CN113655741B - Composite array feed function switching device - Google Patents
Composite array feed function switching device Download PDFInfo
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- CN113655741B CN113655741B CN202110859090.XA CN202110859090A CN113655741B CN 113655741 B CN113655741 B CN 113655741B CN 202110859090 A CN202110859090 A CN 202110859090A CN 113655741 B CN113655741 B CN 113655741B
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- mechanical switch
- control board
- industrial control
- switching
- relay module
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21014—Interface, module with relays
Abstract
The invention provides a composite array feed function switching device, which comprises a control computer, a mechanical switch group, a multi-way relay module IO expansion industrial control board and a microwave amplifier, wherein: the control computer controls the IO expansion industrial control board of the multi-path relay module; the microwave amplifier is arranged between the mechanical switch groups and is used for amplifying the power of the radio frequency signals; and the IO expansion industrial control board of the multi-path relay module controls the state of the corresponding mechanical switch group according to the control information sent by the control computer. The invention can realize flexible switching of the feed function through the state configuration of the sparse-dense array, the power and the polarization mode, and realize the miniaturization integration of the device by using the IO expansion industrial control board of the multi-path relay module through a grouping control mode. The design matched with the radio frequency feeder link is adopted, the influence of the device on the signal link is reduced to the maximum extent, and meanwhile, the device has good reliability and high stability, and the technical index requirements of the system are guaranteed.
Description
Technical Field
The invention relates to the crossing field of a microwave technology and an automatic control technology, in particular to a composite array feed function switching device.
Background
In order to meet the performance verification and countermeasure simulation of multi-model and multi-system weapon systems, the radio frequency guidance semi-physical simulation test system needs to dynamically simulate and generate complex target echo signals, clutter signals and interference signals with multiple directions, multiple polarizations and multiple targets. The antenna array and the feed control system are used as a target generation and signal control core of a semi-physical simulation test system, and the feed switching functions of sparse/dense array switching, power increase selection, polarization mode selection and the like are required. The feed function switching device satisfying the above requirements needs to consider the following problems in design and integration:
1. the feed function switching device is a part of a feed link, and the transmission quality of microwave signals is required to be ensured in the design, so that the influence of the device on the signal link is required to be reduced to the maximum extent, and good reliability and high stability are required to be achieved;
2. according to the space layout design of the antenna array, the feed function switching device is arranged between the microwave coarse control system and the input port of the radiation antenna, the number of the antennas is large, and the integration and miniaturization principles need to be followed in the design and development process under the condition that the technical index requirements of the system are met.
So far, the control technology mainly based on the traditional relay and mechanical switch can not meet the above requirements. The composite array feed function switching device can simultaneously realize flexible switching of three states of sparse/dense array multiplexing, power increase and polarization mode selection, and the good matching degree between the composite array feed function switching device and a feed transmission link can meet the signal transmission quality requirement, and meanwhile, the rapid integration of an antenna array is realized by adopting a miniaturized design.
Disclosure of Invention
In view of the defects in the prior art, the present invention provides a switching device for feeding function of composite array.
The composite array feed function switching device provided by the invention comprises a control computer, a mechanical switch group, a multi-way relay module IO expansion industrial control board and a microwave amplifier, wherein:
the control computer controls the multi-path relay module IO to expand the industrial control board;
the microwave amplifier is arranged between the mechanical switch groups and is used for amplifying the power of the radio frequency signals;
and the IO expansion industrial control board of the multi-path relay module controls the state of the corresponding mechanical switch group according to the control information issued by the control computer.
Preferably, the control computer generates a plurality of control signals and controls the industrial control board through the Modbus bus.
Preferably, the relay module IO extension industrial control board includes singlechip processing board, multichannel relay module and dial switch.
Preferably, the control computer comprises industrial control panel control software.
Preferably, the IO expansion industrial control panel of the multi-relay module includes a sparse-dense array switching industrial control panel, a power increase selection industrial control panel, and a polarization mode switching industrial control panel.
Preferably, the mechanical switch group comprises a sparse-dense-matrix switching mechanical switch, a power-increase selection mechanical switch, and a polarization-mode switching mechanical switch, wherein:
the sparse-dense array switching industrial control board controls the state of a sparse-dense array switching mechanical switch;
the power increasing and selecting industrial control board controls the state of the power increasing and selecting mechanical switch;
the polarization mode switching industrial control board controls the state of the polarization mode switching mechanical switch.
