A kind of combination landing receiving device testerTechnical field
The utility model relates to a kind of airfield detection equipment, especially a kind of combination landing receiving device tester.
Background technique
It is to have the function of instrument landing system (ILS), microwave landing system (MLS) function that ZHJ-2020 type, which combines receiving device,The airborne equipment of energy, very high frequency(VHF) omnidirectional location (VOR) function, marker beacon function.It is mainly used for the navigation of aircraft and marches into the arenaLand guidance.
When equipment works in VOR mode, the signal that receiver receives, processing ground VOR platform emits passes through navigation instrumentAnd instrument, indicate orientation of the aircraft relative to earth station, to complete navigation feature, vector aircraft is marched into the arena；When equipment worksWhen MLS mode, the signal that receiver receives, processing ground MLS platform emits passes through navigation instrument and instrument, it is indicated that aircraft is inclinedFrom predetermined navigation channel and predetermined glidepath information, so that vector aircraft reaches visual runway threshold position by correct navigation channel track,Complete landing operation；When equipment works in ILS mode, the signal that receiver receives, processing ground ILS platform emits, by leadingNavigate Device and Meters, it is indicated that aircraft off-course road and glidepath information, so that vector aircraft is reached by correct navigation channel trackVisual runway threshold position, completes landing operation；Marker beacon provides navigation channel identification information for VOR operating mode, is ILS modeRange information of the aircraft along navigation channel away from runway threshold is provided；It is under various IFR conditions guarantee aircraft safety flight andOne of equipment of landing.
ZHJ-2020 type, which combines receiving device, has the output of ARINC429 data, input interface, can refer to the control of aircraftIt waves system, calculate the crosslinking of the equipment such as control centre, screen display, range measurement；There are also simulation output interfaces for it, can hand over aviation attitude systemConnection；Corresponding platform location identification signal and beacon audio and beacon ray light under various operating modes can be exported and control signal.
In the detection and maintenance maintenance of existing ZHJ-2020 combination landing receiving device, many equipment is needed to carry outDetection, operation and carrying are inconvenient, and detection efficiency is low.
Utility model content
The goal of the invention of the utility model is: in view of the above problems, providing a kind of combination landing receiving deviceTester meets the functional test of each section component for completing detection of the internal field to ZHJ-2020 combination landing receiving deviceIt is overhauled with troubleshooting.
The technical solution adopted in the utility model is as follows:
A kind of combination landing receiving device tester of the utility model, including industrial personal computer, functional cards and signal condition turnConnect case；The industrial personal computer is connect by bus with functional cards；The functional cards include ARINC429 board, MIL-1553BCommunication card, ARINC561 synchronizer module, A/D capture card, I/O capture card and relay board；The functional cards and letterNumber conditioning transfer box connection.
Preferably, combination landing receiving device tester, further includes microwave landing simulation signal generator and aviation electricitySub- equipment simulating signal generator；The microwave landing simulation signal generator, avionic device analog signal generator pointNot external combination landing receiving device.
The above structure, microwave landing simulation signal generator, avionic device analog signal generator are each for simulatingAntenna received signal.
Preferably, the functional cards further include RS232 module, RS232 module one end passes through internal bus and industrial personal computerConnection, the other end connect AT power supply, and AT power supply connects alternating current.
Preferably, the signal condition transfer box, analog signal and discrete magnitude for the receiver output that improves, transfersSignal comprising signal converting circuit board, signal conditioning circuit plate and synchronizer signal receiving circuit plate；Signal conditioning circuit plateIt is connect respectively with signal converting circuit board with synchronizer signal receiving circuit plate.
The above structure, the signal converting circuit board, classifies various types of signals, or be output to signal conditionCircuit board, or it is output to the interface of corresponding board；The signal conditioning circuit plate, for passing through various discrete magnitude signalsElectric resistance partial pressure, light-coupled isolation mode be converted into the Transistor-Transistor Logic level signal of standard, the detection card in industrial personal computer can be identified；InstituteSynchronizer signal receiving circuit plate is stated, for receiving three-wire system synchronization signal (magnetic azimuth and the voll opposite side of receiver sendingPosition), it is converted into digital quantity, then industrial personal computer is sent to by microcontroller serial port, data show angle value after treatment.
