CN108254749A - One kind can moving type weather radar beam control device - Google Patents
One kind can moving type weather radar beam control device Download PDFInfo
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- CN108254749A CN108254749A CN201711165094.8A CN201711165094A CN108254749A CN 108254749 A CN108254749 A CN 108254749A CN 201711165094 A CN201711165094 A CN 201711165094A CN 108254749 A CN108254749 A CN 108254749A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention relates to a kind of control devices, and more particularly to one kind can moving type weather radar beam control device.The present invention includes electric power management circuit, energy storage protection circuit, digital control circuit, external interface; external interface is connected with transmitting-receiving subassembly; two-way communication link between digital control circuit and external interface; energy storage protection circuit provides circuit protection and energy support for transmitting-receiving subassembly, and the electric power management circuit is used to power for digital control circuit.Present invention accomplishes can moving type weather radar demand; the electronically scanning at one dimension for realizing leaky antenna retouches wave beam control; energy storage protection circuit can protect transmitting-receiving subassembly; when there is short trouble; transmitting-receiving subassembly is efficiently avoided not to be burned; and play the role of supplementing energy to power supply when emitting broad pulse; the present invention has the characteristics that miniaturization, light-weight, reliability is high; running parameter can be preserved to local, meet can moving type weather radar mobility strong, facilitate the requirement of erection.
Description
Technical field
The present invention relates to a kind of control devices, and more particularly to one kind can moving type weather radar beam control device.
Background technology
Beam control device is common in phased array radar, control program mainly by remote control computer and
Fpga chip is built to be formed jointly, and control code is sent to fpga chip come when generating after remote control computer completion computing function
Sequence controls Wave beam forming.
Traditional remote control computer and fpga chip builds the beam control device to be formed and does not obviously meet portion jointly
The requirement of part lightweight miniaturization, and lack the transmitting energy storage of transmitting-receiving subassembly with protecting circuit and transmitted pulse width being limited
The hardware circuit of system, can not functionally meet can moving type weather radar the needs of, therefore there is an urgent need for improve.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, providing one kind can moving type weather radar wave beam control dress by the present invention
It puts, the present invention has the characteristics that miniaturization, light-weight, reliability is high.
To achieve the above object, present invention employs following technical measures：
One kind can moving type weather radar beam control device, including electric power management circuit, energy storage protection circuit, number control
Circuit and external interface processed, the external interface are connected with transmitting-receiving subassembly, the digital control circuit and external interface it
Between two-way communication link, the energy storage protection circuit, which is used to providing circuit protection and energy for transmitting-receiving subassembly, to be supported, the power supply
Circuit is managed to be used to power for digital control circuit.
Preferably, the electric power management circuit includes protection filter module and power conversion module, the protection filtering mould
The input terminal of block is connected with+5V power supplys, and the output terminal of filter module is protected to be connected with the input terminal of power conversion module, described
Power conversion module is used to power for digital control circuit.
Preferably, the digital control circuit is matched including stored digital with temperature monitoring module, FPGA control modules, FPGA
Put module, ethernet mac module, 232 drive modules, level switch module, clock input module, pulse limit for width module and
422 differential driving modules, the FPGA control modules respectively with stored digital and temperature monitoring module, FPGA configuration modules, with
Too net MAC module, 232 drive modules, level switch module, 422 differential driving module two-way communication links, the FPGA controls
The input terminal of module is connected with the output terminal of clock input module, the output terminals of FPGA control modules by pulse limit for width module with
The input terminal of 422 differential driving modules is connected, the ethernet mac module, 232 drive modules, level switch module, 422 poor
Point drive module two-way communication link between external interface, the input terminal of the clock input module and external interface it is defeated
Outlet is connected.
Preferably, the external interface include RJ45 interfaces, 232 serial line interfaces, parallel interface, SMA clocks input interface,
Eight transmitting-receiving subassembly interfaces, two-way communication link between the RJ45 interfaces and ethernet mac module, 232 serial line interfaces and 232
Two-way communication link between drive module, two-way communication link between parallel interface and level switch module, the input of SMA clocks connect
Mouthful output terminal be connected with the input terminal of clock input module, eight transmitting-receiving subassembly interfaces with 422 differential driving modules
Between two-way communication link, each output terminal of the transmitting-receiving subassembly interface respectively with an energy storage protection circuit is connected.
