CN104466407A - Microwave antenna phase-shifting control circuit - Google Patents
Microwave antenna phase-shifting control circuit Download PDFInfo
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- CN104466407A CN104466407A CN201410794682.8A CN201410794682A CN104466407A CN 104466407 A CN104466407 A CN 104466407A CN 201410794682 A CN201410794682 A CN 201410794682A CN 104466407 A CN104466407 A CN 104466407A
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Abstract
The invention relates to microwave landing equipment for airport navigation, in particular to a microwave antenna phase-shifting control circuit. According to the microwave antenna phase-shifting control circuit, a communication interface circuit is connected with a main control circuit, the main control circuit is connected with six sets of switching circuits, the six sets of switching circuits are connected with a self-inspection circuit, and the self-inspection circuit is connected with an LED lamp. A power circuit is connected with a download circuit, the main control circuit, the six sets of switching circuits, the communication interface circuit and the self-inspection circuit. The main control circuit is achieved by a programmable FPGA chip, and a Verilog language writing program is used for completing operation and control work. Parallel communication interfaces achieve information input. The switching circuits conduct corresponding control work according to main control data. The self-inspection circuit detects circuit faults and gives out warnings. The microwave antenna phase-shifting control circuit overcomes the defects that the main control over an existing phase-shifting circuit is implemented through the single chip microcomputer, so that the response speed is low; the communication mode is serial, and thus the transmission speed is low; due to the fact that an existing circuit does not have the self-inspection function, problems cannot be discovered in time.
Description
Technical field
The present invention relates to airport navigation microwave landing aids, particularly relate to a kind of microwave antenna phase-shift control circuit.
Background technology
The major function of microwave landing aids is for landing aircraft provides the elevation angle guidance information of the bearing directing information relative to runway center line marking extended line with relative runway plane, and the continuous distance indication information of distance Runway Landing port, brings in for landing.Existing phase-shift circuit master control is by chip microcontroller, and reaction speed is slower; Communication modes is serial, and transmission speed is slow; Circuit, can not Timeliness coverage problem without self-checking function.
Summary of the invention
In view of the deficiency that prior art exists, the invention provides a kind of microwave antenna phase-shift control circuit.The governor circuit of this phase-shift control circuit is realized by advanced in performance fpga chip, and communication modes adopts parallel bus, possesses circuitry self test function.
The present invention for achieving the above object, the technical scheme taked is: a kind of microwave antenna phase-shift control circuit, it is characterized in that: comprise download circuit, power circuit, governor circuit, six groups of switching circuits, communication interface circuit and self-checking circuits, its circuit connects: communication interface circuit connects governor circuit, governor circuit connects six groups of switching circuits, six groups of switching circuits connect self-checking circuit, self-checking circuit connects LED stand by lamp, and power circuit is connected with self-checking circuit with download circuit, governor circuit, six groups of switching circuits, communication interface circuits respectively.
Feature of the present invention and beneficial effect are: governor circuit is realized by programmable fpga chip, use Verilog language compilation program to complete computing and control work; The input of parallel communication Interface realization information; Switching circuit controls work accordingly according to major control data; The fault detect of self-checking circuit completing circuit and warning.Adopt this circuit, overcome existing phase-shift circuit master control by chip microcontroller, there is reaction speed slower; Communication modes is serial, and transmission speed is slow; Circuit, can not the defect such as Timeliness coverage problem without self-checking function.
Accompanying drawing explanation
Fig. 1 is microwave antenna phase-shift control circuit theory diagram;
Fig. 2 is governor circuit schematic diagram in Fig. 1;
Fig. 3 is communication interface circuit schematic diagram in Fig. 1;
Fig. 4 is download circuit schematic diagram in Fig. 1;
Fig. 5 is Fig. 1 breaker in middle circuit and self-checking circuit schematic diagram;
Fig. 6 is power circuit principle figure in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
With reference to Fig. 1, a kind of microwave antenna phase-shift control circuit comprises download circuit, power circuit, governor circuit, six groups of switching circuits, communication interface circuit and self-checking circuits, its circuit connects: communication interface circuit connects governor circuit, governor circuit connects six groups of switching circuits, six groups of switching circuits connect self-checking circuit, self-checking circuit connects LED, and power circuit is connected with self-checking circuit with download circuit, governor circuit, six groups of switching circuits, communication interface circuits respectively.
