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CN-121983469-A - Waterproof radio frequency coaxial relay capable of being switched rapidly

CN121983469ACN 121983469 ACN121983469 ACN 121983469ACN-121983469-A

Abstract

The application provides a waterproof radio frequency coaxial relay capable of being switched rapidly, and relates to the technical field of radio frequency communication components. The waterproof radio frequency coaxial relay capable of being switched rapidly comprises a radio frequency relay main body, a sealing gasket, a supporting retainer and a diversion heat dissipation assembly. The inner wall of the inner insertion ring and the cylindrical shell are matched with the supporting retainer to clamp and position the sealing gasket for sealing, and a nitrogen filling cavity is formed in the sealing gasket. The outer ring of the cylindrical shell is fixed with radiating fins, the rotary driving part drives the rotary fan blades to radiate heat, and the heat on the surface of the radiating fins is taken away rapidly, so that the relay is cooled rapidly. The inside nitrogen gas that has of sealing washer fills the chamber, and sealing washer is softer, and sealing washer can be better with cylinder shell inner wall and interpolation ring laminating when the pressurized on its surface, and the cooperation is heated and is expanded, compares traditional sealing washer sealing port and has better sealed effect.

Inventors

  • Dang fei
  • ZHANG XIAN

Assignees

  • 苏州航景达微波技术有限公司

Dates

Publication Date
20260505
Application Date
20260326

Claims (10)

  1. 1. A waterproof radio frequency coaxial relay capable of being switched rapidly, comprising: The radio frequency relay comprises a radio frequency relay body (1), wherein the radio frequency relay body (1) comprises a cylindrical shell (11), an end cover plate (12) and an interpolation ring (14), the interpolation ring (14) is fixed on one side of the end cover plate (12), the interpolation ring (14) is movably inserted into a port of the cylindrical shell (11), and the outer side of the cylindrical shell (11) is fixed with a screw hole preset in the outer ring of the interpolation ring (14) through a fixing bolt (15); The sealing gasket (2) and the supporting retainer (3), wherein the supporting retainer (3) is positioned at the inner side of the inner inserting ring (14) and fixedly arranged with the end cover plate (12), the inner wall of the inner inserting ring (14), the inner wall of the cylindrical shell (11) and the supporting retainer (3) are matched to clamp and position the sealing gasket (2) in front of a gap between the inner inserting ring (14) and the cylindrical shell (11) for sealing, a nitrogen filling cavity (21) is arranged in the sealing gasket (2), and overpressure nitrogen is filled in the nitrogen filling cavity (21); the utility model provides a water conservancy diversion cooling module (4), water conservancy diversion cooling module (4) include overcoat shell (41), rotate cover (42), flabellum (43), rotate drive portion (44) and temperature sensing piece (45), overcoat shell (41) are located cylinder shell (11) outside, and overcoat shell (41) one end and end cover board (12) terminal surface are fixed to be set up, overcoat shell (41) are close to end cover board (12) one end outside and are provided with the fresh air inlet, rotate cover (42) and rotate and establish at cylinder shell (11) tail end, and multi-disc flabellum (43) are the ring array setting at rotation cover (42) outer lane, cylinder shell (11) outer lane is fixed with equidistant radiating fin (46) that distribute, and the water conservancy diversion chamber between adjacent radiating fin (46) corresponds the setting one by one with the fresh air inlet, rotate drive portion (44), temperature sensing piece (45) all install in overcoat shell (41) inner wall department, and rotate drive portion (44) drive rotation cover (42) at cylinder shell (11) outer lane.
  2. 2. The quick-switchable waterproof radio frequency coaxial relay according to claim 1, wherein the temperature sensor (45) comprises a temperature sensor (451) and an outer casing (452), the outer casing (452) is fixed on the inner ring of the outer casing (41), the temperature sensor (451) is installed inside the outer casing (452), and threading holes (49) are formed in the top wall of the outer casing (452) and the side walls of the outer casing (41).
  3. 3. The quick-switching waterproof radio frequency coaxial relay according to claim 1, wherein the rotation driving part (44) comprises a micro motor (441) and a roller part (442), and the roller part (442) is arranged at the output shaft end of the micro motor (441) and is in contact with the outer ring of the rotation sleeve (42).
  4. 4. A quick switchable waterproof radio frequency coaxial relay according to claim 3, wherein the roller part (442) comprises an inner wheel (4421) and an outer anti-slip cover (4422), the inner wheel (4421) is connected with the output shaft end of the micro motor (441), the outer anti-slip cover (4422) is fixedly sleeved on the outer wheel (4421) to extrude the outer ring of the rotating sleeve (42), the outer ring of the inner wheel (4421) is provided with a clamping block (4423), and the inner ring of the outer anti-slip cover (4422) is provided with a clamping groove (4424) matched with the clamping block (4423) in a plugging manner.
  5. 5. A rapidly switchable waterproof radio frequency coaxial relay according to claim 3, characterized in that the outside of the miniature motor (441) is provided with a mounting hole (443), and the outer casing (41) is fixed to the miniature motor (441) by means of a bolt in cooperation with the mounting hole (443).
  6. 6. The quick-switching waterproof radio frequency coaxial relay according to claim 1, wherein a filter screen (47) is arranged in an air inlet hole at the outer side of the outer casing (41), and a ring network (48) is arranged between a port of the outer casing (41) and the tail end of the cylindrical casing (11).
  7. 7. The quick-switching waterproof radio frequency coaxial relay according to claim 1, wherein the rotating sleeve (42) comprises an inner sleeve ring (421) and an outer sleeve ring (422), the inner sleeve ring (421) is fixedly sleeved on the outer ring of the cylindrical shell (11), the outer sleeve ring (422) is positioned outside the inner sleeve ring (421), and a plurality of rolling matched balls (423) are arranged on the inner surface of the outer sleeve ring (422).
  8. 8. The quick switchable waterproof radio frequency coaxial relay according to claim 7, wherein the balls (423) are arranged in two sets of circumferentially arranged balls, and the outer ring of the inner collar (421) is provided with grooves (424) in guiding fit with the balls (423).
  9. 9. The waterproof radio frequency coaxial relay capable of being switched rapidly according to claim 1, wherein a radio frequency signal connector (13) is arranged at the end part of the end cover plate (12), a control signal connector (16) is arranged at the tail end of the cylindrical shell (11), and the radio frequency signal connector (13) and the control signal connector (16) are sealed by glue or welded.
  10. 10. A rapidly switchable waterproof rf coaxial relay according to claim 1, wherein the rotary drive (44) and the temperature sensor (45) are both located inside the guide chamber between adjacent fins (46).