Further, the electric power management circuit includes the first power supply chip, second source chip, third power supply chip,
The model TPS54312 of first power supply chip, the model TPS62006 of second source chip, third power supply chip
The pin 20 of model TPS75733, TPS54312 chip is grounded by first resistor R1, and the pin 18 of TPS54312 chips draws
The one end of foot 17 respectively with one end of the first capacitance C1, the second capacitance C2 is connected, the other end of the first capacitance C1, second
The other end of capacitance C2 is all connected with one end of third capacitance C3, the pin 11 of TPS54312 chips, pin 12, pin 13 and connects
Ground, the other end of the third capacitance C3 respectively with the pin of TPS54312 chips 14, pin 15, pin 16, second resistance R2
One end and+5V power supplys be connected, the other end of the second resistance R2 respectively with one end of 3rd resistor R3, TPS54312
The pin 4 of chip is connected, the pins 2 of TPS54312 chips respectively with one end of the 5th capacitance C5, the 6th capacitance C6 one end,
One end of first inductance L1 and+1.2V power supplys are connected, the other end of the 5th capacitance C5, the other end of the 6th capacitance C6
Be grounded, the other end of the first inductance L1 connect respectively one end of the 4th capacitance C4, TPS54312 chips pin 6, draw
Foot 7, pin 8, pin 9, pin 10, the other end of the 4th capacitance C4 are connected with the pin 5 of TPS54312 chips；It is described
The other end of 3rd resistor R3 connects the base stage of the first triode V1, and the collector of the first triode V1 is connected by the 4th resistance R4
+ 5V power supplys, the pin 1 of the collector connection TPS75733 chips of the first triode V1 are connect, the pin 2 of TPS75733 chips is distinguished
One end of the tenth capacitance C10 and+5V power supplys are connected, the pin 5 of TPS75733 chips connects one end of the 5th resistance R5, described
The other end of 5th resistance R5 connects one end of the 11st capacitance C11, the pin 4 of TPS75733 chips and+3.3V electricity respectively
Source, the other end of the tenth capacitance C10, the other end of the 11st capacitance C11 are grounded；The pin of the TPS62006 chips
1st, pin 8 and pin 6 are all connected with one end of the 7th capacitance C7 and+5V power supplys, second electricity of the connection of pin 9 of TPS62006 chips
Feel one end of L2, the other end of the second inductance L2 connect respectively one end of the 9th capacitance C9, TPS62006 chips pin 5
And+2.5V power supplys, one end of the 8th capacitance C8 of the connection of pin 2 of TPS62006 chips, the other end of the 7th capacitance C7,
The other end of 8th capacitance C8, the other end of the 9th capacitance C9 are grounded, pin 3, pin 7, the pin 10 of TPS62006 chips
It is grounded.
Further, the energy storage protection circuit includes fuse F1 and the first diode V2, and the one of the fuse F1
The cathode of end and the first diode V2 are all connected with power supply, and the anode of the first diode V2 connects the 12nd capacitance C12's
One end and one end of the 6th resistance R6, the other end ground connection of the 12nd capacitance C12, the 6th resistance R6's is another
It holds, the other end of fuse F1 is all connected with the input terminal of transmitting-receiving subassembly interface.
Further, the pulse limit for width module includes SN74LV123A chips, the pin 2 of the SN74LV123A chips
The pin 2 of the first logic chip of connection model SN74LV1T08DBVR and transmitting door pocket signal respectively, SN74LV123A cores
The pin 10 of piece connects the pin 2 of the second logic chip of model SN74LV1T08DBVR and transmitting door pocket signal respectively,
The pin 3 of SN74LV123A chips connects one end of the 13rd capacitance C13 and+3.3V power supplys, the 13rd capacitance C13's
The other end is grounded, and the pin 5 of SN74LV123A chips connects the pin 1 of the first logic chip, the pin of SN74LV123A chips
The pin 1 of 13 the second logic chips of connection, the pin 6 of SN74LV123A chips connect one end and the ground connection of the 14th capacitance C14,
The other end of the 14th capacitance C14 connects one end of the pin 7 of SN74LV123A chips, the 7th resistance R7 respectively, described
The other end connection power supply of 7th resistance R7, the pin 16 of SN74LV123A chips connect one end and the electricity of the 15th capacitance C15
Source, the other end ground connection of the 15th capacitance C15, the pin 15 of SN74LV123A chips connect the one of the 8th resistance R8 respectively
End, one end of the 16th capacitance C16, the other end connection power supply of the 8th resistance R8, the 16th capacitance C16's is another
The pin 14 of end connection SN74LV123A chips is simultaneously grounded, and the pin 11 of SN74LV123A chips connects the 17th capacitance C17's
One end and power supply, the other end ground connection of the 17th capacitance C17；The pin 3 of first logic chip passes through the 18th capacitance
The pin 5 of C18 the first logic chips of connection, the pin 3 of the second logic chip pass through the 19th capacitance C19 the second logic cores of connection
The pin 5 of piece, the pin 4 of first logic chip, the pin 4 of the second logic chip are all connected with 422 differential driving modules
Input terminal；The pin 2 of the SN74LV123A chips, the pin 10 of SN74LV123A chips, the first logic chip pin 2 with
And second the pin 2 of logic chip be connected with FPGA control modules.