Preferably, the sparse-dense matrix switching mechanical switch is arranged in the microwave coarse control cabinet.
Preferably, the power boost selection mechanical switch, the microwave amplifier and the polarization mode switching mechanical switch are located in front of the input port of each feedhorn.
Preferably, the connection between the sparse-dense array switching mechanical switch, the power increase selection mechanical switch, the microwave amplifier, the polarization mode switching mechanical switch and the horn antenna is performed through a microwave cable.
Preferably, the mechanical switch group has a floating holding function, and the contact is disconnected after the output signal of the IO expansion industrial control panel of the relay module is received and controlled in place.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can realize flexible switching of the feed function through the state configuration of the sparse-dense array, the power and the polarization mode, and realize the miniaturization integration of the device by using the IO expansion industrial control board of the multi-path relay module through a grouping control mode.
2. The invention adopts the design matched with the radio frequency feed link, reduces the influence of the device on the signal link to the maximum extent, has good reliability and high stability, and ensures the technical index requirement of the system.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a working principle diagram of an IO expansion industrial control board of a multi-way relay module.
Fig. 2 is a schematic diagram of the composition and operation of the composite array feeding function switching device of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1 and fig. 2, the composite array feed function switching device according to the embodiment of the present invention includes a control computer 1 (including an industrial control board control software), a mechanical switch group 2, a multi-relay module IO expansion industrial control board 3, and a microwave amplifier 4, and the composition and the operation principle are as shown in fig. 2. The mechanical switch group 2 is divided into a sparse-dense array switching mechanical switch 5, a power increase selection mechanical switch 6 and a polarization mode switching mechanical switch 7 according to functional functions; the IO expansion industrial control board of the multi-path relay module is divided into a sparse-dense array switching industrial control board 8, a power increase selection industrial control board 9 and a polarization mode switching industrial control board 10.
The control computer 1 is a control center of the whole device, the control computer 1 runs industrial control board control software to generate a plurality of paths of control signals, and the industrial control board is controlled through a Modbus.
The microwave amplifier 4 mainly realizes power amplification of radio frequency signals.
The control digit of the sparse matrix switching mechanical switch 5, the power increase selection mechanical switch 6 and the polarization mode switching mechanical switch 7 is determined by the switching state. Each mechanical switch has a suspension holding function, and the contact is disconnected after the mechanical switch receives the output signal of the industrial control board and is controlled in place, so that the safety and the stability of the switch work are ensured.
The sparse-dense array switching industrial control board 8, the power increase selection industrial control board 9 and the polarization mode switching industrial control board 10 realize the state control of the corresponding mechanical switch group according to the control information sent by the control computer 1. The industrial control board adopts a grouping control mode, and can realize flexible switching of control states. The number of each group of control circuits is consistent with the control digit of the mechanical switch, the total output current of the industrial control board meets the requirement of the maximum output current, and the single-circuit output current is within the rated working current range of the mechanical switch.
The assembly process of the composite array feed function switching device comprises the following steps: the control computer 1 is located at the master control center and is connected with each industrial control board through a Modbus, and the industrial control boards are placed in a matched mode with the mechanical switches and are connected through control lines. The sparse-dense array switching mechanical switch 5 is positioned in the microwave coarse control cabinet, and the power increase selection mechanical switch 6, the microwave amplifier 4 and the polarization mode switching mechanical switch 7 are positioned in front of the input port of each horn antenna. The sparse-dense array switching mechanical switch 5, the power increase selection mechanical switch 6, the microwave amplifier 4, the polarization mode switching mechanical switch 7 and the horn antenna are connected through a microwave cable.
The working process of the composite array feed function switching device comprises the following steps: the control computer 1 runs industrial control board control software, sends control information to each industrial control board through a Modbus bus protocol according to a selected feed control mode in the control software, the industrial control boards adopt a grouping control mode, each time, a plurality of paths of control signals are output to control the mechanical switch, and after the control state is stable, the mechanical switch is switched to the next group of output ports until the control of all the output ports is completed.
The invention realizes the flexible switching of the feed function through the state configuration of the sparse array, the power and the polarization mode. The design matched with the radio frequency feeder link is adopted, the influence of the device on the signal link is reduced to the maximum extent, the device has good reliability and high stability, and the technical index requirements of the system are ensured. Meanwhile, the device uses a multichannel relay module IO extension industrial control board to realize the miniaturization of the device in a grouping control mode, and the integration of the system is facilitated.