With reference to Fig. 2 and Fig. 3, governor circuit employing model of the present invention is the fpga chip D1 of XCSOSVQ100, and communication interface circuit adopts IDC40 interface XP1A and XP1B, 1 pin of interface XP1A and 21 pin ground connection, the 1 pin ground connection of chip D1,3 pin are connected to one end of resistance R33 respectively by resistance R1 and resistance R9, the other end of resistance R33 is connected to 71 pin of chip D1 by resistance R31,5 pin of chip D1,6 pin, 7 pin, 8 pin, 9 pin and 10 pin are connected to 31 pin of 20 pin of interface XP1B and 18 pin, 17 pin of interface XP1A, 16 pin of interface XP1B and 32 pin and interface XP1A respectively by resistance R8, resistance R10, resistance R18, resistance R17, resistance R2 and resistance R3, the 11 pin ground connection of chip D1,12 pin meet power supply VCC and hold, 13 pin of chip D1, 14 pin, 15 pin, 16 pin, 17 pin, 18 add, 19 pin, 20 pin and 21 pin are respectively by resistance R4, resistance R5, resistance R6, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15 and resistance R16 is connected to 30 pin of interface XP1B, 29 pin of interface XP1A, 28 pin of interface XP1B, 27 pin of interface XP1A, 26 pin of interface XP1B, 25 pin of interface XP1A, 24 pin of interface XP1B, 23 pin of interface XP1A and 22 pin of interface XP1B, the 23 pin ground connection of chip D1, 24 pin are by resistance R7 ground connection, 25 pin meet power supply VCC and hold, electric capacity C35, electric capacity C34, electric capacity C33, electric capacity C32 and electric capacity C6 is in parallel, one termination power VCC holds, other end ground connection, 29 pin of chip D1 are connected to 2 pin of interface XP1B, 31 pin of chip D1 by resistance R19, 32 pin, 33 pin, 34 pin and 35 pin are respectively by resistance R20, resistance R21, resistance R22, resistance R23 and resistance R24 is connected to 3 pin of interface XP1A, 4 pin of interface XP1B, 5 pin of interface XP1A, 6 pin of interface XP1B and 7 pin of interface XP1A, 37 pin of chip D1 meet power supply VCC and hold, the 38 pin ground connection of chip D1,39 pin of chip D1, 40 pin, 41 pin, 42 pin and 43 pin are respectively by resistance R25, resistance R26, resistance R27, resistance R28 and resistance R29 is connected to 8 pin of interface XP1B, 9 pin of interface XP1A, 10 pin of interface XP1B, 11 pin of interface XP1A and 12 pin of interface XP1B, 48 pin of chip D1 meet power supply VCC by resistance R30 and hold, 49 pin of chip D1, 64 pin, 77 pin and 88 pin ground connection respectively, 63 pin of chip D1, 75 pin, 89 pin and 100 pin meet power supply VCC respectively and hold, 95 pin of chip D1, 96 pin, 97 pin, 98 pin and 99 pin are respectively by resistance R38, resistance R37, resistance R36, resistance R35 and resistance R34 meets power supply VCC and holds.
With reference to Fig. 4, download circuit of the present invention adopts 17S05 storage chip D2,1 pin of storage chip D2 is connected to 72 pin of chip D1,2 pin are connected to 74 pin of chip D1, and 3 pin are connected to 36 pin of chip D1, and 4 pin are connected to 30 pin of chip D1,3 pin of storage chip D2 are connected with 8 pin of storage chip D2 and one end of 7 pin and electric capacity C31 by resistance R120 again, meet power supply VCC after connection to hold, the other end ground connection of electric capacity C31, the 5 pin ground connection of storage chip D2; One end of resistance R118 is connected to 47 pin of chip D1, the negative electrode of other end connecting luminous diode V14, the anode of light-emitting diode V14 is connected to power supply VCC and holds, be connected with 2 pin of connector XP3 by resistance R121 simultaneously, 2 pin of connector XP3 are connected to again 53 pin of chip D1, the 1 pin ground connection of connector XP3.
