CN-122000652-A - Radio frequency matrix switch, configuration method and related device

CN122000652ACN 122000652 ACN122000652 ACN 122000652ACN-122000652-A

Abstract

The application provides a radio frequency matrix switch, a configuration method and a related device, wherein the radio frequency matrix switch comprises a shell, a matrix module and an output part, wherein the shell comprises a plurality of side plate assemblies, the side plate assemblies are surrounded to form an accommodating space, the matrix module is arranged in the accommodating space and comprises an input part and an output part which are mutually and electrically connected, the input part comprises a plurality of transverse modules which are stacked and arranged along a first direction, the output part comprises a plurality of longitudinal modules which are arrayed and arranged along a second direction, and the first direction is perpendicular to the second direction. The radio frequency matrix switch provided by the application has the advantages that the internal topology can be provided with reusability, the cross wiring is reduced, the assembly consistency is improved, and the rapid expansion of the radio frequency matrix under different order configurations is realized, so that the technical bottlenecks of the prior art in terms of structural expandability, volume control, performance consistency and manufacturability are overcome.

Inventors

ZHANG LINGFENG
WANG SIXIAN
REN XIANG
LIU QIANG
XIAO MIAOMIAO
LI JING
CHEN YAXI
JIA MINGHUI

Assignees

航天科工防御技术研究试验中心

Dates

Publication Date: 20260508
Application Date: 20251203

Claims (12)

1. A radio frequency matrix switch, comprising: The shell comprises a plurality of side plate assemblies, and a plurality of side plate assemblies are surrounded to form an accommodating space; the matrix module is arranged in the accommodating space and comprises an input part and an output part which are electrically connected with each other; The input part comprises a plurality of transverse modules which are stacked and arranged along a first direction, the output part comprises a plurality of longitudinal modules which are arrayed and arranged along a second direction, and the first direction is perpendicular to the second direction.
2. The radio frequency matrix switch of claim 1, wherein the lateral module comprises at least one lateral input port and a plurality of lateral output ports, and the longitudinal module comprises a plurality of longitudinal input ports and at least one longitudinal output port; each transverse output port of the transverse module is electrically connected with a longitudinal input port of the corresponding longitudinal module respectively so as to construct a matrix orthogonal connection path between the input part and the output part.
3. The radio frequency matrix switch of claim 1, wherein the transverse and longitudinal modules each comprise a module housing provided with a module cavity, a drive control circuit board, and a switch circuit board; The driving control circuit board is arranged in the mounting groove at one side of the module shell, the switch circuit board is arranged in the module cavity, and the driving control circuit board is electrically connected with the switch circuit board.
4. The radio frequency matrix switch of claim 3, wherein the switch circuit board comprises at least one of a single pole, multi-throw radio frequency switch circuit, a multi-pole, multi-throw radio frequency switch circuit, a radio frequency multiplexer circuit, a radio frequency cross point matrix switch circuit, or a radio frequency demultiplexer circuit.
5. The radio frequency matrix switch according to claim 1, wherein the transverse module comprises a first-stage sub-module and a plurality of second-stage sub-modules, the first-stage sub-module comprises a plurality of sub-output ends, the second-stage sub-module is provided with a sub-input end, and each sub-output end of the first-stage sub-module is electrically connected with the sub-input end of the corresponding second-stage sub-module; the primary sub-module and the secondary sub-module are arranged in parallel along the same horizontal plane.
6. The radio frequency matrix switch of claim 1, wherein the transverse and longitudinal modules are each provided with an electromagnetic shielding structure comprising a spacer, a metallic shielding cavity or a layer of wave absorbing material.
7. A method of configuring a radio frequency matrix switch as claimed in any one of claims 1 to 6, comprising: acquiring a preset matrix order M multiplied by N; Determining the number of the transverse modules and the longitudinal modules and the corresponding port configuration according to the preset matrix order MxN; Configuring a radio frequency matrix switch in a quadrature topology based on the number of the transverse modules and the longitudinal modules and the corresponding port configuration; the radio frequency matrix switch is configured in an orthogonal topology mode, and is arranged in an orthogonal mode for the transverse module and the longitudinal module and connected in a matrix mode through a port.
8. The apparatus of claim 7, wherein the determining the number of transversal and longitudinal modules and the corresponding port configuration according to the preset matrix order mxn further comprises: comparing M and N with a path threshold; In response to determining that M is greater than a passage threshold, splitting the transverse module into a plurality of primary sub-modules and secondary sub-modules for combined substitution; In response to determining that the N is greater than a passage threshold, splitting the longitudinal module into a plurality of primary sub-modules and secondary sub-modules for combined substitution; wherein the path threshold is the maximum number of communicable paths of the single pole, multi throw switch.
9. The apparatus of claim 7, wherein the determining the number of transversal and longitudinal modules and the corresponding port configuration according to the preset matrix order mxn comprises: Determining the number of transverse modules and the number of longitudinal modules according to the matrix order MxN; determining the number of output ports of the transverse module based on the number of longitudinal modules; the number of longitudinal module input ports is determined based on the number of transverse modules.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any one of claims 7 to 9 when the program is executed by the processor.
11. A non-transitory computer readable storage medium storing computer instructions for causing a computer to perform the method of any one of claims 7 to 9.
12. A computer program product comprising computer program instructions which, when run on a computer, cause the computer to perform the method of any of claims 7-9.