Further, the stored digital includes AT24C64 chips and AD7416 chips with temperature monitoring module, described
The pins 1 of AT24C64 chips connects power supply, the pins 8 of AT24C64 chips connect respectively the 20th capacitance C20 one end and
Power supply, the other end ground connection of the 20th capacitance C20, the pin 5 of AT24C64 chips connect the one of the tenth resistance R10 respectively
End, the pin 1 of AD7416 chips and FPGA control modules, the pin 6 of AT24C64 chips connect the one of the 9th resistance R9 respectively
End, the pin 2 of AD7416 chips and FPGA control modules, the other end of the 9th resistance R9, the tenth resistance R10 it is another
End is all connected with one end and the power supply of the 21st capacitance C21, the other end ground connection of the 21st capacitance C21.
Further, 232 drive module includes the serial ports transceiver of model MAX3232EUE；The level turns
Mold changing block includes the electrical level transferring chip of model SN74ALVC164245DLR；The 422 differential driving module includes model
The driver of SN65LBC174A16DW；The ethernet mac module includes the chip of model W5300.
Further, the FPGA control modules include the control chip that chip model is EP4CE30F23I7.
The beneficial effects of the present invention are：
1), the present invention includes electric power management circuit, energy storage protection circuit, digital control circuit and external interface, meets
Can moving type weather radar demand, the electronically scanning at one dimension that realizes leaky antenna retouches wave beam control, the energy storage protection circuit
Transmitting-receiving subassembly can be protected, when there is short trouble, efficiently avoid transmitting-receiving subassembly and be not burned, and sending out
Play the role of supplementing energy to power supply when penetrating broad pulse, the present invention has the characteristics that miniaturization, light-weight, reliability is high, energy
It is enough to preserve running parameter to local, meet can moving type weather radar mobility strong, facilitate the requirement of erection.
2), the pulse limit for width module includes SN74LV123A chips, and the pulse after broadening and primary shooting are covered signal
It is sent into after SN74LV1T08DBVR chips carry out logical AND and exports the transmitting door pocket signal for being finally given to transmitting-receiving subassembly, i.e., it is final
Transmitting door pocket signal is not more than the good width of hardware setting, can be effectively protected transmitting-receiving subassembly, extend its service life, improves
Reliability.
3), the FPGA control modules include the control chip that chip model is EP4CE30F23I7, pulse limit for width module
Including SN74LV123A chips, stored digital includes AT24C64 chips and AD7416 chips, 232 drivings with temperature monitoring module
Module includes the serial ports transceiver of model MAX3232EUE, and level switch module includes model SN74ALVC164245DLR
Electrical level transferring chip, 422 differential driving modules include the driver of model SN65LBC174A16DW, ethernet mac module
Include the chip of model W5300, said chip cooperates each other, realizes the optimal design of the present invention, the present invention
Can adapt to various atrocious weather environment, can adapt to can moving type weather radar it is vehicle-mounted during pitch.
Description of the drawings
Fig. 1 is the hardware block diagram of the present invention；
Fig. 2 is the schematic diagram of the electric power management circuit of the present invention；
Fig. 3 is the schematic diagram of the energy storage protection circuit of the present invention；
Fig. 4 is the schematic diagram of the pulse limit for width module of the present invention；
Fig. 5 is the stored digital of the present invention and the schematic diagram of temperature monitoring module；
Fig. 6 is 232 drive modules of the present invention, the schematic diagram of level switch module；
Fig. 7 is the schematic diagram of the 422 differential driving modules of the present invention.
Reference numeral meaning in figure is as follows：
10-electric power management circuit 11-protection 12-power conversion module of filter module
20-energy storage protection circuit, 30-digital control circuit
31-stored digital and temperature monitoring module 32-FPGA control modules
33-FPGA, 34-ethernet macs of configuration module module, 35-232 drive module
36-level switch module, 37-clock input module 38-pulse limit for width module
39-422 differential driving module 40-external interface, 41-RJ45 interfaces
42-232 serial line interface 43-parallel interface, 44-SMA clock input interfaces
45-transmitting-receiving subassembly interface
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, one kind can moving type weather radar beam control device includes electric power management circuit 10, energy storage is protected
Circuit 20, digital control circuit 30 and external interface 40, the external interface 40 are connected with transmitting-receiving subassembly, the number control
Two-way communication link between circuit 30 and external interface 40 processed, the energy storage protection circuit 20 are used to provide circuit for transmitting-receiving subassembly
Protection and energy support, the electric power management circuit 10 are used to power for digital control circuit 30.
Specifically, the transmitting-receiving subassembly is set as eight X-band transmitting-receiving subassemblies, energy storage protection circuit 20 is also configured as and X
Corresponding 8 groups of wave band transmitting-receiving subassembly.