With reference to Fig. 5, switching circuit of the present invention (one group) and self-checking circuit adopt an inverter, two NPN field effect transistor and a PNP field effect transistor, 3 pin of inverter D3B connect 86 pin of chip D1, one end of one end of the 4 pin contact resistance R56 of inverter D3B, one end of resistance R57,1 pin of NPN field effect transistor V28, one end of resistance R58 and resistance R59, the other end of resistance R56 connects 2 pin of NPN field effect transistor V30, meet power supply VCC behind one end of the 1 pin connection electric capacity C10 of NPN field effect transistor V30 to hold, the other end ground connection of electric capacity C10, the other end connecting pin of resistance R58 connects the negative electrode of diode V3, one end of resistance R53 and 57 pin of chip D1, the delivery outlet B2-3 be connected with outside is connected to after the anode of diode V3 is connected with the other end of resistance R53, the other end of resistance R59 connects the negative electrode of diode V4, one end of resistance R54 and 58 pin of chip D1, the delivery outlet B2-2 be connected with outside is connected to after the anode of diode V4 is connected with the other end of resistance R54, simultaneously the anode of the other end of resistance R54 and diode V3 is again respectively by resistance R60 and one end of resistance R62 contact resistance R55 and 3 pin of NPN field effect transistor V30, the other end of resistance R55 is connected to 59 pin of chip D1, the anode of diode V4 and the other end of resistance R53 are connected again 3 pin of PNP field effect transistor V29 with resistance R63 respectively by resistance R61, 1 pin of PNP field effect transistor V29 and one end of electric capacity C11, meet power supply VCC2 after the anode of diode V20 and one end of resistance R65 connect to hold, the other end ground connection of electric capacity C11, 1 pin of PNP field effect transistor V29 connects the negative electrode of diode V20, the other end of resistance R65, one end of electric capacity C12 and one end of resistance R64, the other end of electric capacity C12 is connected with the other end of resistance R57, the other end of resistance R64 connects 3 pin of NPN field effect transistor V28, the 2 pin ground connection of NPN field effect transistor V28.
With reference to Fig. 6, the positive pole of the electrochemical capacitor C36 of power circuit of the present invention is connected with one end of electric capacity C37, electric capacity C30 and inductance L 1, ground connection together with after the negative pole of electrochemical capacitor C36 connects with the other end of electric capacity C30 and one end of electric capacity C29 with the other end of electric capacity C37, the negative electrode of diode V15 and the negative electrode of diode V16 is connect after the other end of inductance L 1 is connected with the other end of electric capacity C29, the anode of diode V15 is connected to 19 pin of interface XP1A by fuse F3, the anode of diode V16 is connected to 39 pin of interface XP1A by fuse F4; The positive pole of electrochemical capacitor C28 is connected with one end of electric capacity C27, electric capacity C26, resistance R119 and inductance L 2, ground connection together with after one end of the negative pole of electrochemical capacitor C28 and the other end of the other end of electric capacity C27, electric capacity C26 and the other end of resistance R119 and electric capacity C25 connects, the negative electrode of diode V17 and the negative electrode of diode V18 is connect after the other end of inductance L 2 is connected with the other end of electric capacity C25, the anode of diode V17 is connected to 15 pin of interface XP1A by fuse F2, the anode of diode V18 is connected to 14 pin of interface XP1B by fuse F1.
Power circuit of the present invention provides stable power supply; Parallel communication interface is connected with master control fpga chip, realizes information communication; Master control fpga chip is connected with six groups of switching circuits, realizes phase shift data and exports; Self-checking circuit is connected with switching circuit, realizes the detection to switching circuit; Stand by lamp is connected with self-checking circuit, alarm when having a fault.
Antenna phase-shift control circuit of the present invention is responsible for the main frame and the antenna that connect airport navigation microwave landing aids, and the digital signal sent by main frame provides corresponding switching current and voltage, and control antenna radiofrequency signal phase change, realizes antenna scanning.Meanwhile, this circuit also possesses self-checking function, and the drive plate energy Timeliness coverage when circuit has fault is also reacted.
Governor circuit of the present invention adopts fpga chip (XCS05VQ100), realized by coding: phase shift address signal (5) and phase shift data-signal (6) are inputted by communication interface circuit, main control chip phase shifter drives plate continues to compare phase shift address signal and self address signal, when the two is equal, drive plate controls 6 groups of switching circuit work according to phase shift data-signal.Self-checking circuit can detect the inside and outside fault of switching circuit, and self-inspection part is connected with main frame warning circuit, if fault condition meet and within test period, equipment alarm.If fault condition does not meet and not within test period, this rub-out signal is by inner lock storage, and this latched value can only be resetted by failure reset signal.Governor circuit is also responsible for providing status signal to main frame, proves that whether this circuit is working properly with this.
Claims (5)
1. a microwave antenna phase-shift control circuit, it is characterized in that: comprise download circuit, power circuit, governor circuit, six groups of switching circuits, communication interface circuit and self-checking circuits, its circuit connects: communication interface circuit connects governor circuit, governor circuit connects six groups of switching circuits, six groups of switching circuits connect self-checking circuit, self-checking circuit connects LED stand by lamp, and power circuit is connected with self-checking circuit with download circuit, governor circuit, six groups of switching circuits, communication interface circuits respectively.