Description

Waterproof radio frequency coaxial relay capable of being switched rapidly Technical Field The application relates to the technical field of radio frequency communication components, in particular to a waterproof radio frequency coaxial relay capable of being switched rapidly. Background The radio frequency coaxial relay is a core executive device for switching radio frequency and microwave signal links, is mainly used for realizing on-off and multi-channel switching of a high-frequency coaxial signal, and is widely applied to the fields of communication, measurement and control and the like. Firstly, waterproof sealing performance is insufficient, the existing products mostly adopt single O-shaped ring sealing or local gluing sealing, sealing layers are single, a shell splicing gap, a radio frequency interface joint part and a control lead-out position are easy to generate water seepage and condensation problems, the cylindrical radio frequency coaxial relay is used in outdoor humid and salt fog environments for a long time, internal contacts and coils are easy to oxidize and rust, and signal transmission stability and service life are directly affected. Secondly, because the inside seal structure that is of casing, to high-power application, inside electronic component radiating effect is poor, and the heat accumulation can seriously influence the life of radio frequency coaxial relay. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a waterproof type radio frequency coaxial relay capable of being switched rapidly, which aims to solve the problems that the existing radio frequency coaxial relay is insufficient in waterproof sealing performance and heat accumulation is difficult to diffuse rapidly in high-power application. The waterproof type radio frequency coaxial relay capable of being switched rapidly comprises a radio frequency relay main body, a sealing gasket, a supporting retainer and a diversion heat dissipation assembly. The radio frequency relay main body comprises a cylindrical shell, an end cover plate and an interpolation ring, wherein the interpolation ring is fixed on one side of the end cover plate, the interpolation ring is movably inserted into a port of the cylindrical shell, and the outer side of the cylindrical shell is fixed with a screw hole preset in an outer ring of the interpolation ring through a fixing bolt; the inner side of the inner insertion ring, the inner wall of the cylindrical shell and the support retainer are matched, clamped and positioned, and a sealing gasket is arranged in front of a gap between the inner insertion ring and the cylindrical shell and used for sealing, a nitrogen filling cavity is formed in the sealing gasket, and overpressure nitrogen is filled in the nitrogen filling cavity; The flow guide heat dissipation assembly comprises an outer shell, a rotating sleeve, fan blades, a rotation driving part and a temperature sensing part, wherein the outer shell is positioned outside the cylindrical shell, one end of the outer shell is fixedly arranged on the end face of an end cover plate, an air inlet hole is formed in the outer side of the outer shell, which is close to one end of the end cover plate, the rotating sleeve is rotationally arranged at the tail end of the cylindrical shell, a plurality of fan blades are annularly arranged on an outer ring of the rotating sleeve, a plurality of heat dissipation fins distributed at equal intervals are fixedly arranged on the outer ring of the cylindrical shell, flow guide cavities between adjacent heat dissipation fins are respectively and correspondingly arranged with the air inlet hole, the rotation driving part and the temperature sensing part are respectively arranged at the inner wall of the outer shell, and the rotation driving part is used for driving the rotation to be arranged on the outer ring of the cylindrical shell. Preferably, the temperature sensing piece includes temperature sensor and shell, the shell is fixed at the shell inner circle, and temperature sensor installs inside the shell, shell roof and shell lateral wall all are provided with the through wires hole. Preferably, the rotation driving part comprises a micro motor and a roller part, and the roller part is arranged at the output shaft end of the micro motor and is in contact with the outer ring of the rotation sleeve. Preferably, the roller part comprises an inner wheel and an outer anti-skid sleeve, the inner wheel is connected with the output shaft end of the miniature motor, the outer anti-skid sleeve is fixedly sleeved on the outer ring of the inner wheel extrusion rotating sleeve, the inner wheel outer ring is provided with a clamping block, and the inner ring of the outer anti-skid sleeve is provided with a clamping groove matched with the clamping block in a plugging manner. Preferably, the outside of the miniature