CN207965135U - A kind of phased-array radar beam control device of high speed interconnection architecture - Google Patents
A kind of phased-array radar beam control device of high speed interconnection architecture Download PDFInfo
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- CN207965135U CN207965135U CN201820315941.8U CN201820315941U CN207965135U CN 207965135 U CN207965135 U CN 207965135U CN 201820315941 U CN201820315941 U CN 201820315941U CN 207965135 U CN207965135 U CN 207965135U
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Abstract
The utility model is related to a kind of phased-array radar beam control devices of high speed interconnection architecture, belong to ground, onboard radar system wave beam control field.Its technical solution is：A kind of phased-array radar beam control device of high speed interconnection architecture, the elastomeric connector of both-end elasticity spring claw spring needle is used in the printed board of wave control unit, each wave control unit forms integrated submatrix by vertically being interconnected between n elastomeric connector and T/R components；Task electronic system is carried out data transmission with beam-controller using optical fiber.This device is applicable in ground and airborne phased array radar system.Fast with wave beam conversion speed, equipment volume is small, and wave control unit and T/R components are integrated using elastomeric connector, the features such as forming integrated submatrix, save very multi-cable.
Description
Technical field：
The present invention relates to a kind of phased-array radar beam control devices of high speed interconnection architecture, belong to ground, airborne radar
System wave beam control field.
Background technology：
Phased array antenna wavefront technology due to it flexibly and fast the characteristics of, provide flexibility, real-time for radar scanning
And diversity.Major Systems of the beam steering system as phased-array radar, major function complete the width of T/R components in order to control
The calculating and storage that degree, phase, working condition and width mutually compensate realize that the orientation of wave beam, the noninertia in pitch orientation are swept
It retouches and the quick correction of antenna.
When being commonly designed beam control device, two kinds of design methods are mostly used greatly, and it is logical that one is task electronic systems in cabin
Cross beam positional angle, pitch angle calculates wave beam control code, then pass through RS422 electric level interfaces (be usually synchronous serial interface mode) hair
Beam control device is given, then TR components are sent to by serial ports or parallel port mode by beam control device；Another kind is cabin
Interior task electronic system sends wave beam azimuth, pitch angle to beam-controller, by beam-controller by 10M/100M networks
Wave beam control code is calculated, Beamsteering Unit is sent to by RS422 electric level interfaces (being usually synchronous serial interface mode), by wave
Beam control unit carries out the transmitting-receiving control of TR components.
Phased-array radar is due to the requirement of performance at present, and antenna element enormous amount, T/R component devices amounts are huge, wave beam
Conversion speed is fast.Traditional network, serial communication mode have been unsatisfactory for the requirement of wave beam control conversion in the repetition period.
Invention content：
Big for current phased-array radar T/R component devices amounts, wave beam conversion speed waits mission requirements soon.The utility model
Purpose be a kind of wave beam control framework etc. using high speed interconnection architecture.
The technical solution adopted in the utility model is：In beam-controller and cabin between task electronic system using optical fiber into
Row data transmission passes through " 1 drag more " low-voltage differential signal (LVDS) electric level interface between beam-controller and integrated submatrix
Carry out data transmission.The elastomeric connector of both-end elasticity spring claw spring needle, each wave control list are used in wave control unit printed board
Member is by vertically interconnecting (the T/R assembly units number that n is the control of wave control unit), height between n elastomeric connector and T/R components
It is integrated, form integrated submatrix.
The good effect of the utility model is：This device is applicable in ground and airborne phased array radar system.Have
Wave beam conversion speed is fast, and equipment volume is small, and wave control unit and T/R components are integrated using elastomeric connector, forms one
Beggar's battle array, the features such as saving very multi-cable.
Description of the drawings：
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is beam control device the general frame
Fig. 2 is beam control device beam-controller functional block diagram
Fig. 3 is beam-controller optical fiber interface schematic diagram
Fig. 4 is the single LVDS interface of beam-controller " 1 drags 4 " functional block diagram
Fig. 5 is beam-controller LVDS interface functional block diagram
Fig. 6 is beam-controller LVDS interface schematic diagram
Fig. 7 is that wave control unit interconnects schematic diagram with T/R components
Specific implementation mode：
The utility model is further described with reference to the accompanying drawings and examples.