2. a kind of microwave antenna phase-shift control circuit according to claim 1, is characterized in that: described governor circuit employing model is the fpga chip D1 of XCSOSVQ100, and communication interface circuit adopts IDC40 interface XP1A and XP1B, 1 pin of interface XP1A and 21 pin ground connection, the 1 pin ground connection of chip D1,3 pin are connected to one end of resistance R33 respectively by resistance R1 and resistance R9, the other end of resistance R33 is connected to 71 pin of chip D1 by resistance R31,5 pin of chip D1,6 pin, 7 pin, 8 pin, 9 pin and 10 pin are connected to 31 pin of 20 pin of interface XP1B and 18 pin, 17 pin of interface XP1A, 16 pin of interface XP1B and 32 pin and interface XP1A respectively by resistance R8, resistance R10, resistance R18, resistance R17, resistance R2 and resistance R3, the 11 pin ground connection of chip D1,12 pin meet power supply VCC and hold, 13 pin of chip D1, 14 pin, 15 pin, 16 pin, 17 pin, 18 add, 19 pin, 20 pin and 21 pin are respectively by resistance R4, resistance R5, resistance R6, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15 and resistance R16 is connected to 30 pin of interface XP1B, 29 pin of interface XP1A, 28 pin of interface XP1B, 27 pin of interface XP1A, 26 pin of interface XP1B, 25 pin of interface XP1A, 24 pin of interface XP1B, 23 pin of interface XP1A and 22 pin of interface XP1B, the 23 pin ground connection of chip D1, 24 pin are by resistance R7 ground connection, 25 pin meet power supply VCC and hold, electric capacity C35, electric capacity C34, electric capacity C33, electric capacity C32 and electric capacity C6 is in parallel, one termination power VCC holds, other end ground connection, 29 pin of chip D1 are connected to 2 pin of interface XP1B, 31 pin of chip D1 by resistance R19, 32 pin, 33 pin, 34 pin and 35 pin are respectively by resistance R20, resistance R21, resistance R22, resistance R23 and resistance R24 is connected to 3 pin of interface XP1A, 4 pin of interface XP1B, 5 pin of interface XP1A, 6 pin of interface XP1B and 7 pin of interface XP1A, 37 pin of chip D1 meet power supply VCC and hold, the 38 pin ground connection of chip D1,39 pin of chip D1, 40 pin, 41 pin, 42 pin and 43 pin are respectively by resistance R25, resistance R26, resistance R27, resistance R28 and resistance R29 is connected to 8 pin of interface XP1B, 9 pin of interface XP1A, 10 pin of interface XP1B, 11 pin of interface XP1A and 12 pin of interface XP1B, 48 pin of chip D1 meet power supply VCC by resistance R30 and hold, 49 pin of chip D1, 64 pin, 77 pin and 88 pin ground connection respectively, 63 pin of chip D1, 75 pin, 89 pin and 100 pin meet power supply VCC respectively and hold, 95 pin of chip D1, 96 pin, 97 pin, 98 pin and 99 pin are respectively by resistance R38, resistance R37, resistance R36, resistance R35 and resistance R34 meets power supply VCC and holds.
3. a kind of microwave antenna phase-shift control circuit according to claim 2, it is characterized in that: download circuit adopts 17S05 storage chip D2,1 pin of storage chip D2 is connected to 72 pin of chip D1,2 pin are connected to 74 pin of chip D1,3 pin are connected to 36 pin of chip D1,4 pin are connected to 30 pin of chip D1,3 pin of storage chip D2 are connected with 8 pin of storage chip D2 and one end of 7 pin and electric capacity C31 by resistance R120 again, meet power supply VCC after connection to hold, the other end ground connection of electric capacity C31, the 5 pin ground connection of storage chip D2; One end of resistance R118 is connected to 47 pin of chip D1, the negative electrode of other end connecting luminous diode V14, the anode of light-emitting diode V14 is connected to power supply VCC and holds, be connected with 2 pin of connector XP3 by resistance R121 simultaneously, 2 pin of connector XP3 are connected to again 53 pin of chip D1, the 1 pin ground connection of connector XP3.