As shown in Figure 1, the electric power management circuit 10 includes protection filter module 11 and power conversion module 12, the guarantor
The input terminal of shield filter module 11 is connected with+5V power supplys, protects the output terminal of filter module 11 and power conversion module 12
Input terminal is connected, and the power conversion module 12 is used to power for digital control circuit 30.
As shown in Fig. 2, the electric power management circuit 10 includes the first power supply chip, second source chip, third power supply core
Piece, the model TPS54312 of first power supply chip, the model TPS62006 of second source chip, third power supply chip
The pin 20 of model TPS75733, TPS54312 chip be grounded by first resistor R1, the pin 18 of TPS54312 chips,
The one end of pin 17 respectively with one end of the first capacitance C1, the second capacitance C2 is connected, the other end of the first capacitance C1,
The other end of two capacitance C2 is all connected with one end of third capacitance C3, the pin 11 of TPS54312 chips, pin 12, pin 13 and connects
Ground, the other end of the third capacitance C3 respectively with the pin of TPS54312 chips 14, pin 15, pin 16, second resistance R2
One end and+5V power supplys be connected, the other end of the second resistance R2 respectively with one end of 3rd resistor R3, TPS54312
The pin 4 of chip is connected, the pins 2 of TPS54312 chips respectively with one end of the 5th capacitance C5, the 6th capacitance C6 one end,
One end of first inductance L1 and+1.2V power supplys are connected, the other end of the 5th capacitance C5, the other end of the 6th capacitance C6
Be grounded, the other end of the first inductance L1 connect respectively one end of the 4th capacitance C4, TPS54312 chips pin 6, draw
Foot 7, pin 8, pin 9, pin 10, the other end of the 4th capacitance C4 are connected with the pin 5 of TPS54312 chips；It is described
The other end of 3rd resistor R3 connects the base stage of the first triode V1, and the collector of the first triode V1 is connected by the 4th resistance R4
+ 5V power supplys, the pin 1 of the collector connection TPS75733 chips of the first triode V1 are connect, the pin 2 of TPS75733 chips is distinguished
One end of the tenth capacitance C10 and+5V power supplys are connected, the pin 5 of TPS75733 chips connects one end of the 5th resistance R5, described
The other end of 5th resistance R5 connects one end of the 11st capacitance C11, the pin 4 of TPS75733 chips and+3.3V electricity respectively
Source, the other end of the tenth capacitance C10, the other end of the 11st capacitance C11 are grounded；The pin of the TPS62006 chips
1st, pin 8 and pin 6 are all connected with one end of the 7th capacitance C7 and+5V power supplys, second electricity of the connection of pin 9 of TPS62006 chips
Feel one end of L2, the other end of the second inductance L2 connect respectively one end of the 9th capacitance C9, TPS62006 chips pin 5
And+2.5V power supplys, one end of the 8th capacitance C8 of the connection of pin 2 of TPS62006 chips, the other end of the 7th capacitance C7,
The other end of 8th capacitance C8, the other end of the 9th capacitance C9 are grounded, pin 3, pin 7, the pin 10 of TPS62006 chips
It is grounded.
+ 5V power supplys are filtered to be input to TPS75733 chips, TPS62006 chips and TPS54312 chips, exports respectively
The voltage of+3.3V ,+2.5V and+1.2V are used for digital control circuit 30.
As shown in Figure 1, the digital control circuit 30 includes stored digital and temperature monitoring module 31, FPGA control modules
32nd, FPGA configuration modules 33, ethernet mac module 34,232 drive modules 35, level switch module 36, clock input module
37th, 38 and 422 differential driving module 39 of pulse limit for width module, the FPGA control modules 32 respectively with stored digital and temperature
Monitoring modular 31, FPGA configuration modules 33, ethernet mac module 34,232 drive modules 35, level switch module 36,422 are poor
Divide 39 two-way communication link of drive module, the input terminal of the FPGA control modules 32 and the output terminal phase of clock input module 37
Even, the output terminal of FPGA control modules 32 is connected by pulse limit for width module 38 with the input terminal of 422 differential driving modules 39, institute
State ethernet mac module 34,232 drive modules 35, level switch module 36,422 differential driving modules 39 and external interface
Two-way communication link between 40, the input terminal of the clock input module 37 are connected with the output terminal of external interface 40.
As shown in Figure 1, when the external interface 40 includes RJ45 interfaces 41,232 serial line interfaces 42, parallel interface 43, SMA
44, eight transmitting-receiving subassembly interfaces 45 of clock input interface, two-way communication company between the RJ45 interfaces 41 and ethernet mac module 34
Connect, two-way communication link between 232 serial line interfaces 42 and 232 drive modules 35, parallel interface 43 and level switch module 36 it
Between two-way communication link, the output terminal of SMA clocks input interface 44 is connected with the input terminal of clock input module 37, described in eight
The two-way communication link between 422 differential driving modules 39 of transmitting-receiving subassembly interface 45, each described transmitting-receiving subassembly interface 45
The output terminal with an energy storage protection circuit 20 is connected respectively.