Those skilled in the art will appreciate that, in addition to implementing the system and its various devices, modules, units provided by the present invention as pure computer readable program code, the system and its various devices, modules, units provided by the present invention can be fully implemented by logically programming method steps in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units included in the system for realizing various functions can also be regarded as structures in the hardware component; means, modules, units for performing the various functions may also be regarded as structures within both software modules and hardware components for performing the method.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. The utility model provides a composite array feed function auto-change over device which characterized in that, includes control computer, mechanical switch group, multichannel relay module IO extension industrial control board and microwave amplifier, wherein:
the control computer controls the IO expansion industrial control board of the multi-path relay module;
the IO expansion industrial control board of the multi-path relay module controls the state of the corresponding mechanical switch group according to the control information sent by the control computer;
the IO expansion industrial control board of the multi-path relay module comprises a sparse-dense array switching industrial control board, a power increase selection industrial control board and a polarization mode switching industrial control board;
the sparse-dense array switching industrial control board is used for switching the sparse array antenna and the dense array antenna;
the mechanical switch group comprises a sparse-dense array switching mechanical switch, a power increasing selection mechanical switch and a polarization mode switching mechanical switch, wherein:
the sparse-dense array switching industrial control board controls the state of a sparse-dense array switching mechanical switch;
the power increasing and selecting industrial control board controls the state of the power increasing and selecting mechanical switch;
the polarization mode switching industrial control board controls the state of a polarization mode switching mechanical switch;
the microwave amplifier is arranged between the power increase selection mechanical switch and the polarization mode switching mechanical switch and is used for carrying out power amplification on the radio frequency signals.
2. The switching device of claim 1, wherein the control computer generates multiple control signals to control the IO expansion industrial control board of the multiple relay modules via the Modbus.
3. The switching device for the feeding function of the composite array according to claim 1, wherein the IO expansion industrial control board of the relay module comprises a single chip processing board, a multi-way relay module and a dial switch.
4. The composite array feed function switching device of claim 1, wherein the control computer comprises multiplexed relay module IO extended industrial control board control software.
5. The switching device for feeding function of composite array as claimed in claim 1, wherein the mechanical switch for switching between sparse and dense arrays is disposed in the microwave coarse control cabinet.
6. The composite array feed function switching arrangement of claim 1, wherein a power boost selection mechanical switch, a microwave amplifier, and a polarization mode switching mechanical switch are located before the input port of each feedhorn.
7. The switching device of feeding function of composite array as claimed in claim 6, wherein the connection between the sparse-dense array switching mechanical switch, the power increase selection mechanical switch, the microwave amplifier, the polarization mode switching mechanical switch and the horn antenna is made through microwave cables.
8. The switching device for feeding functions of composite array according to claim 1, wherein the mechanical switch group has a floating hold function, and the contact is opened after receiving the output signal of the IO expansion industrial control board of the relay module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110859090.XA CN113655741B (en) | 2021-07-28 | 2021-07-28 | Composite array feed function switching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110859090.XA CN113655741B (en) | 2021-07-28 | 2021-07-28 | Composite array feed function switching device |
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| CN113655741A CN113655741A (en) | 2021-11-16 |
| CN113655741B true CN113655741B (en) | 2022-10-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2542163B (en) * | 2015-09-10 | 2021-07-07 | Stratospheric Platforms Ltd | Lightweight process and apparatus for communicating with user antenna phased arrays |
| CN205160195U (en) * | 2015-11-21 | 2016-04-13 | 深圳市迈科信科技有限公司 | Controlling means based on high -speed matrix switch feed |
| WO2019218352A1 (en) * | 2018-05-18 | 2019-11-21 | 京信通信系统（中国）有限公司 | Antenna |
| CN210778990U (en) * | 2019-11-22 | 2020-06-16 | 南京捷希科技有限公司 | Quasi-plane wave generator based on dual-polarized antenna |
| CN111834746B (en) * | 2020-09-17 | 2020-12-04 | 成都知融科技股份有限公司 | Dual-polarization radio frequency front-end system |
| CN112736494A (en) * | 2020-12-01 | 2021-04-30 | 北京遥感设备研究所 | Low-cost dual-polarized phased array antenna and processing method |
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