Description

Radio frequency matrix switch, configuration method and related device Technical Field The present application relates to the field of communications devices, and in particular, to a radio frequency matrix switch, a configuration method and a related apparatus. Background In the application scenarios of radio frequency communication, wireless system test, antenna array calibration, multichannel instrument interconnection and the like, the radio frequency matrix switch is used as an important basic module for signal routing scheduling and link switching, and plays roles of multichannel radio frequency signal free routing and dynamic switching. Through the radio frequency matrix switch, a plurality of input ports can be flexibly connected to different output ports according to application requirements and test configuration, and rapid switching, path multiplexing and complex system reconstruction of equipment on a signal link are realized. However, the radio frequency matrix switch in the related art has the problems of poor topology expansibility, large volume, high cost, insufficient performance consistency and the like. In view of this, how to design the rf matrix switch can achieve an effective balance among topology scalability, miniaturized structural design, performance consistency, reliability and system manufacturing cost, and is a problem to be solved. Disclosure of Invention Accordingly, the present application is directed to a radio frequency matrix switch, a configuration method and a related device, which solve or partially solve the above-mentioned problems. Based on the above object, the present application provides a radio frequency matrix switch, comprising: The shell comprises a plurality of side plate assemblies, and a plurality of side plate assemblies are surrounded to form an accommodating space; the matrix module is arranged in the accommodating space and comprises an input part and an output part which are electrically connected with each other; The input part comprises a plurality of transverse modules which are stacked and arranged along a first direction, the output part comprises a plurality of longitudinal modules which are arrayed and arranged along a second direction, and the first direction is perpendicular to the second direction. Optionally, the transverse module includes at least one transverse input port and a plurality of transverse output ports, and the longitudinal module includes a plurality of longitudinal input ports and at least one longitudinal output port; each transverse output port of the transverse module is electrically connected with a longitudinal input port of the corresponding longitudinal module respectively so as to construct a matrix orthogonal connection path between the input part and the output part. Optionally, the transverse module and the longitudinal module each comprise a module housing provided with a module cavity, a driving control circuit board and a switch circuit board; The driving control circuit board is arranged in the mounting groove at one side of the module shell, the switch circuit board is arranged in the module cavity, and the driving control circuit board is electrically connected with the switch circuit board. Optionally, the switch circuit board includes at least one of a single pole, multi-throw radio frequency switch circuit, a multi-pole, multi-throw radio frequency switch circuit, a radio frequency multiplexer circuit, a radio frequency cross point matrix switch circuit, or a radio frequency demultiplexer circuit. The transverse module comprises a first-level sub-module and a plurality of second-level sub-modules, wherein the first-level sub-module comprises a plurality of sub-output ends, the second-level sub-module is provided with a sub-input end, and each sub-output end of the first-level sub-module is respectively and electrically connected with the sub-input end of the corresponding second-level sub-module; the primary sub-module and the secondary sub-module are arranged in parallel along the same horizontal plane. Optionally, the transverse module and the longitudinal module are both provided with electromagnetic shielding structures, and the electromagnetic shielding structures comprise a spacer, a metal shielding cavity or a wave absorbing material layer. Based on the same inventive concept, the application also provides a radio frequency matrix switch configuration method, which is applied to the radio frequency matrix switch, and comprises the following steps: acquiring a preset matrix order M multiplied by N; Determining the number of the transverse modules and the longitudinal modules and the corresponding port configuration according to the preset matrix order MxN; Configuring a radio frequency matrix switch in a quadrature topology based on the number of the transverse modules and the longitudinal modules and the corresponding port configuration; the radio frequency matrix switch is configured in an orthogona