CN219350623U

CN219350623U - Single-pole multi-throw PCB welding type coaxial radio frequency switch

Info

Publication number: CN219350623U
Application number: CN202320650042.4U
Authority: CN
Inventors: 申军
Original assignee: Magvention Suzhou Ltd
Current assignee: Magvention Suzhou Ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-14
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a single-pole multi-throw PCB welding type coaxial radio frequency switch, which comprises a cavity, a first coaxial connector component and a second coaxial connector component, wherein a shell is arranged above the cavity, a switch control terminal is arranged at the top of the shell, an electromagnetic driving component is arranged below the switch control terminal, a closed cavity is formed by a cavity and a cover plate, a push rod component is arranged on the cover plate, the first coaxial connector component and the second coaxial connector component are arranged below the push rod component, each of the first coaxial connector component and the second coaxial connector component comprises a conductor core, an insulator and a shell, the bottoms of the insulator and the shell are not lower than the bottom horizontal line of the cavity, the conductor core protrudes out of the shell and can be connected with a hole of the PCB, the coaxial radio frequency switch can form a whole with the PCB and related circuit components, the volume of the whole device is reduced, the operation is simple, and the whole working efficiency is improved.

Description

Single-pole multi-throw PCB welding type coaxial radio frequency switch

Technical Field

The utility model relates to the technical field of electronic parts, in particular to a single-pole multi-throw PCB welding type coaxial radio frequency switch.

Background

The radio frequency coaxial is an electric control device, and is an electric appliance which causes a preset step change of a controlled quantity in an electric output circuit when the change of an input quantity reaches a specified requirement. It has an interactive relationship between the control system and the controlled system. It is commonly used in automated control circuits and is actually an "automatic switch" that uses a small current to control the operation of a large current. Therefore, the circuit plays roles of automatic regulation, safety protection, circuit switching and the like. The existing PCB welding type coaxial radio frequency switch is usually characterized in that the armature is directly pushed to open the radio frequency coaxial by pressing the starting button, the armature is pushed for a long time to cause abrasion, the use is affected, the permanent magnet is touched for a long time to cause abrasion, and the pressing block is inconvenient to identify.

The coaxial radio frequency switch in the current market is connected to the controlled circuit component through the connector, and the circuit component cannot be integrated with the coaxial radio frequency switch, so that the whole equipment is relatively large, and a large space is occupied. And the equipment is inconvenient to operate and has low working efficiency.

Disclosure of Invention

The utility model aims to provide a single-pole multi-throw PCB welding type coaxial radio frequency switch, which aims to solve the problem that the circuit components in the market proposed by the background technology cannot be integrated with the coaxial radio frequency switch, so that the whole equipment is relatively large and occupies a large space. And the equipment is inconvenient to operate and has low working efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coaxial radio frequency switch of single-pole multi-throw PCB welding formula, includes cavity, first coaxial connector subassembly and second coaxial connector subassembly, and the cavity top is provided with the casing, and the casing top is provided with switch control terminal, and switch control terminal's below is provided with electromagnetic drive subassembly, and electromagnetic drive subassembly's below is provided with by cavity and apron formation confined cavity, is provided with the push rod subassembly on the apron, and push rod subassembly's below is provided with first coaxial connector subassembly and second coaxial connector subassembly, first coaxial connector subassembly and second coaxial connector subassembly are by including conductor core and insulator and shell, and the bottom of insulator and shell is not less than the bottom horizontal line of cavity, the conductor core salient outside the casing and can be connected with PCB's hole.

Preferably, the electromagnetic driving assembly comprises a movable iron core and a coil, the coil is arranged around the movable iron core and can move up and down in the coil, an upper magnetic conduction sheet and a lower magnetic conduction sheet are respectively arranged at the upper and lower positions of the coil, a baffle is arranged above the movable iron core, a permanent magnet is arranged above the baffle, and a magnetic conduction column is arranged between the upper magnetic conduction sheet and the lower magnetic conduction sheet.

Preferably, the movable iron core passes through the lower magnetic conductive sheet and can push the push rod assembly to move downwards.

Preferably, the left push rod assembly comprises a push rod, a reaction spring and an inner conductor sheet, wherein the reaction spring is arranged on the upper part of the push rod, and the inner conductor sheet is arranged below the push rod and positioned in the closed space and can be contacted with the first coaxial connector assembly and the second coaxial connector assembly.

Compared with the prior art, the utility model has the beneficial effects that: the single-pole multi-throw PCB welding type coaxial radio frequency switch comprises:

1. when the electromagnet 40 is energized (with the corresponding coil energized) as shown in fig. 1, the movable iron core 41 is attracted by the upper and lower magnetically

conductive plates

43, 45 to move downward, pushing the push rod assembly 50 downward and causing the inner conductor plates 53 to simultaneously contact the inner conductor cores 111 of the

connectors

110, 120, thereby enabling radio frequency signals to be transferred from the input end of the connector 110 to the output end of the connector 120 (or vice versa). When the electromagnet 40 is powered off, the push rod assembly 50 is pushed up by the reaction spring 52 to drive the left inner conductor piece 53 to move to the top of the cavity, and the radio frequency channels of the coaxial connectors 110 to 130 are disconnected. At the same time, the permanent magnet 44 attracts the movable core 41 upward until stopped by the stopper 47.