The general frame of the utility model is as shown in Figure 1.
Operation management level equipment includes mainly：Task electronic system etc. is located in cabin, mainly realizes operating mode, wave beam
Pitching, azimuthal transmission；Data-driven grade equipment is mainly beam-controller, is located at antenna array, and 1 road optical fiber receives task
The operating mode of electronic system transmission, wave beam pitching, azimuth calculate and generate phase shift code, decaying code and according to radar Working mould
Formula generates sequential；Data distribution grade equipment includes multiple integrated submatrixs (wave control unit+TR components), is received by LVDS interface
Phase shift code, the decaying code of beam-controller transmission.
The beam control device beam-controller functional block diagram of the utility model is as shown in Figure 2.
Beam-controller mainly include 1 CPU, 1 FPGA (model XC5VFX130T-1FFG1738I), optical module and
Its auxiliary circuit forms, and all optical modules support flank speed 2.5Gb/s, equipment block diagram as shown in Figure 3.In the course of work
In, downlink data flow is：Wave control data are sent to beam-controller by task electronic system by 1 road twin-core bidirectional optical fiber,
After the conversion of the optical electrical of optical module, data send FPGA, orientation, the pitching data of wave beam total by the data between FPGA and CPU
Line is sent to CPU and calculates corresponding phase shift code, and is passed back to FPGA by data/address bus.FPGA handles data, will
The data such as phase shift code are sent to corresponding wave control unit by LVDS interface.Upstream data flow is：Wave control unit by itself
State parameter, BIT information are sent to beam-controller by LVDS interface, and task is sent to by optical module by beam-controller
Electronic system.
The beam-controller optical fiber interface schematic diagram of the utility model is as shown in Figure 3.
The optic module that beam-controller uses is mainly 2.5G single mode short slab optical modules, this optical module is low-power consumption, high
The double-fiber bidirectional transmit-receive one optical module of performance.Transmission rate is 2.5Gbps, and transmitting, reception wavelength are 1310nm.3.3V straight
Stream power supply.Emitting portion signal pins (TD+ and TD-) are all made of mark with receiving portion signal pins (RD+ and RD-) interface level
Quasi- CML.
Beam-controller realizes the processing of fiber data using the included GTX modules of fpga chip, mainly to sending number
It is extensive according to progress 8B/10B codings, phase alignment, polarity control, preemphasis processing, string simultaneously/parallel-serial conversion, clock excitation/clock
Multiple, differential voltage control, terminal impedance etc., finally by GTX module output difference data to optical module, realize the hair of fiber data
Send and receive work.It is 16 to design GTX module input data width, is encoded through 8B/10B, and parallel data width is 20, defeated
When to enter clock frequency be 125MHz, the optical fiber transmission of rate 2.5Gbps is realized.GTX difference output ends and receiving terminal are by FPGA
Dedicated pin is connect with optical module.
The single LVDS interface of beam-controller " 1 drags 4 " of the utility model is (because being LVDS level signals, in order to ensure
Signal quality, it is proposed that be no more than load number and be no more than 6, that is, be up to " 1 drags 6 ", the design uses " 1 drags 4 ") functional block diagram
As shown in Figure 4.
It is convenient in order to save cable and system cabling in beam-controller design, using a wave control control unit interface
The design method that the integrated submatrix (wave control unit+TR components) of 4, band is multiplexed, i.e., every 4 integrated submatrixs share one group of LVDS
Signal.Shown in figure specific as follows.
The beam-controller LVDS interface functional block diagram of the utility model is as shown in Figure 5.
Due to the design being multiplexed using an integrated submatrix (wave control unit+TR components) of 4, wave control control unit interface band
Mode a, so beam-controller has n LVDS interface, it can be achieved that the control of 4n integrated submatrix in total.
The beam-controller LVDS interface schematic diagram of the utility model is as shown in Figure 6.
