CN214380831U - Radio frequency switching matrix device - Google Patents
Radio frequency switching matrix device Download PDFInfo
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- CN214380831U CN214380831U CN202120490996.4U CN202120490996U CN214380831U CN 214380831 U CN214380831 U CN 214380831U CN 202120490996 U CN202120490996 U CN 202120490996U CN 214380831 U CN214380831 U CN 214380831U
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Abstract
The utility model discloses a radio frequency switching matrix device, radio frequency switching matrix device includes: the power distribution system comprises a radio frequency input port, a radio frequency output port, a self-calibration signal unit, a power distribution unit, a switch amplification unit and a power control panel, wherein the radio frequency input port is connected with the power distribution unit, a power control port of the self-calibration signal unit is connected with the power control panel, the self-calibration signal output port of the self-calibration signal unit is connected with the power distribution unit, the power distribution unit is connected with the switch amplification unit, an output end of the switch amplification unit is connected with the radio frequency output port, and a power control port of the switch amplification unit of the power control panel is connected with the power control input port of the switch amplification unit. The utility model provides a traditional switching matrix volume weight big, problem with high costs.
Description
Technical Field
The utility model relates to a vehicle-mounted system radio frequency interconnect field, concretely relates to radio frequency switching matrix device.
Background
The radio frequency switching matrix is a radio frequency cross-connection system, and is mainly used for interconnection among a plurality of radio frequency devices in various systems. In the system, the rapid switching among various devices, such as an antenna, a power amplifier or a transceiving component, is realized through an instruction issued by the main controller.
The common switching matrix realizes interconnection among multiple channels, needs more radio frequency cables for interconnection, and has larger design volume and weight and higher design cost.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a novel radio frequency switching matrix device, the design adopts the modularized design, and the main module directly adopts the mode that directly links, can replace traditional switching matrix, and it is big to solve traditional switching matrix volume weight, with high costs problem.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a radio frequency switching matrix device, radio frequency switching matrix device includes: the power distribution system comprises a radio frequency input port, a radio frequency output port, a self-calibration signal unit, a power distribution unit, a switch amplification unit and a power control panel, wherein the radio frequency input port is connected with the power distribution unit, a power control port of the self-calibration signal unit is connected with the power control panel, the self-calibration signal output port of the self-calibration signal unit is connected with the power distribution unit, the power distribution unit is connected with the switch amplification unit, an output end of the switch amplification unit is connected with the radio frequency output port, and a power control port of the switch amplification unit of the power control panel is connected with the power control input port of the switch amplification unit.
Furthermore, the radio frequency input port includes seven radio frequency input signal ports, each radio frequency input signal port is connected with the power dividing unit, and the radio frequency output port includes eighteen radio frequency output signal ports.
Furthermore, the self-calibration signal unit comprises a power control port and seven self-calibration signal output ports, and each self-calibration signal output port is connected with the power distribution unit.
Further, the power dividing unit includes: the power distribution system comprises a first power distribution unit, a second power distribution unit, a third power distribution unit, a fourth power distribution unit, a fifth power distribution unit, a sixth power distribution unit and a seventh power distribution unit, wherein each power distribution unit is provided with a power distribution radio frequency input port, a self-calibration signal input port and eighteen power distribution radio frequency output ports.
Furthermore, a self-calibration signal input port of the power dividing unit is connected with a self-calibration signal output port of the self-calibration signal unit, a power dividing radio frequency input port of the power dividing unit is connected with a radio frequency input signal port, and eighteen power dividing radio frequency output ports are connected with the switch amplifying unit.
Furthermore, the switch amplification unit comprises eighteen switch amplification units, and each switch amplification unit comprises seven switch amplification radio frequency input ports, one output port and one power supply control input port.
Furthermore, seven switch amplification radio frequency input ports of the switch amplification unit are respectively connected with the power division radio frequency output ports of the power division unit, the output ports of the switch amplification unit are connected with the radio frequency output signal ports, and the power supply control input port of the switch amplification unit is connected with the power supply control panel.
Further, the power control board includes: the power control input port is connected with the switch, the switch is connected with the power supply, the power control injection port is further connected with the panel control port, the self-calibration signal power control output port is connected with the power control port of the self-calibration signal unit, and the switch amplification power control port is connected with the power supply control input port of the switch amplification unit.
Furthermore, the power dividing unit, the switch amplifying unit and the self-correcting signal unit are directly connected in an inserted mode through SMB type connectors.
Furthermore, the switch amplification unit and the power supply control board are connected in a plug-in mode through a customized pin header/hole connector.
