CN220731805U - Novel broadband waveguide circular polarizer - Google Patents

Abstract

The utility model belongs to the technical field of circular polarizers, and particularly relates to a novel broadband waveguide circular polarizer, which comprises a connector, wherein a phase shifter is connected to the inner side of the connector, a protective outer frame is clamped on the outer side of the phase shifter, two ends of the protective outer frame are clamped on the connector, the protective outer frame comprises a sleeve joint plate, the sleeve joint plate is sleeved on the connector, a protective curtain is clamped on the inner side of the sleeve joint plate, and the protective curtain is clamped on the outer side of the phase shifter. When the rectangular waveguide protection device is used, the rectangular waveguide can be protected through the protection outer frame, so that the situation that sundries are clamped in tooth grooves on the rectangular waveguide is avoided, and the protection performance of equipment is improved; and through seting up the screw thread groove in rectangular waveguide's both sides, pass through external screw connection with circular waveguide in the inboard of screw thread groove for connect when using conveniently, and when one of them waveguide damages, can conveniently change, avoid fixed connection to lead to the condition that needs whole abandonment after damaging, improve the practicality of equipment.

Description

Novel broadband waveguide circular polarizer

Technical Field

The utility model relates to the technical field of circular polarizers, in particular to a novel broadband waveguide circular polarizer.

Background

The polarizer is a device for controlling the polarization direction of the antenna feed system, and is used for selecting a polarization pattern consistent with satellite television signals and inhibiting polarized waves of other patterns so as to obtain polarization matching and realize optimal reception; a waveguide circular polarizer is one type of polarizer, and when the waveguide circular polarizer is used in a broadband field, the structure of the existing circular polarizer results in a larger return loss at a higher frequency.

Chinese patent publication No. CN209056580U discloses a novel broadband waveguide circular polarizer. The broadband splitter, the broadband phase shifter and the broadband combiner belong to the technical field of communication; the broadband splitter comprises 4 rectangular waveguide output ports, the rectangular waveguide output ports are connected below the circular waveguide input ports in a cross mode, and a metal matching device is arranged on the connecting part of the rectangular waveguide output ports and the circular waveguide input ports in a concentric mode; the upper end of the broadband phase shifter is connected with the lower end of the broadband splitter, the broadband phase shifter comprises 4 rectangular waveguides with the same size, the width of each rectangular waveguide is the same as that of the waveguide on the broadband splitter, a plurality of saw teeth are arranged on the left side and the right side of two waveguides on one opposite face, and a plurality of tooth grooves are arranged on the front faces of the two waveguides on the other opposite face; the size and the structure of the broadband combiner and the circular waveguide output port are respectively the same as those of the broadband splitter and the circular waveguide input port, and the broadband combiner and the circular waveguide output port are sequentially arranged below the broadband splitter. The circular polarizer is suitable for broadband operation, reduces the influence of a higher order mode, and has high isolation and high power capacity.

Through above-mentioned technical scheme, when carrying out the use of waveguide circular polarizer of broadband, be provided with sawtooth and tooth's socket on the rectangular waveguide of this scheme's circular polarizer, because expose in the outside when using, lead to debris etc. to get into the inboard of circular polarizer easily, the clearance is inconvenient, influence the use of equipment, and the circular waveguide and the rectangular waveguide fixed connection of this scheme, the integration sets up and makes one of them damage the back need change all waveguides, the practicality is general, consequently, need a broadband waveguide circular polarizer that the protectiveness is strong, the dismouting of being convenient for.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a novel broadband waveguide circular polarizer which has the characteristics of strong protection and convenient disassembly and assembly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel broadband waveguide circular polarizer, includes the connector, the inboard connection of connector is equipped with the phase shifter, the outside block of phase shifter is equipped with the protection frame, the both ends block of protection frame is on the connector, the protection frame includes the cover board, the cover board cup joints on the connector, the inboard block of cover board is equipped with the protection curtain, the outside at the phase shifter is blocked to the protection curtain.

