CN-224233993-U - Radio frequency power amplifier with detachable shielding cover

Abstract

The utility model belongs to the technical field of radio frequency power amplifiers, and in particular relates to a radio frequency power amplifier with a detachable shielding cover, which comprises a radio frequency power amplifier main body, wherein the upper end of the radio frequency power amplifier main body is contacted with the shielding cover, the inside of the radio frequency power amplifier main body is connected with a sliding block in a sliding way, the upper end fixedly connected with fixture block of slider, the draw-in groove has been seted up to the inside of shield cover, the inside rotation of radio frequency power amplifier main part is connected with the threaded rod, the outside fixedly connected with of threaded rod keeps off the ring, keep off the ring and the inner wall contact of radio frequency power amplifier main part. The utility model can detach the shielding cover by arranging the sliding block, the clamping block, the threaded rod and other parts and rotating the threaded rod, so that the threaded rod drives the clamping block to be no longer clamped with the shielding cover through the sliding block, thereby solving the problems that the shielding cover of the radio frequency power amplifier is inconvenient to detach and inconvenient to overhaul.

Inventors

• QIN RUI
• XU XIAOYING
• YANG ZIJIANG

Assignees

• 南京云正微波电子有限公司

Dates

Publication Date

20260512

Application Date

20250527

Claims (7)

1. 1. The radio frequency power amplifier with the detachable shielding cover comprises a radio frequency power amplifier main body (1) and is characterized in that the upper end of the radio frequency power amplifier main body (1) is contacted with a shielding cover (2), a sliding block (3) is connected inside the radio frequency power amplifier main body (1) in a sliding mode, a clamping block (31) is fixedly connected to the upper end of the sliding block (3), a clamping groove (32) is formed in the shielding cover (2), a threaded rod (33) is connected inside the radio frequency power amplifier main body (1) in a rotating mode, a baffle ring (34) is fixedly connected to the outer side of the threaded rod (33), the baffle ring (34) is in contact with the inner wall of the radio frequency power amplifier main body (1), and a sealing mechanism (4) is arranged on the shielding cover (2).
2. 2. A radio frequency power amplifier with a detachable shield according to claim 1, characterized in that the clamping block (31) is in contact with the radio frequency power amplifier body (1), and the clamping block (31) is slidingly connected with the clamping groove (32).
3. 3. A radio frequency power amplifier with a detachable shield according to claim 1, characterized in that the outside of the threaded rod (33) is provided with a positive and a negative thread, and the threaded rod (33) is in threaded connection with the slider (3).
4. 4. A radio frequency power amplifier with a detachable shielding cover according to claim 1, wherein one end of the threaded rod (33) far away from the radio frequency power amplifier main body (1) is fixedly connected with a knob (35), and the knob (35) is rotatably connected with the radio frequency power amplifier main body (1).
5. 5. The radio frequency power amplifier with detachable shielding cover according to claim 1, wherein the sealing mechanism (4) comprises a supporting rod (41), the lower end of the shielding cover (2) is fixedly connected with the supporting rod (41), a sealing pad (42) is sleeved on the outer side of the supporting rod (41) in a sliding mode, a fixing block (43) is fixedly connected on the outer side of the supporting rod (41), the fixing block (43) is in sliding connection with the sealing pad (42), a limiting frame (44) is fixedly connected inside the sealing pad (42), the limiting frame (44) is in contact with the supporting rod (41), the limiting frame (44) is in sliding connection with the fixing block (43), and a spring (45) is arranged on the outer side of the limiting frame (44).
6. 6. A radio frequency power amplifier with a detachable shield according to claim 5, characterized in that the gasket (42) is slidingly connected to the shield (2), the gasket (42) being in contact with the radio frequency power amplifier body (1).
7. 7. A radio frequency power amplifier with a removable shield according to claim 5, wherein one end of the spring (45) is in contact with the fixed block (43) and the other end of the spring (45) is in contact with the gasket (42).

Description

Radio frequency power amplifier with detachable shielding cover Technical Field The utility model relates to the technical field of radio frequency power amplifiers, in particular to a radio frequency power amplifier with a detachable shielding cover. Background Radio frequency power amplifiers, which are key components of modern wireless communication systems, are responsible for the core task of efficient amplification of weak radio frequency signals. The built-in metal shielding cover is an important design for guaranteeing stable operation of equipment, and can effectively solve the problem of electromagnetic interference. In complex electromagnetic environments, high frequency radiation generated by the operation of the amplifier may interfere with nearby electronics and even affect its performance. The shielding cover limits the electromagnetic field in the inner space through the closed structure formed by the conductive material, thereby preventing pollution caused by leakage of the inner signal and blocking invasion of the outer stray signal. The physical isolation mechanism remarkably improves the anti-interference capability of the amplifier and ensures the purity and stability of output signals. The design of the shielding cover also meets the heat dissipation requirement. The surface of the material is specially treated to optimize heat conduction efficiency, and the material is matched with an internal heat dissipation structure, so that heat generated in the amplifying process can be rapidly conducted out, and the influence of overhigh temperature on the service life of a device is avoided. The radio frequency power amplifier disclosed by the utility model with the patent grant publication number of CN211352158U comprises at least one stage of amplifier, and further comprises at least one tolerance circuit, wherein each tolerance circuit is connected in series between the output end of one amplifier and a working power supply, and the tolerance circuit is used for clamping the saturated output voltage and the saturated output current of the corresponding amplifier. The shielding case of the radio frequency power amplifier has a plurality of inconveniences in practical application, and the most prominent problem is that the shielding case is difficult to disassemble. During routine maintenance, overhaul or equipment upgrades, staff often spend a great deal of time and effort handling because the shields are not easily removable. This not only reduces the efficiency of operation but may also cause damage to the shield or the amplifier itself due to improper operation. Moreover, when an emergency fault is encountered and quick maintenance is required, the troublesome disassembly process may delay maintenance time, influence the normal operation of the equipment, and bring unnecessary loss and trouble to a user. Disclosure of utility model The utility model aims to provide a radio frequency power amplifier with a detachable shielding cover, which solves the problems that the shielding cover of the radio frequency power amplifier is inconvenient to detach and inconvenient to overhaul. The radio frequency power amplifier comprises a radio frequency power amplifier main body, wherein the upper end of the radio frequency power amplifier main body is contacted with the shielding cover, a sliding block is connected inside the radio frequency power amplifier main body in a sliding mode, a clamping block is fixedly connected to the upper end of the sliding block, a clamping groove is formed in the shielding cover, a threaded rod is connected inside the radio frequency power amplifier main body in a rotating mode, a baffle ring is fixedly connected to the outer side of the threaded rod, the baffle ring is in contact with the inner wall of the radio frequency power amplifier main body, and a sealing mechanism is arranged on the shielding cover. Preferably, the fixture block contacts with the main body of the radio frequency power amplifier, the fixture block is in sliding connection with the clamping groove, and the shielding cover can be limited through the design of the fixture block. Preferably, the outside of threaded rod is provided with positive and negative screw thread, threaded rod and slider pass through threaded connection, through the design of threaded rod, can drive two sliders simultaneously and remove. Preferably, one end of the threaded rod far away from the main body of the radio frequency power amplifier is fixedly connected with a knob, the knob is rotationally connected with the main body of the radio frequency power amplifier, and the threaded rod can be conveniently rotated through the design of the knob. Preferably, the sealing mechanism comprises a supporting rod, the lower extreme fixedly connected with bracing piece of shield cover, sealed pad has been cup jointed in the outside sliding sleeve of bracing piece, the outside fixedly connected with fixed block of bracing piece, fixe