The utility model has the advantages of as follows:
the utility model discloses a radio frequency switching matrix device divides unit and a plurality of switch amplification unit interconnect through a plurality of merits, adopts the modularized design, and the main module directly adopts the mode that directly links, can replace traditional switching matrix, reduces the volume of equipment, and weight reduction reduces design cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a block diagram of an L-band 7 × 18 switching matrix structure of a radio frequency switching matrix apparatus according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of an L-band 7 × 18 switching matrix of a radio frequency switching matrix apparatus according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of an L-band 7 × 18 switching matrix control of a radio frequency switching matrix apparatus according to an embodiment of the present invention;
in the figure: 1-radio frequency input port, 2-radio frequency output port, 3-self-correcting signal unit, 4-power dividing unit, 5-switch amplifying unit, 6-power control panel, 7-panel control port, 8-switch, 9-power supply
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
The embodiment discloses a radio frequency switching matrix device, which includes: the power supply comprises a radio frequency input port 1, a radio frequency output port 2, a self-calibration signal unit 3, a power distribution unit 4, a switch amplification unit 5 and a power control panel 6, wherein the radio frequency input port 1 is connected with the power distribution unit 4, the power control port of the self-calibration signal unit 3 is connected with the power control panel 6, the self-calibration signal output port of the self-calibration signal unit 3 is connected with the power distribution unit 4, the power distribution unit 4 is connected with the switch amplification unit 5, the output end of the switch amplification unit 5 is connected with the radio frequency output port 2, and the power control port of the switch amplification unit 5 of the power control panel 6 is connected with the power control input port of the switch amplification unit 5. The modular design is adopted, the main modules directly adopt a direct connection mode, the traditional switching matrix can be replaced, the size of the equipment is reduced, the weight is reduced, and the design cost is reduced.
The radio frequency input port 1 comprises seven radio frequency input signal ports, each radio frequency input signal port is connected with the power dividing unit 4, the radio frequency output port 2 comprises eighteen radio frequency output signal ports, the self-correcting signal unit 3 comprises a power control port and seven self-correcting signal output ports, and each self-correcting signal output port is connected with the power dividing unit 4.
The power dividing unit 4 includes: the power distribution system comprises a first power distribution unit, a second power distribution unit, a third power distribution unit, a fourth power distribution unit, a fifth power distribution unit, a sixth power distribution unit and a seventh power distribution unit, wherein each power distribution unit is provided with a power distribution radio frequency input port, a self-calibration signal input port and eighteen power distribution radio frequency output ports.
A self-calibration signal input port of the first power division unit is connected with a self-calibration signal output port of the self-calibration signal unit 3, a power division radio frequency input port of the first power division unit is connected with a radio frequency input signal port, and eighteen power division radio frequency output ports are connected with a switch amplification unit 5;
a self-calibration signal input port of the second power division unit is connected with a self-calibration signal output port of the self-calibration signal unit 3, a power division radio frequency input port of the first power division unit is connected with a radio frequency input signal port, and eighteen power division radio frequency output ports are connected with a switch amplification unit 5;
a self-calibration signal input port of the third power division unit is connected with a self-calibration signal output port of the self-calibration signal unit 3, a power division radio frequency input port of the first power division unit is connected with a radio frequency input signal port, and eighteen power division radio frequency output ports are connected with the switch amplification unit 5;
a self-calibration signal input port of the fourth power division unit is connected with a self-calibration signal output port of the self-calibration signal unit 3, a power division radio frequency input port of the first power division unit is connected with a radio frequency input signal port, and eighteen power division radio frequency output ports are connected with the switch amplification unit 5;
a self-calibration signal input port of the fifth power dividing unit is connected with a self-calibration signal output port of the self-calibration signal unit 3, a power dividing radio frequency input port of the first power dividing unit is connected with a radio frequency input signal port, and eighteen power dividing radio frequency output ports are connected with the switch amplifying unit 5;
a self-calibration signal input port of the sixth power dividing unit is connected with a self-calibration signal output port of the self-calibration signal unit 3, a power dividing radio frequency input port of the first power dividing unit 4 is connected with a radio frequency input signal port, and eighteen power dividing radio frequency output ports are connected with the switch amplifying unit 5;
the self-calibration signal input port of the seventh power dividing unit is connected with the self-calibration signal output port of the self-calibration signal unit 3, the power dividing radio frequency input port of the first power dividing unit 4 is connected with the radio frequency input signal port, and the eighteen power dividing radio frequency output ports are connected with the switch amplifying unit 5.
Referring to fig. 2, the first to seventh power dividing units in the product and the switch amplifying unit 5 need to be interconnected, the number of connected ports is 126, the number of connected ports is 7 × 18, the connecting part of the product design adopts SMB connectors to be plugged directly, which is different from the traditional mode of connecting by adopting cable assemblies, and the design has the advantages of small structure, light weight, low cost and the like.