As a novel broadband waveguide circular polarizer preferred technical scheme, the sleeving plate comprises a rubber sleeve, the rubber sleeve is clamped on the connector, a connecting pad is fixedly arranged on the rubber sleeve, a limiting groove is formed in the bottom surface of the connecting pad, and two ends of the protective curtain are clamped on the inner side of the limiting groove.

As a novel broadband waveguide circular polarizer preferred technical scheme, the protective curtain comprises a folding curtain, a magnetic strip is fixedly arranged on the folding curtain, limiting plates are fixedly arranged at two ends of the magnetic strip, and the limiting plates are clamped on the inner sides of the limiting grooves.

As a preferred technical scheme of the novel broadband waveguide circular polarizer, the connector comprises a branching device and a combiner, and the branching device and the combiner are respectively connected to two ends of the phase shifter in a threaded mode.

As a preferred technical scheme of the novel broadband waveguide circular polarizer, one end of the branching unit is provided with external threads, and the external threads are in threaded connection with the phase shifter.

As a preferred technical scheme of the novel broadband waveguide circular polarizer, the phase shifter comprises an operation plate, connecting plates are fixedly arranged at two ends of the operation plate, the branching unit is connected to one side of the connecting plates in a threaded mode, and the combiner is connected to the other side of the connecting plates in a threaded mode.

As a preferred technical scheme of the novel broadband waveguide circular polarizer, the connecting plate is provided with the thread groove, and the external thread is in threaded connection with the inner side of the thread groove.

Compared with the prior art, the utility model has the beneficial effects that:

when the broadband waveguide circular polarizer is used, the protection outer frame is clamped at the outer side of the phase shifter, namely the rectangular waveguide, so that the rectangular waveguide can be protected through the protection outer frame in use, the situation that sundries are clamped in tooth grooves on the rectangular waveguide is avoided, and the protection performance of equipment is improved; and through seting up the screw thread groove in rectangular waveguide's both sides, pass through external screw connection with circular waveguide in the inboard of screw thread groove for connect when using conveniently, and when one of them waveguide damages, can conveniently change, avoid fixed connection to lead to the condition that needs whole abandonment after damaging, improve the practicality of equipment.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a perspective cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2A in accordance with the present utility model;

fig. 4 is a partial cross-sectional view of the protective outer frame of the present utility model.

In the figure: 1. a connector; 11. a splitter; 111. an external thread; 12. a combiner; 2. a phase shifter; 21. an operation panel; 22. a connecting plate; 221. a thread groove; 3. a protective outer frame; 31. sleeving a plate; 311. a rubber sleeve; 312. a connection pad; 313. a limit groove; 32. a protective curtain; 321. folding curtain; 322. a magnetic stripe; 323. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a novel broadband waveguide circular polarizer, includes connector 1, and the inboard connection of connector 1 is equipped with phase shifter 2, and phase shifter 2's outside block is equipped with protection frame 3, and protection frame 3's both ends block is on connector 1, and protection frame 3 includes the cover board 31, and cover board 31 cup joints on connector 1, and cover board 31's inboard block is equipped with protection curtain 32, and protection curtain 32 block is in phase shifter 2's outside.

Referring to fig. 2 and 4, specifically, the socket plate 31 includes a rubber sleeve 311, the rubber sleeve 311 is clamped on the connector 1, a connection pad 312 is fixedly arranged on the rubber sleeve 311, a limit groove 313 is formed on the bottom surface of the connection pad 312, and two ends of the protection curtain 32 are clamped inside the limit groove 313; the protective curtain 32 comprises a folding curtain 321, a magnetic strip 322 is fixedly arranged on the folding curtain 321, limiting plates 323 are fixedly arranged at two ends of the magnetic strip 322, and the limiting plates 323 are clamped on the inner sides of the limiting grooves 313; this scheme is through at the outside block protection frame 3 of phase shifter 2, provides the protection for phase shifter 2 through protection frame 3 when using, and through setting up the folding curtain 321 that can conveniently fold and open and shut for conveniently operate when needs operation rectangular waveguide.

