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CN-224232907-U - Capacitive coupling assembly and filter

CN224232907UCN 224232907 UCN224232907 UCN 224232907UCN-224232907-U

Abstract

The application relates to the field of communication, and provides a capacitive coupling assembly and a filter. The capacitive coupling assembly is arranged in the filter shell, and the filter shell is provided with a first plate and a second plate which are oppositely arranged. The capacitive coupling assembly comprises a medium barrel, a mounting piece and a coupling piece, wherein the medium barrel is vertically arranged between the first plate and the second plate, the mounting piece is movably arranged on the first plate, the coupling piece is arranged in a barrel of the medium barrel and is not grounded, and the coupling piece is connected to the mounting piece and can move under the driving of the mounting piece to adjust the capacitive coupling amount. Based on the structure, the capacitive coupling component can realize capacitive coupling of the two resonant rods by an optimized and reliable structure, has adjustability, enhances the capacitive coupling strength and the capacitive coupling quantity, and can enlarge the adjustable range of the capacitive coupling quantity, namely the adjustable quantity, because the coupling piece moves in the cylinder space of the medium cylinder body to adjust the capacitive coupling quantity.

Inventors

  • CAI YISHA

Assignees

  • 大富科技(安徽)股份有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (10)

  1. 1. A capacitive coupling assembly disposed within a filter housing, the filter housing having a first plate and a second plate disposed opposite one another, the capacitive coupling assembly comprising: The medium cylinder is vertically arranged between the first plate and the second plate; the mounting piece is movably mounted on the first plate; The coupling piece is arranged in the cylinder of the medium cylinder body and is not grounded, and the coupling piece is connected with the mounting piece and can move under the driving of the mounting piece so as to adjust the capacity coupling amount.
  2. 2. The capacitive coupling assembly of claim 1, wherein the capacitive coupling assembly comprises an insulating plate, the insulating plate bottom seal being attached to the media cartridge at a port distal from the first plate.
  3. 3. The capacitive coupling assembly of claim 2, wherein the insulator plate and the dielectric cylinder are of unitary construction.
  4. 4. The capacitive coupling assembly of claim 1, wherein the mounting member is an insulating member.
  5. 5. The capacitive coupling assembly of claim 1, wherein the coupling member has a rod-like structure, a cutoff groove is formed in an end surface of the coupling member, which is far away from the mounting member, the cutoff groove is formed in a penetrating manner along a radial direction of the coupling member, the cutoff groove is formed in an extending manner along an axial direction of the coupling member, and an extending length of the cutoff groove is smaller than a length of the coupling member along the axial direction of the coupling member.
  6. 6. The capacitive coupling assembly of any one of claims 1-5 wherein the coupling member is fixedly connected to the mounting member such that the coupling member moves synchronously with the mounting member.
  7. 7. The capacitive coupling assembly of claim 6, wherein the coupling member rotates and moves axially with the mounting member circumferentially.
  8. 8. The capacitive coupling assembly of claim 7, wherein the mounting member is a threaded rod, the capacitive coupling assembly includes a nut, and an end of the mounting member remote from the coupling member is threaded through the first plate and is threadably coupled to the nut.
  9. 9. The capacitive coupling assembly of any one of claims 1-5, wherein opposite ends of the dielectric cylinder abut the first plate and the second plate, respectively; And/or the medium cylinder body is a cuboid with a round hole in the middle.
  10. 10. A filter comprising a filter housing and a capacitive coupling assembly according to any one of claims 1 to 9.

Description

Capacitive coupling assembly and filter Technical Field The application belongs to the technical field of communication, and particularly relates to a capacitive coupling assembly and a filter. Background In some cases, the filter includes a filter housing, and a plurality of resonant rods and at least one capacitive coupling assembly each disposed within the filter housing. The capacitive coupling component comprises a mounting piece arranged on the wall of the filter shell and a coupling piece arranged on the mounting piece, wherein the coupling piece is arranged between the two resonant rods and is used for enabling the two resonant rods to realize capacitive coupling, and the coupling piece can circumferentially rotate or axially move so as to adjust the capacitive coupling amount between the two resonant rods. However, the capacitive coupling component achieves weaker capacitive coupling strength and a smaller adjustable range of the capacitive coupling amount. Disclosure of utility model The embodiment of the application provides a capacitive coupling component and a filter, and aims to solve the problems that the capacitive coupling strength is weak and the adjustable range of the capacitive coupling quantity is small in the conventional capacitive coupling component. In order to achieve the above purpose, the technical scheme adopted by the embodiment of the application is as follows: In a first aspect, there is provided a capacitive coupling assembly disposed within a filter housing having oppositely disposed first and second plates, the capacitive coupling assembly comprising: The medium cylinder is vertically arranged between the first plate and the second plate; the mounting piece is movably mounted on the first plate; The coupling piece is arranged in the cylinder of the medium cylinder body and is not grounded, and the coupling piece is connected with the mounting piece and can move under the driving of the mounting piece so as to adjust the capacity coupling amount. In some embodiments, the capacitive coupling assembly includes an insulating plate having a bottom seal attached to the media cartridge away from the nozzle of the first plate. In some embodiments, the insulating plate and the dielectric cylinder are of unitary construction. In some embodiments, the mounting is an insulator. In some embodiments, the coupling member is in a rod-shaped structure, the end surface of the coupling member, which is far away from the mounting member, is provided with a cutting groove, the cutting groove is arranged in a penetrating manner along the radial direction of the coupling member, the cutting groove is arranged in an extending manner along the axial direction of the coupling member, and the extending length of the cutting groove is smaller than the length of the coupling member along the axial direction of the coupling member. In some embodiments, the coupling member is fixedly connected to the mounting member such that the coupling member moves synchronously with the mounting member. In some embodiments, the coupling member rotates and moves axially with the mounting member circumferentially. In some embodiments, the mounting member is a screw, the capacitive coupling assembly includes a nut, and an end of the mounting member remote from the coupling member is threaded through the first plate and is threaded to the nut. In some embodiments, opposite ends of the media cartridge abut the first plate and the second plate, respectively. In some embodiments, the media cartridge is a cuboid with a circular hole in the middle. In a second aspect, a filter is provided, including a filter housing, and a capacitive coupling assembly provided by an embodiment of the present application. The capacitive coupling component provided by the application has the beneficial effects that: The capacitive coupling component provided by the embodiment of the application can realize the capacitive coupling of the two resonant rods through the coupling piece which is not grounded, can realize the adjustment of the capacitive coupling quantity through the mounting piece which is movably mounted on the first plate, is connected and supports the coupling piece and drives the coupling piece to move, and can increase the effective dielectric constant between the coupling piece and the resonant rods through the dielectric cylinder sleeved on the periphery of the coupling piece so as to greatly enhance the capacitive coupling. Therefore, the capacitive coupling component can realize capacitive coupling of the two resonant rods in an optimized and reliable structure, has adjustability, enhances the capacitive coupling strength and the capacitive coupling quantity, and can enlarge the adjustable range of the capacitive coupling quantity, namely the adjustable quantity, because the coupling piece moves in the cylinder space of the medium cylinder body to adjust the capacitive coupling quantity. Drawings In order to clearly illust