The switching amplification unit 5 comprises eighteen switching amplification units 5, and each switching amplification unit 5 comprises seven switching amplification radio frequency input ports, one output port and one power supply control input port. Seven switch amplification radio frequency input ports of the switch amplification unit 5 are respectively connected with the power division radio frequency output ports of the power division unit 4, the output port of the switch amplification unit 5 is connected with the radio frequency output signal port, and the power supply control input port of the switch amplification unit 5 is connected with the power control panel 6. The switch amplification unit 5 and the power supply control board 6 are connected in a plug-and-socket mode through a customized pin/hole connector.
The power supply control board 6 includes: power control input port, from school signal power control output port and switch amplification power control port, power control input port is connected with switch 8, and switch 8 is connected power 9, and power control injection port still is connected with panel control port 7, from school signal power control output port connection from the power control port connection of school signal unit 3, switch amplification power control port is connected with switch amplification unit 5's power supply control input port.
Referring to fig. 3, the external control interface of the product is an RS422 serial bus, the ARM interprets the upper computer control instruction, and transmits the interpreted control signal to the switch amplification unit 5 through the latch, the analog switch, the decoder and other devices, so as to control the radio frequency switch to conduct the required radio frequency channel. The self-checking function of the product is realized by controlling the self-checking signal unit 3 and the switch amplifying unit 5, and when any one of the 7 x 18 paths fails, the failure can be reported to the upper computer in time.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A radio frequency switch matrix apparatus, the radio frequency switch matrix apparatus comprising: the power distribution system comprises a radio frequency input port, a radio frequency output port, a self-calibration signal unit, a power distribution unit, a switch amplification unit and a power control panel, wherein the radio frequency input port is connected with the power distribution unit, a power control port of the self-calibration signal unit is connected with the power control panel, the self-calibration signal output port of the self-calibration signal unit is connected with the power distribution unit, the power distribution unit is connected with the switch amplification unit, an output end of the switch amplification unit is connected with the radio frequency output port, and a power control port of the switch amplification unit of the power control panel is connected with the power control input port of the switch amplification unit.
2. The rf switch matrix apparatus of claim 1, wherein the rf input port comprises seven rf input signal ports, each rf input signal port is connected to a power dividing unit, and the rf output port comprises eighteen rf output signal ports.
3. The rf switch matrix apparatus of claim 1, wherein the self-calibration signal unit comprises a power control port and seven self-calibration signal output ports, and each of the seven self-calibration signal output ports is connected to the power dividing unit.
4. The rf switching matrix apparatus of claim 1, wherein the power dividing unit comprises: the power distribution system comprises a first power distribution unit, a second power distribution unit, a third power distribution unit, a fourth power distribution unit, a fifth power distribution unit, a sixth power distribution unit and a seventh power distribution unit, wherein each power distribution unit is provided with a power distribution radio frequency input port, a self-calibration signal input port and eighteen power distribution radio frequency output ports.
5. The radio frequency switch matrix device according to claim 4, wherein the self-calibration signal input port of the power dividing unit is connected to the self-calibration signal output port of the self-calibration signal unit, the power dividing radio frequency input port of the power dividing unit is connected to the radio frequency input signal port, and eighteen power dividing radio frequency output ports are connected to the switch amplifying unit.
6. A radio frequency switch matrix apparatus as claimed in claim 1, wherein said switched amplifier units comprise eighteen switched amplifier units, each switched amplifier unit comprising seven switched amplifier radio frequency input ports, one output port and one power supply control input port.
7. The radio frequency switch matrix device according to claim 6, wherein seven switch amplification radio frequency input ports of the switch amplification unit are respectively connected to the power division radio frequency output ports of the power division unit, the output ports of the switch amplification unit are connected to the radio frequency output signal ports, and the power supply control input ports of the switch amplification unit are connected to the power supply control board.
8. The rf switching matrix apparatus of claim 1, wherein the power control board comprises: the power control input port is connected with the switch, the switch is connected with the power supply, the power control injection port is further connected with the panel control port, the self-calibration signal power control output port is connected with the power control port of the self-calibration signal unit, and the switch amplification power control port is connected with the power supply control input port of the switch amplification unit.
9. A radio frequency switch matrix apparatus according to claim 1, wherein the power dividing unit is directly connected to the switching amplifying unit and the self-calibration signal unit by using SMB type connectors.
10. A radio frequency switch matrix apparatus as claimed in claim 1, wherein said switching amplifier units are mated to the power control board using custom pin/socket connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490996.4U CN214380831U (en) | 2021-03-08 | 2021-03-08 | Radio frequency switching matrix device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490996.4U CN214380831U (en) | 2021-03-08 | 2021-03-08 | Radio frequency switching matrix device |
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| Publication Number | Publication Date |
|---|---|
| CN214380831U true CN214380831U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120490996.4U Active CN214380831U (en) | 2021-03-08 | 2021-03-08 | Radio frequency switching matrix device |
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|---|---|
| CN (1) | CN214380831U (en) |
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2021
- 2021-03-08 CN CN202120490996.4U patent/CN214380831U/en active Active
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