In beam-controller LVDS interface circuit design, LVDS is realized by the way of external LVDS transmitters and receivers
Interface communication.The FPGA TTL signals exported are changed into LVDS differential signals and sent by LVDS transmitters, and LVDS receiver will
LVDS differential input signals are changed into TTL signal and are sent to FPGA.
The LVDS transmitters and receivers used in beam-controller design, each chip highest can handle 400Mbps
The signal transmission of (200MHz) frequency.± 340mV standard difference input voltages.Largest data transfer delay 8ns.
The elastomeric connector schematic diagram of wave control unit and T/R the components interconnection of the utility model is as shown in Figure 7.
Vertical interconnect is carried out using elastomeric connector between wave control unit and T/R components.Wave control unit is axial with T/R components
Between tolerance worst case be -0.06mm~+0.16mm, tolerance worst case is ± 0.4mm between radial direction, meets elastic connection
Device tolerance.
Claims (4)
1. a kind of phased-array radar beam control device of high speed interconnection architecture, including task electronic system, beam-controller, wave
Control unit and TR components, it is characterised in that be：The elasticity of both-end elasticity spring claw spring needle is used in the printed board of wave control unit
Connector, each wave control unit is by the way that vertically (n is the T/ that wave control unit controls for interconnection between n elastomeric connector and T/R components
R assembly units number), form integrated submatrix；Task electronic system is carried out data transmission with beam-controller using optical fiber.
2. a kind of phased-array radar beam control device of high speed interconnection architecture as described in claim 1, main feature exist
In：It is connect by " 1 drags 4 " low-voltage differential signal (LVDS) level between the beam-controller and the integrated submatrix
Mouth carries out data transmission, i.e. the design method of the integrated submatrixs multiplexing of 4, a wave control control unit interface band.
3. a kind of phased-array radar beam control device of high speed interconnection architecture as described in claim 1, main feature exist
In：Fpga chip in the beam-controller contains high speed serialization transceiver i.e. Ji bit transceivers.
4. a kind of phased-array radar beam control device of high speed interconnection architecture as described in claim 1, main feature exist
In：The beam-controller includes CPU, FPGA, optic module, wherein the optic module is 2.5G single mode short slab optical fiber modes
Block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820315941.8U CN207965135U (en) | 2018-03-07 | 2018-03-07 | A kind of phased-array radar beam control device of high speed interconnection architecture |
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| CN201820315941.8U CN207965135U (en) | 2018-03-07 | 2018-03-07 | A kind of phased-array radar beam control device of high speed interconnection architecture |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298669A (en) * | 2018-11-12 | 2019-02-01 | 北京航空航天大学 | A kind of modularization high-precision control system and method suitable for large scale array wave beam forming |
| CN109582002A (en) * | 2018-11-20 | 2019-04-05 | 上海航天电子通讯设备研究所 | The protective device and method of radar antenna TR component based on FPGA |
| CN111580434A (en) * | 2020-05-20 | 2020-08-25 | 西安黄河机电有限公司 | Beam control system and phased array radar antenna |
| CN113394542A (en) * | 2021-08-17 | 2021-09-14 | 南京天朗防务科技有限公司 | Radiating assembly and radiating device of phased array antenna |
-
2018
- 2018-03-07 CN CN201820315941.8U patent/CN207965135U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298669A (en) * | 2018-11-12 | 2019-02-01 | 北京航空航天大学 | A kind of modularization high-precision control system and method suitable for large scale array wave beam forming |
| CN109582002A (en) * | 2018-11-20 | 2019-04-05 | 上海航天电子通讯设备研究所 | The protective device and method of radar antenna TR component based on FPGA |
| CN109582002B (en) * | 2018-11-20 | 2022-05-27 | 上海航天电子通讯设备研究所 | FPGA-based radar antenna TR component protection device and method |
| CN111580434A (en) * | 2020-05-20 | 2020-08-25 | 西安黄河机电有限公司 | Beam control system and phased array radar antenna |
| CN113394542A (en) * | 2021-08-17 | 2021-09-14 | 南京天朗防务科技有限公司 | Radiating assembly and radiating device of phased array antenna |
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