The single-pole multi-throw PCB welding type radio frequency switch is characterized in that the bottom of an inner conductor core of the coaxial connector is provided with a protruding needle-shaped structure so as to be conveniently inserted into a corresponding PCB welding hole to be welded and communicated with a radio frequency signal wire on the PCB. While the lower plane of the lower cavity 71 is in communication with the ground plane on the PCB. The coaxial radio frequency switch can form a whole with the PCB and related circuit components, the volume of the whole equipment is reduced, the operation is simple, and the whole working efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the external structure of the present utility model.

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.

Referring to fig. 1 and 2, the present utility model provides a technical solution: a single pole multi throw PCB soldered type coaxial RF switch includes a cavity 70, a first coaxial connector assembly 110 and a second coaxial connector assembly 120, the first coaxial connector assembly 110 and the second coaxial connector assembly 120 each include a conductor core 111 and an insulator 112 and a housing 113, the bottoms of the insulator 112 and the housing 113 are not lower than the bottom level of the cavity 71, the conductor core 111 protrudes outside the housing 80 and is connectable with the hole of the PCB.

The cavity 70 top is provided with casing 80, and the casing 80 top is provided with switch control terminal 81, and the below of switch control terminal 81 is provided with electromagnetic drive assembly 40, electromagnetic drive assembly 40 is including movable iron core 41 and coil 42, and movable iron core 41 is provided with coil 42 all around and can reciprocate in the coil, and the upper and lower position of coil 42 is provided with upper magnetic conduction piece 43 and lower magnetic conduction piece 45 respectively, and the top of movable iron core 41 is provided with the spacer 47, and the top of spacer 47 is provided with permanent magnet 44, is provided with magnetic conduction post 46 between upper magnetic conduction piece 43 and the lower magnetic conduction piece 45.

The movable iron core 41 passes through the lower magnetic conductive sheet 45 and can push the push rod assembly 50 to move downward.

A closed cavity 70 is formed by a cavity 71 and a cover plate 72 below the electromagnetic drive assembly 40, a push rod assembly 50 is arranged on the cover plate 72, and a first coaxial connector assembly 110 and a second coaxial connector assembly 120 are arranged below the push rod assembly 50.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a single-pole multi-throw PCB welding type coaxial radio frequency switch, includes cavity (70), first coaxial connector subassembly (110) and second coaxial connector subassembly (120), its characterized in that, cavity (70) top is provided with casing (80), and casing (80) top is provided with switch control terminal (81), the below of switch control terminal (81) is provided with electromagnetic drive subassembly (40), the below of electromagnetic drive subassembly (40) is provided with and forms confined cavity (70) by cavity (71) and apron (72), be provided with push rod subassembly (50) on apron (72), the below of push rod subassembly (50) is provided with first coaxial connector subassembly (110) and second coaxial connector subassembly (120), first coaxial connector subassembly (110) and second coaxial connector subassembly (120) are all including conductor core (111) and insulator (112) and shell (113), the bottom of insulator (112) and shell (113) is not less than the bottom horizontal line of cavity (71), conductor core (111) are protruding and can be in with the hole of casing (80).

2. The single-pole multi-throw (PCB) soldered coaxial radio frequency switch of claim 1, wherein said electromagnetic driving assembly (40) comprises a movable iron core (41) and a coil (42), said movable iron core (41) is provided with a coil (42) around and movable up and down in the coil, upper and lower positions of said coil (42) are respectively provided with an upper magnetic conductive sheet (43) and a lower magnetic conductive sheet (45), a retainer (47) is provided above said movable iron core (41), a permanent magnet (44) is provided above said retainer (47), and a magnetic conductive column (46) is provided between said upper magnetic conductive sheet (43) and said lower magnetic conductive sheet (45).

3. The single pole, multi throw PCB solder type coaxial radio frequency switch of claim 2, said movable core (41) passing through said lower magnetic conducting sheet (45) and being capable of pushing said push rod assembly (50) downward.

4. The single pole, multiple throw PCB solder type coaxial radio frequency switch of claim 1, wherein the pushrod assembly (50) includes a pushrod (51), a counterforce spring (52) and an inner conductor piece (53), the counterforce spring (52) being disposed on an upper portion of the pushrod (51), the inner conductor piece (53) being disposed below the pushrod (51) within the enclosed cavity (70) and being capable of contact with the first coaxial connector assembly (110) and the second coaxial connector assembly (120).