422 differential signals, 232 rs 232 serial interface signals, 5VTTL level signals and the 3.3VTTL signals of FPGA control modules 32 are mutual
Mutually convert；
With temperature monitoring module 31 for storing wave beam control relevant parameter, power down preserves stored digital, monitors wave beam control
Real time temperature during device work processed；
As shown in figure 3, the energy storage protection circuit 20 includes fuse F1 and the first diode V2, the fuse F1's
The cathode of one end and the first diode V2 are all connected with power supply, and the anode of the first diode V2 connects the 12nd capacitance C12
One end and the 6th resistance R6 one end, the 12nd capacitance C12 the other end ground connection, the 6th resistance R6's is another
It holds, the other end of fuse F1 is all connected with the input terminal of transmitting-receiving subassembly interface 45.
Since transmitting-receiving subassembly works in a pulsed fashion, the duty ratio of pulse is no more than 16%, when being emitted, need compared with
Big transient current, it is therefore desirable to large bulk capacitance i.e. the 12nd capacitance C12 is connected in parallel on the power supply of transmitting-receiving subassembly, width is provided
Energy supplement when impulse ejection works, fuse F1 are connected on to provide on the power supply of transmitting-receiving subassembly and the overcurrent of transmitting-receiving subassembly are protected
Shield.
Energy storage protection circuit 20 is made of bulky capacitor, discharge loop and fuse, ensures controlling pair for beam control device
As the larger transient current in transmitting pulse time.
As shown in figure 4, the pulse limit for width module 38 includes SN74LV123A chips, the SN74LV123A chips draw
Foot 2 connects the pin 2 of the first logic chip of model SN74LV1T08DBVR and transmitting door pocket signal, SN74LV123A respectively
The pin 10 of chip connects the pin 2 of the second logic chip of model SN74LV1T08DBVR and transmitting door pocket signal respectively,
The pin 3 of SN74LV123A chips connects one end of the 13rd capacitance C13 and+3.3V power supplys, the 13rd capacitance C13's
The other end is grounded, and the pin 5 of SN74LV123A chips connects the pin 1 of the first logic chip, the pin of SN74LV123A chips
The pin 1 of 13 the second logic chips of connection, the pin 6 of SN74LV123A chips connect one end and the ground connection of the 14th capacitance C14,
The other end of the 14th capacitance C14 connects one end of the pin 7 of SN74LV123A chips, the 7th resistance R7 respectively, described
The other end connection power supply of 7th resistance R7, the pin 16 of SN74LV123A chips connect one end and the electricity of the 15th capacitance C15
Source, the other end ground connection of the 15th capacitance C15, the pin 15 of SN74LV123A chips connect the one of the 8th resistance R8 respectively
End, one end of the 16th capacitance C16, the other end connection power supply of the 8th resistance R8, the 16th capacitance C16's is another
The pin 14 of end connection SN74LV123A chips is simultaneously grounded, and the pin 11 of SN74LV123A chips connects the 17th capacitance C17's
One end and power supply, the other end ground connection of the 17th capacitance C17；The pin 3 of first logic chip passes through the 18th capacitance
The pin 5 of C18 the first logic chips of connection, the pin 3 of the second logic chip pass through the 19th capacitance C19 the second logic cores of connection
The pin 5 of piece, the pin 4 of first logic chip, the pin 4 of the second logic chip are all connected with 422 differential driving modules 39
Input terminal；The pin 2 of the SN74LV123A chips, the pin 10 of SN74LV123A chips, the first logic chip pin 2
And second the pin 2 of logic chip be connected with FPGA control modules 32.
Pulse limit for width module 38 can ensure that the signal width of its output does not exceed required time.
As shown in figure 5, the stored digital includes AT24C64 chips and AD7416 chips, institute with temperature monitoring module 31
The pin 1 for stating AT24C64 chips connects power supply, the pins 8 of AT24C64 chips connect respectively one end of the 20th capacitance C20 with
And power supply, the other end ground connection of the 20th capacitance C20, the pin 5 of AT24C64 chips connect the tenth resistance R10's respectively
One end, the pin 1 of AD7416 chips and FPGA control modules 32, the pin 6 of AT24C64 chips connect the 9th resistance R9 respectively
One end, the pin 2 of AD7416 chips and FPGA control modules 32, the other end, the tenth resistance R10 of the 9th resistance R9
The other end be all connected with one end and the power supply of the 21st capacitance C21, the other end ground connection of the 21st capacitance C21.