4. a kind of microwave antenna phase-shift control circuit according to claim 2, it is characterized in that: switching circuit and self-checking circuit adopt an inverter, two NPN field effect transistor and a PNP field effect transistor, 3 pin of inverter D3B connect 86 pin of chip D1, one end of the 4 pin contact resistance R56 of inverter D3B, one end of resistance R57, 1 pin of NPN field effect transistor V28, one end of resistance R58 and one end of resistance R59, the other end of resistance R56 connects 2 pin of NPN field effect transistor V30, meet power supply VCC behind one end of the 1 pin connection electric capacity C10 of NPN field effect transistor V30 to hold, the other end ground connection of electric capacity C10, the other end connecting pin of resistance R58 connects the negative electrode of diode V3, one end of resistance R53 and 57 pin of chip D1, the delivery outlet B2-3 be connected with outside is connected to after the anode of diode V3 is connected with the other end of resistance R53, the other end of resistance R59 connects the negative electrode of diode V4, one end of resistance R54 and 58 pin of chip D1, the delivery outlet B2-2 be connected with outside is connected to after the anode of diode V4 is connected with the other end of resistance R54, simultaneously the anode of the other end of resistance R54 and diode V3 is again respectively by resistance R60 and one end of resistance R62 contact resistance R55 and 3 pin of NPN field effect transistor V30, the other end of resistance R55 is connected to 59 pin of chip D1, the anode of diode V4 and the other end of resistance R53 are connected again 3 pin of PNP field effect transistor V29 with resistance R63 respectively by resistance R61, 1 pin of PNP field effect transistor V29 and one end of electric capacity C11, meet power supply VCC2 after the anode of diode V20 and one end of resistance R65 connect to hold, the other end ground connection of electric capacity C11, 1 pin of PNP field effect transistor V29 connects the negative electrode of diode V20, the other end of resistance R65, one end of electric capacity C12 and one end of resistance R64, the other end of electric capacity C12 is connected with the other end of resistance R57, the other end of resistance R64 connects 3 pin of NPN field effect transistor V28, the 2 pin ground connection of NPN field effect transistor V28.
5. a kind of microwave antenna phase-shift control circuit according to claim 2, it is characterized in that: the positive pole of the electrochemical capacitor C36 of power circuit and electric capacity C37, one end of electric capacity C30 and inductance L 1 connects, ground connection together with after the negative pole of electrochemical capacitor C36 connects with the other end of electric capacity C30 and one end of electric capacity C29 with the other end of electric capacity C37, the negative electrode of diode V15 and the negative electrode of diode V16 is connect after the other end of inductance L 1 is connected with the other end of electric capacity C29, the anode of diode V15 is connected to 19 pin of interface XP1A by fuse F3, the anode of diode V16 is connected to 39 pin of interface XP1A by fuse F4, the positive pole of electrochemical capacitor C28 is connected with one end of electric capacity C27, electric capacity C26, resistance R119 and inductance L 2, ground connection together with after one end of the negative pole of electrochemical capacitor C28 and the other end of the other end of electric capacity C27, electric capacity C26 and the other end of resistance R119 and electric capacity C25 connects, the negative electrode of diode V17 and the negative electrode of diode V18 is connect after the other end of inductance L 2 is connected with the other end of electric capacity C25, the anode of diode V17 is connected to 15 pin of interface XP1A by fuse F2, the anode of diode V18 is connected to 14 pin of interface XP1B by fuse F1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410794682.8A CN104466407A (en) | 2014-12-21 | 2014-12-21 | Microwave antenna phase-shifting control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410794682.8A CN104466407A (en) | 2014-12-21 | 2014-12-21 | Microwave antenna phase-shifting control circuit |
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| CN104466407A true CN104466407A (en) | 2015-03-25 |
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| CN201410794682.8A Pending CN104466407A (en) | 2014-12-21 | 2014-12-21 | Microwave antenna phase-shifting control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270979A (en) * | 2018-09-19 | 2019-01-25 | 西安电子工程研究所 | A method of reducing passive number phase shifter drives circuit drives power |
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| CN204375966U (en) * | 2014-12-21 | 2015-06-03 | 天津七六四通信导航技术有限公司 | Microwave antenna phase-shift control circuit |
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Patent Citations (4)
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| US7313164B1 (en) * | 2003-09-30 | 2007-12-25 | Wilson Michael L | Method and system for switching and detecting PN codes for fast acquisition of burst signal |
| CN102495565A (en) * | 2011-11-25 | 2012-06-13 | 中国电子科技集团公司第三十八研究所 | Phased array radar antenna beam control device |
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| CN109270979A (en) * | 2018-09-19 | 2019-01-25 | 西安电子工程研究所 | A method of reducing passive number phase shifter drives circuit drives power |
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Application publication date: 20150325 |