CN216213991U - Radio frequency coaxial switch with movable permanent magnet driving structure - Google Patents
Radio frequency coaxial switch with movable permanent magnet driving structure Download PDFInfo
- Publication number
- CN216213991U CN216213991U CN202122809947.5U CN202122809947U CN216213991U CN 216213991 U CN216213991 U CN 216213991U CN 202122809947 U CN202122809947 U CN 202122809947U CN 216213991 U CN216213991 U CN 216213991U
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- permanent magnet
- movable permanent
- push rod
- radio frequency
- coaxial switch
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Abstract
The utility model discloses a radio frequency coaxial switch with a movable permanent magnet driving structure, which comprises an electromagnetic driving assembly, wherein the electromagnetic driving assembly comprises an iron core, a movable permanent magnet is arranged below the iron core, an upper push rod is arranged below the movable permanent magnet, a radio frequency channel cavity is arranged below the upper push rod, a push rod contact assembly is arranged in the radio frequency channel cavity, the push rod contact assembly comprises a lower push rod, and a contact piece is arranged above the lower push rod. The utility model discloses a radio frequency coaxial switch with movable permanent magnet drive structure has improved radio frequency coaxial switch's performance, has increased coaxial switch's flexibility.
Description
Technical Field
The utility model relates to the technical field of electronic parts, in particular to a radio frequency coaxial switch with a movable permanent magnet driving structure.
Background
A coaxial radio frequency switch is a special type of electromechanical relay (or switch) in which a Radio Frequency (RF) signal is connected or disconnected between terminals in the switch. Generally, a coaxial rf switch uses a push rod to push a movable conductive sheet into contact with a pair of coaxial connector terminals and to connect an rf signal path between the two coaxial connector terminals.
The existing coaxial radio frequency switch is often to be improved in reliability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a radio frequency coaxial switch with a movable permanent magnet driving structure, which aims to solve the problem that the reliability of the existing radio frequency coaxial switch in the background art needs to be improved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a coaxial switch of radio frequency with movable permanent magnet drive structure, includes electromagnetic drive assembly, electromagnetic drive assembly includes the iron core, the below of iron core is provided with movable permanent magnet, movable permanent magnet's below is provided with the push up rod, the below of push up rod is provided with the radio frequency passageway cavity, be provided with push rod contact subassembly in the radio frequency passageway cavity, left push rod contact subassembly includes the push down rod, the top of push down rod is provided with the contact piece, the below of radio frequency passageway cavity is provided with first coaxial connector and second coaxial connector, the top of first coaxial connector and second coaxial connector is located in the radio frequency passageway cavity and can contact with the contact piece.
Preferably, a coil is arranged around the iron core, and a magnetism isolating sheet is arranged between the iron core and the movable permanent magnet.
Preferably, the connection between the iron core and the movable permanent magnet is provided with an upper reaction spring and can be connected to the movable permanent magnet.
Preferably, a soft magnet is arranged below the movable permanent magnet, and the soft magnet can hold the movable permanent magnet.
Preferably, the electromagnetic drive assembly further comprises an upper magnetizer, a lower magnetizer and a side magnetizer, and the upper magnetizer, the lower magnetizer and the side magnetizer form a magnetic conductive loop.
Preferably, the push rod contact assembly further includes a lower reaction spring, and the lower reaction spring is in contact with the lower push rod.
Preferably, the push rod contact assembly further comprises a limiting flexible belt, and the limiting flexible belt is located above the contact piece.
Preferably, the first coaxial connector and the second coaxial connector both comprise a conductor core, the conductor core is wrapped with an insulator, and the insulator is wrapped with an outer sleeve.
Preferably, the radio frequency channel cavity comprises a first metal structure body and a second metal structure body, and the first metal structure body is located below the second metal structure body.
Compared with the prior art, the utility model has the beneficial effects that: radio frequency coaxial switch with movable permanent magnet drive structure:
when the coil is not electrified, the movable permanent magnet is attracted by the iron core to move upwards (as shown in the state of 210 b), the lower reaction spring pushes the lower push rod upwards and enables the contact piece to be separated from the coaxial connector, and the coaxial connector and the corresponding radio frequency channel are in a disconnected state. When the coil is electrified and excited to generate an electromagnetic field, the movable permanent magnet is repelled by the iron core to move downwards (as shown in the state of 210a), the upper push rod is pushed, the contact piece moves downwards and simultaneously contacts with the coaxial connector, and the coaxial connector and the corresponding radio frequency channel are in a conducting state.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a rf coaxial switch with a movable permanent magnet driving structure: the electromagnetic driving assembly 210a may be provided in plurality to form a multi-channel rf coaxial switch. The electromagnetic driving assembly 210a includes an iron core 211, a movable permanent magnet 263 disposed below the iron core 211, a coil 212 disposed around the iron core 211, and a magnetism isolating sheet 214 disposed between the iron core 211 and the movable permanent magnet 263.
The connection of the iron core 211 and the movable permanent magnet 263 is provided with an upper reaction spring 213 and can be connected to the movable permanent magnet 263.