AT24C64 chips and AD7416 chips are powered both for+3.3V, the 21st capacitance C21, the 20th capacitance
C20 is that power filtering capacitor, AT24C64 chips and AD7416 chip I 2C buses are communicated with fpga chip, the 9th resistance R9,
Tenth resistance R10 is pull-up resistor, the address pins of A0, A1, A2 for AT24C64 chips, therefore AT24C64 chips,
The address of AD7416 chips is set to " 000 ", " 001 ".
As shown in Figure 6,7,232 drive module 35 includes the serial ports transceiver of model MAX3232EUE；The electricity
Flat modular converter 36 includes the electrical level transferring chip of model SN74ALVC164245DLR；The 422 differential driving module 39 is wrapped
Include the driver of model SN65LBC174A16DW；The ethernet mac module 34 includes the chip of model W5300, FPGA
Control module includes the control chip that chip model is EP4CE30F23I7.
As shown in fig. 6, SN74ALVC164245DLR is electrical level transferring chip, the 22nd capacitance C22, the 23rd electricity
It is filter capacitor to hold C23, and the effect of SN74ALVC164245DLR chips is by fpga chip+3.3V signals and outside+5V
TTL signal is mutually converted, and a chip possesses two Zu Gong, 16 road signals, two groups of input, outbound course and enabled
It is configured by 1,24,25 and 48 feet.MAX3232EUE chips are 232 serial ports transceivers, it is possible to provide 232 signal of two-way is handed over
Mutually.
As shown in fig. 7, SN65LBC174A16DW chips are 422 drivers ,+3.3V the signals of fpga chip can be converted
Into 422 differential signals, the 27th capacitance C27, the 28th capacitance C28 are filter capacitor, input signal TR422_1,
TR422_2, TR422_3 connect fpga chip with TR422_4, output signal RS422_1+, RS422_1-, RS422_2+,
RS422_2-, RS422_3+, RS422_3-, RS422_4+, RS422_4- are connected on the interface with transmitting-receiving subassembly.
W5300 be Ethernet MAC controller, it can be achieved that the network communication of beam control device and radar terminal equipment, by
3.3V powers, therefore signal pin can be connected directly with the I/O mouths of FPGA, the external 25MHz crystal oscillators of chip, with network
Signal is via interaction after transformer T1.
This weather radar beam control device can realize that totally 32 road transceiver channels control to up to 8 groups of transmitting-receiving subassemblies,
Interface type includes Transistor-Transistor Logic level form, 422 difference schemes, network interface, 232 serial ports and SMA clock input interfaces etc..
During work, main control chip of the FPGA control modules 32 as beam control device, FPGA control modules 32 are according to this
Value or operating mode set by user is locally stored in the operating mode of ground storage or the operating mode of radar monitoring terminal setting,
Calculate the Serial Control code and timing control letter during different beams orientation angle under corresponding frequency point corresponding to each transmitting-receiving subassembly
Number, and these signals are exported by the I/O mouths of the fpga chip to 422 differential driving module, 39,422 differential driving module
39 convert the signal into 422 after be sent to each transmitting-receiving subassembly, so as to form correct beam position.Pulse limit for width module 38
The pin 1~7 of SN74LV123A chips is used for signal all the way, and pin 8 is ground, and pin 9~15 is used for second road signal, drawn
Foot 16 is power supply, wherein, pin 1,9 foot perseverances ground connection, pin 3,11 perseverances connect power supply.During normal work, transmitting door pocket signal from
The SN74LV123A chips 2,10 of SN74LV123A chips input, according to 14,15 external resistance capacitance of pin 6,7 and pin
Pulse after broadening and primary shooting are covered signal feeding by value, the pulse after one broadening of the output of pin 5,13
SN74LV1T08DBVR chips export the transmitting door pocket signal for being finally given to transmitting-receiving subassembly, i.e., final transmitting after carrying out logical AND
Door pocket signal is not more than the good width of hardware setting, can be effectively protected transmitting-receiving subassembly, extends its service life, improves reliable
Property.
Claims (10)
1. one kind can moving type weather radar beam control device, it is characterised in that：It is protected including electric power management circuit (10), energy storage
Protection circuit (20), digital control circuit (30) and external interface (40), the external interface (40) are connected with transmitting-receiving subassembly,
Two-way communication link between the digital control circuit (30) and external interface (40), the energy storage protection circuit (20) for for
Transmitting-receiving subassembly provide circuit protection and energy support, the electric power management circuit (10) for for digital control circuit (30) supply
Electricity.
2. one kind as described in claim 1 can moving type weather radar beam control device, it is characterised in that：The power supply pipe
It manages circuit (10) and includes protection filter module (11) and power conversion module (12), the input terminal of the protection filter module (11)
It is connected with+5V power supplys, the output terminal of protection filter module (11) is connected with the input terminal of power conversion module (12), the electricity
Source modular converter (12) for for digital control circuit (30) power.