Referring to fig. 2 and 3, specifically, the connector 1 includes a splitter 11 and a combiner 12, and the splitter 11 and the combiner 12 are respectively screwed on both ends of the phase shifter 2; an external thread 111 is arranged at one end of the shunt 11, and the external thread 111 is in threaded connection with the phase shifter 2; the phase shifter 2 comprises an operation plate 21, connecting plates 22 are fixedly arranged at two ends of the operation plate 21, the branching unit 11 is connected to one side of the connecting plates 22 in a threaded manner, and the combiner 12 is connected to the other side of the connecting plates 22 in a threaded manner; the connecting plate 22 is provided with a thread groove 221, and the external thread 111 is connected with the inner side of the thread groove 221 in a threaded manner; according to the scheme, the thread grooves 221 are formed in the two sides of the phase shifter 2, namely the rectangular waveguide, the external threads 111 are formed on the circular waveguide, the circular waveguide and the rectangular waveguide can be conveniently installed through threaded connection, and the practicability of equipment is improved.

The utility model has the following application flow and working principle: when the utility model is used, firstly, an operator respectively clamps the sleeve joint plate 31 of the protective outer frame 3 on the outsides of the branching unit 11 and the combiner 12, then rotates the folding curtain 321 of the protective outer frame 3 to be opened, then clamps the phase shifter 2, namely the rectangular waveguide on the inner side of the folding curtain 321, and the rectangular waveguide is provided with the thread groove 221 and is connected with the thread groove 221 through the external thread 111 on the branching unit 11 and the combiner 12, thereby completing the connection of equipment and having convenient operation.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The utility model provides a novel broadband waveguide circular polarizer, includes connector (1), its characterized in that: the inside connection of connector (1) is equipped with phase shifter (2), the outside block of phase shifter (2) is equipped with protection frame (3), the both ends block of protection frame (3) is on connector (1), protection frame (3) are including cover fishplate bar (31), cover fishplate bar (31) cup joints on connector (1), the inboard block of cover fishplate bar (31) is equipped with protection curtain (32), protection curtain (32) block is in the outside of phase shifter (2).

2. The novel broadband waveguide circular polarizer according to claim 1, wherein: the socket joint board (31) comprises a rubber sleeve (311), the rubber sleeve (311) is clamped on the connector (1), a connecting pad (312) is fixedly arranged on the rubber sleeve (311), a limiting groove (313) is formed in the bottom surface of the connecting pad (312), and two ends of the protective curtain (32) are clamped on the inner side of the limiting groove (313).

3. The novel broadband waveguide circular polarizer according to claim 2, wherein: the protective curtain (32) comprises a folding curtain (321), a magnetic strip (322) is fixedly arranged on the folding curtain (321), limiting plates (323) are fixedly arranged at two ends of the magnetic strip (322), and the limiting plates (323) are clamped on the inner sides of the limiting grooves (313).

4. A novel broadband waveguide circular polarizer according to claim 3, wherein: the connector (1) comprises a branching unit (11) and a combiner (12), and the branching unit (11) and the combiner (12) are respectively connected to two ends of the phase shifter (2) in a threaded mode.

5. The novel broadband waveguide circular polarizer according to claim 4, wherein: an external thread (111) is arranged at one end of the branching unit (11), and the external thread (111) is in threaded connection with the phase shifter (2).

6. The novel broadband waveguide circular polarizer according to claim 5, wherein: the phase shifter (2) comprises an operation plate (21), connecting plates (22) are fixedly arranged at two ends of the operation plate (21), the branching unit (11) is connected to one side of the connecting plates (22) in a threaded mode, and the combiner (12) is connected to the other side of the connecting plates (22) in a threaded mode.

7. The novel broadband waveguide circular polarizer according to claim 6, wherein: a thread groove (221) is formed in the connecting plate (22), and the external thread (111) is connected to the inner side of the thread groove (221) in a threaded mode.