Preferably, the signal condition transfer box is also integrated to receive torque type synchronizer module, for receive course andVoll orientation angles signal.
Preferably, integrating ARINC429 board, MIL-1553B communication card, A/D capture card, I/O in the industrial personal computerChannel board and relay matrix card.
Preferably, the front panel of the industrial personal computer integrates liquid crystal display and key.
Preferably, combination landing receiving device tester, further includes external dual channel oscilloscope and desk-top multimeter.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are: with prior art phaseThan providing a kind of combination landing receiving device tester, integrated signal improves transfer box and multiple functions card, passes through signal conditionTransfer box improves the output signal of combination landing receiving device to be measured, by the processing of each function card and industrial personal computerProcessing, obtains test result；The parameters of combination landing receiving device can be tested, be quickly obtained test knotFruit；Tester design is concise, is easily portable, securely and reliably, easy to maintain using detecting.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for combining landing receiving device tester.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementationExample, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain thisUtility model is not used to limit the utility model.
As shown in Figure 1, the utility model combines landing receiving device tester, including industrial personal computer, functional cards and signalImprove transfer box；The industrial personal computer is connect by internal bus with functional cards；The functional cards and signal condition transfer box connectIt connects.
The functional cards include ARINC429 board, MIL-1553B communication card, ARINC561 synchronizer module, A/DCapture card, I/O capture card and relay board；Wherein A/D capture card preferably 16 12 channel A/D capture cards, I/O capture card is excellentSelect 32 channel I/O mouthfuls of capture cards；16 12 channel A/D capture cards, compared with traditional multiplexing type digital collection equipment, totality is adoptedSample rate index improves very much；32 channel I/O mouthfuls of capture cards can be used for the isolated simulation sum number of various signals and sensor typeWord input and output, while provide hot-swappable of I/O mouthfuls of capture cards and automatically configuring characteristic can be such that equipment is easily installedAnd maintenance.
In embodiment, the functional cards further include RS232 module, and RS232 module one end passes through internal bus and industry controlMachine connection, the other end connect AT power supply, and AT power supply connects alternating current.
In embodiment, landing receiving device tester is combined, further includes microwave landing simulation signal generator and aviationElectronic equipment analog signal generator；The microwave landing simulation signal generator, avionic device analog signal generatorIt is external respectively to be used to simulate each antenna received signal on combination landing receiving device；Microwave landing simulation signal generator is excellentSelect MLS-800, the preferred NAV-750C of avionic device analog signal generator.
In embodiment, signal condition transfer box, including signal converting circuit board, signal conditioning circuit plate and synchronizer letterNumber circuit board for receiving；The signal condition transfer box, analog signal and discrete magnitude letter for the receiver output that improves, transfersNumber；Signal conditioning circuit plate and synchronizer signal receiving circuit plate are connect with signal converting circuit board respectively.
In embodiment, the signal condition transfer box is also integrated receives torque type synchronizer module, for receiving courseWith voll orientation angles signal.
In embodiment, in the industrial personal computer integrate ARINC429 board, MIL-1553B communication card, A/D capture card,The channel I/O board and relay matrix card；ARINC429 board can provide meet ARINC429 specification 429 of 2 receipts 2 hairSignal has timed sending function and label filtering function, and rate 100K/S, 50K/S, 12.5K/S are settable；Every channel occursMaximum can support 256 words, word to be divided into 4bit between sending and receiving；Pci bus interface；MIL-1553B communication card is supported moreKind bus interface: PCI, cPCI/PXI, PC104/PC104+, PCMCIA, VXI, USB；The front panel of the industrial personal computer integrates liquidCrystal display and key.
In embodiment, landing receiving device tester is combined, further includes external dual channel oscilloscope and desk-top general-purposeTable, wherein it is preferred that TDS-1012 dual channel oscilloscope and the desk-top multimeter of 34401A.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at thisMade any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility modelProtection scope within.