3. one kind as claimed in claim 2 can moving type weather radar beam control device, it is characterised in that：The number control
Circuit (30) processed including stored digital and temperature monitoring module (31), FPGA control modules (32), FPGA configuration modules (33), with
Too net MAC module (34), 232 drive modules (35), level switch module (36), clock input module (37), pulse limit for width mould
Block (38) and 422 differential driving modules (39), the FPGA control modules (32) respectively with stored digital and temperature monitoring mould
Block (31), FPGA configuration modules (33), ethernet mac module (34), 232 drive modules (35), level switch module (36),
422 differential driving module (39) two-way communication links, input terminal and the clock input module of the FPGA control modules (32)
(37) output terminal is connected, and the output terminal of FPGA control modules (32) passes through pulse limit for width module (38) and 422 differential driving moulds
The input terminal of block (39) is connected, the ethernet mac module (34), 232 drive modules (35), level switch module (36), 422
Differential driving module (39) two-way communication link between external interface (40), the input terminal of the clock input module (37)
It is connected with the output terminal of external interface (40).
4. one kind as claimed in claim 3 can moving type weather radar beam control device, it is characterised in that：The outside connects
Mouthful (40) including RJ45 interfaces (41), 232 serial line interfaces (42), parallel interface (43), SMA clocks input interface (44), eight
Transmitting-receiving subassembly interface (45), two-way communication link between the RJ45 interfaces (41) and ethernet mac module (34), 232 is serial
Two-way communication link between interface (42) and 232 drive modules (35), between parallel interface (43) and level switch module (36)
Two-way communication link, the output terminal of SMA clocks input interface (44) are connected with the input terminal of clock input module (37), eight institutes
State transmitting-receiving subassembly interface (45) two-way communication link, each described transmitting-receiving subassembly between 422 differential driving modules (39)
Output terminal of the interface (45) respectively with an energy storage protection circuit (20) is connected.
5. one kind as claimed in claim 4 can moving type weather radar beam control device, it is characterised in that：The power supply pipe
Reason circuit (10) includes the first power supply chip, second source chip, third power supply chip, the model of first power supply chip
TPS54312, the model TPS62006 of second source chip, model TPS75733, the TPS54312 core of third power supply chip
The pin 20 of piece is grounded by first resistor R1, the pins 18 of TPS54312 chips, pin 17 respectively with the first capacitance C1 one
End, the second capacitance C2 one end be connected, the other end of the first capacitance C1, the other end of the second capacitance C2 are all connected with third
One end of capacitance C3, the pin 11 of TPS54312 chips, pin 12, pin 13 are simultaneously grounded, the other end of the third capacitance C3
It is connected respectively with the pin of TPS54312 chips 14, pin 15, pin 16, one end of second resistance R2 and+5V power supplys, institute
It states pin 4 of the other end of second resistance R2 respectively with one end of 3rd resistor R3, TPS54312 chips to be connected, TPS54312
The pin 2 of chip respectively with one end of the 5th capacitance C5, one end of the 6th capacitance C6, one end of the first inductance L1 and+1.2V
Power supply is connected, and the other end of the 5th capacitance C5, the other end of the 6th capacitance C6 are grounded, and the first inductance L1's is another
One end connects one end of the 4th capacitance C4, the pin 6 of TPS54312 chips, pin 7, pin 8, pin 9, pin 10, institute respectively
The other end for stating the 4th capacitance C4 is connected with the pin 5 of TPS54312 chips；The other end connection the of the 3rd resistor R3
The base stage of one triode V1, the collector of the first triode V1 by the 4th resistance R4 connection+5V power supplys, the first triode V1's
Collector connects the pin 1 of TPS75733 chips, the pins 2 of TPS75733 chips connect respectively one end of the tenth capacitance C10 with
And+5V power supplys, the pin 5 of TPS75733 chips connect one end of the 5th resistance R5, the other end difference of the 5th resistance R5
One end of the 11st capacitance C11, the pin 4 of TPS75733 chips and+3.3V power supplys are connected, the tenth capacitance C10's is another
One end, the 11st capacitance C11 the other end be grounded；Pin 1, pin 8 and the pin 6 of the TPS62006 chips are all connected with
One end of seven capacitance C7 and+5V power supplys, the pin 9 of TPS62006 chips connect one end of the second inductance L2, second electricity
The other end of sense L2 connects one end of the 9th capacitance C9, the pin 5 of TPS62006 chips and+2.5V power supplys respectively,
The pins 2 of TPS62006 chips connects one end of the 8th capacitance C8, the other end of the 7th capacitance C7, the 8th capacitance C8 it is another
One end, the 9th capacitance C9 the other end be grounded, pin 3, pin 7, the pin 10 of TPS62006 chips are grounded.
