown in fig. 1 to 8, flange connection portions 12 are respectively formed on the coupler body outside the common port 3, the coupler body outside the through port 4, and the coupler body outside the outer port 7, and the couplers and corresponding devices to be connected can be connected together through the flange connection portions 12, and the couplers connected together can be conveniently separated as required.

The coupler is provided with the metal vertical separation sheet and the metal horizontal separation sheet for filtering, the TE10/TE01 mode of a public port is separated into two single modes through the mode separation structure, the two single modes are transmitted from a side port and a straight port, and the mode separation cavity is internally provided with the mode separation partition plate, so that a better mode separation effect can be realized under a smaller size.

Claims

1. A compact die coupler, comprising: the coupler comprises an upper cavity (1) and a lower cavity (2), wherein the upper cavity (1) and the lower cavity (2) are fixedly connected to form a coupler body, a cavity structure is formed in the coupler body, the cavity structure comprises a mode separation cavity, a through cavity and a side through cavity, a public port (3) is formed at the outer end of the mode separation cavity, the other end of the mode separation cavity is respectively connected with one end of the through cavity and one end of the side through cavity, a through port (4) is formed at the outer side of the through cavity, an inner side port (5) is formed at the outer end of the side through cavity, and TE10/TE01 input from the public port is separated into two single transmission modes through the mode separation structure in the mode separation cavity and is output from the through port and the inner side port respectively;

a plurality of metal vertical separation sheets (10) are arranged at the straight opening of the inner side of the straight-through cavity at intervals, the metal vertical separation sheets (10) are used for filtering, electromagnetic waves of one mode input by the public port (3) are inhibited, electromagnetic waves of the other mode are output through the straight opening, and the arrangement density of the metal vertical separation sheets (10) influences the mode transmission effect;

the side through cavity is provided with a plurality of metal horizontal separation sheets (11) at intervals close to the inner side port (5), the metal horizontal separation sheets (11) are used for filtering, electromagnetic waves of one mode input by the public port (3) are restrained, electromagnetic waves of the other mode are output after passing through the inner side port and the outer side port, and the arrangement density of the metal horizontal separation sheets (11) influences the mode transmission effect.

2. The compact die coupler of claim 1 wherein: the coupler further comprises a connecting section (6), the connecting section (6) is fixed on the outer side of the inner side opening (5), and an outer side opening (7) communicated with the inner side opening (5) is formed in the outer side of the connecting section (6).

3. The compact die coupler of claim 2, wherein: the connection section (6) is of a cylindrical structure as a whole, a continuous boss structure (8) is formed on the inner wall of one long edge of the connection section (6), and the boss structure (8) is used for gradually transferring a non-standard waveguide port to a standard waveguide port.

4. The compact die coupler of claim 2, wherein: and a mode separation partition plate (9) is fixed in the mode separation cavity, and the mode separation partition plate (9) is used for separating TE10 mode electromagnetic waves and TE01 mode electromagnetic waves input by the common port (3) so that electromagnetic waves in different modes are transmitted through the outer port (7) and the straight port (4) respectively.

5. The compact die coupler of claim 4, wherein: the mode separation clapboard (9) extends along the axial direction of the mode separation cavity, and the lower side surface of the mode separation clapboard is fixedly connected with the lower inner wall of the mode separation cavity.

6. The compact die coupler of claim 5, wherein: the length of the mode separating partition (9) is smaller than that of the mode separating chamber, and the mode separating partition (9) is arranged close to the inner side of the mode separating chamber, so that the right end of the mode separating partition (9) has a distance from the common port (3).

7. The compact die coupler of claim 4, wherein: the cross section of mode separation baffle (9) is right triangle, just the inclined plane orientation of mode separation baffle (9) public port (3), the thickness of mode separation baffle (9) increases from inside to outside gradually.

8. The compact die coupler of claim 1, wherein: and flange connecting parts (12) are respectively formed on the coupler body outside the public port (3), the coupler body outside the straight port (4) and the coupler body outside the outer port (7).