A soft magnet 262 is disposed below the movable permanent magnet 263, and the soft magnet 262 can hold the movable permanent magnet 263.
The electromagnetic drive assembly 210a further includes an upper magnetizer 231, a lower magnetizer 232, and a side magnetizer 233, the upper magnetizer 231, the lower magnetizer 232, and the side magnetizer 233 forming a magnetic conductive loop.
An upper push rod (251) is arranged below the movable permanent magnet 263, a radio frequency channel cavity 70 is arranged below the upper push rod 251, a push rod contact assembly 250a is arranged in the radio frequency channel cavity 70, the push rod contact assembly 250a comprises a lower push rod 254, the push rod contact assembly 250a further comprises a lower reaction spring 52, the lower reaction spring 52 is in contact with the lower push rod 254, the push rod contact assembly 250a further comprises a limiting flexible belt 259, and the limiting flexible belt 259 is located above the contact sheet 253.
The contact sheet 253 is arranged above the lower push rod (254), the first coaxial connector 110 and the second coaxial connector 120a are arranged below the radio frequency channel cavity 70, and the tops of the first coaxial connector 110 and the second coaxial connector 120a are positioned in the radio frequency channel cavity 70 and can be contacted with the contact sheet 253. Each of the first coaxial connector 110, the second coaxial connector 120a, and the third coaxial connector 120b includes a conductor core 111, the conductor core 111 is covered with an insulator 112, and the insulator 112 is covered with an outer jacket (113).
The rf via cavity 70 includes a first metal structure 71 and a second metal structure 72, and the first metal structure 71 is located below the second metal structure 72.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a radio frequency coaxial switch with movable permanent magnet drive structure, includes electromagnetic drive subassembly (210a), its characterized in that, electromagnetic drive subassembly (210a) includes iron core (211), the below of iron core (211) is provided with movable permanent magnet (263), the below of movable permanent magnet (263) is provided with push rod (251), the below of push rod (251) is provided with radio frequency channel cavity (70), be provided with push rod contact subassembly (250a) in radio frequency channel cavity (70) push rod contact subassembly (250a) includes push rod (254) down, the top of push rod (254) down is provided with contact piece (253), the below of radio frequency channel cavity (70) is provided with first coaxial connector (110) and second coaxial connector (120a), the top of first coaxial connector (110) and second coaxial connector (120a) is located in radio frequency channel cavity (70) and can with contact piece (253) And (4) contacting.
2. The rf coaxial switch with movable permanent magnet driving structure according to claim 1, wherein a coil (212) is disposed around the iron core (211), and a magnetic shielding sheet (214) is disposed between the iron core (211) and the movable permanent magnet (263).
3. The rf coaxial switch with movable permanent magnet driving structure according to claim 1, characterized in that the connection of the iron core (211) and the movable permanent magnet (263) is provided with an upper reaction spring (213) and can be connected to the movable permanent magnet (263).
4. The rf coaxial switch with movable permanent magnet driving structure according to claim 1, characterized in that a soft magnet (262) is disposed below the movable permanent magnet (263), and the soft magnet (262) can hold the movable permanent magnet (263).
5. The rf coaxial switch with movable permanent magnet drive structure of claim 1, wherein the electromagnetic drive assembly (210a) further comprises an upper magnetic conductor (231), a lower magnetic conductor (232), and a side magnetic conductor (233), the upper magnetic conductor (231), the lower magnetic conductor (232), and the side magnetic conductor (233) forming a magnetic conductive loop.
6. The rf coaxial switch with movable permanent magnet drive of claim 1, wherein the push rod contact assembly (250a) further comprises a lower reaction spring (52), the lower reaction spring (52) being in contact with the lower push rod (254).
7. The RF coaxial switch with movable permanent magnet drive of claim 6, wherein the pushrod contact assembly (250a) further comprises a limiting flexible strap (259), the limiting flexible strap (259) being located above the contact pad (253).
8. The rf coaxial switch with movable permanent magnet actuation structure of claim 1, wherein the first coaxial connector (110) and the second coaxial connector (120a) comprise a conductor core (111), the conductor core (111) is wrapped with an insulator (112), and the insulator (112) is wrapped with an outer jacket (113).
9. The rf coaxial switch with movable permanent magnet actuation structure of claim 1, wherein the rf via cavity (70) comprises a first metal structure (71) and a second metal structure (72), the first metal structure (71) being located below the second metal structure (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122809947.5U CN216213991U (en) | 2021-11-17 | 2021-11-17 | Radio frequency coaxial switch with movable permanent magnet driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122809947.5U CN216213991U (en) | 2021-11-17 | 2021-11-17 | Radio frequency coaxial switch with movable permanent magnet driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216213991U true CN216213991U (en) | 2022-04-05 |
Family
ID=80911315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122809947.5U Active CN216213991U (en) | 2021-11-17 | 2021-11-17 | Radio frequency coaxial switch with movable permanent magnet driving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216213991U (en) |
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2021
- 2021-11-17 CN CN202122809947.5U patent/CN216213991U/en active Active
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