6. one kind as claimed in claim 5 can moving type weather radar beam control device, it is characterised in that：The energy storage is protected
Protection circuit (20) includes the cathode of fuse F1 and the first diode V2, one end of the fuse F1 and the first diode V2
Power supply is all connected with, the anode of the first diode V2 connects one end of the 12nd capacitance C12 and one end of the 6th resistance R6,
The other end ground connection of the 12nd capacitance C12, the other end of the 6th resistance R6, the other end of fuse F1 are all connected with receiving
Send out the input terminal of component interface (45).
7. one kind as described in claim 3~6 any one can moving type weather radar beam control device, feature exists
In：The pulse limit for width module (38) includes SN74LV123A chips, and the pin 2 of the SN74LV123A chips distinguishes connecting-type
Number for SN74LV1T08DBVR the first logic chip pin 2 and transmitting door pocket signal, the pin 10 of SN74LV123A chips
The pin 2 of the second logic chip of connection model SN74LV1T08DBVR and transmitting door pocket signal respectively, SN74LV123A cores
The pin 3 of piece connects one end of the 13rd capacitance C13 and+3.3V power supplys, and the other end of the 13rd capacitance C13 is grounded,
The pin 5 of SN74LV123A chips connects the pin 1 of the first logic chip, and the connection of pin 13 second of SN74LV123A chips is patrolled
The pin 1 of chip is collected, the pin 6 of SN74LV123A chips connects one end and the ground connection of the 14th capacitance C14, the 14th electricity
The other end for holding C14 connects one end of the pin 7 of SN74LV123A chips, the 7th resistance R7 respectively, the 7th resistance R7's
Other end connection power supply, one end of the 15th capacitance C15 of the connection of pin 16 of SN74LV123A chips and power supply, the described 15th
The other end ground connection of capacitance C15, the pin 15 of SN74LV123A chips connect one end, the 16th capacitance of the 8th resistance R8 respectively
One end of C16, the other end connection power supply of the 8th resistance R8, the other end connection of the 16th capacitance C16
The pin 14 of SN74LV123A chips is simultaneously grounded, the pins 11 of SN74LV123A chips connect one end of the 17th capacitance C17 with
And power supply, the other end ground connection of the 17th capacitance C17；The pin 3 of first logic chip passes through the 18th capacitance C18 connections
The pin 5 of first logic chip, the drawing by the 19th capacitance C19 the second logic chips of connection of pin 3 of the second logic chip
Foot 5, the pin 4 of first logic chip, the pin 4 of the second logic chip are all connected with the defeated of 422 differential driving modules (39)
Enter end；The pin 2 of the SN74LV123A chips, the pin 10 of SN74LV123A chips, the first logic chip pin 2 and
The pin 2 of second logic chip is connected with FPGA control modules (32).
8. one kind as claimed in claim 7 can moving type weather radar beam control device, it is characterised in that：The number is deposited
Storage includes AT24C64 chips and AD7416 chips with temperature monitoring module (31), and the pin 1 of the AT24C64 chips connects electricity
Source, the pin 8 of AT24C64 chips connect one end and the power supply of the 20th capacitance C20 respectively, the 20th capacitance C20's
The other end is grounded, the pins 5 of AT24C64 chips connect respectively one end of the tenth resistance R10, the pin 1 of AD7416 chips and
FPGA control modules (32), the pins 6 of AT24C64 chips connect respectively one end of the 9th resistance R9, AD7416 chips pin 2
And FPGA control modules (32), the other end of the 9th resistance R9, the other end of the tenth resistance R10 are all connected with the 21st
One end of capacitance C21 and power supply, the other end ground connection of the 21st capacitance C21.
9. one kind as claimed in claim 8 can moving type weather radar beam control device, it is characterised in that：Described 232 drive
Serial ports transceiver of the dynamic model block (35) including model MAX3232EUE；The level switch module (36) is including model
The electrical level transferring chip of SN74ALVC164245DLR；The 422 differential driving module (39) is including model
The driver of SN65LBC174A16DW；The ethernet mac module (34) includes the chip of model W5300.
10. one kind as claimed in claim 9 can moving type weather radar beam control device, it is characterised in that：The FPGA
Control module (32) including chip model be EP4CE30F23I7 control chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711165094.8A CN108254749A (en) | 2017-11-21 | 2017-11-21 | One kind can moving type weather radar beam control device |
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| CN201711165094.8A CN108254749A (en) | 2017-11-21 | 2017-11-21 | One kind can moving type weather radar beam control device |
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| CN109507673A (en) * | 2018-10-16 | 2019-03-22 | 江苏万邦微电子有限公司 | One kind can moving type weather radar beam control device |
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