CN206698228U - Very high frequency(VHF) transceiver hardware of automatic test system - Google Patents

Very high frequency(VHF) transceiver hardware of automatic test system Download PDF

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Publication number
CN206698228U
CN206698228U CN201720431718.5U CN201720431718U CN206698228U CN 206698228 U CN206698228 U CN 206698228U CN 201720431718 U CN201720431718 U CN 201720431718U CN 206698228 U CN206698228 U CN 206698228U
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China
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pxi
frequency
transceiver
vhf
arinc
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Expired - Fee Related
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CN201720431718.5U
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Chinese (zh)
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梁志韬
徐向民
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South China University of Technology SCUT
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South China University of Technology SCUT
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Abstract

Very high frequency(VHF) transceiver automatic test hardware system is the utility model is related to, including:PXI embedded controllers, realize the overall control of test hardware system;The boards of ARINC 429, the data of ARINC 429 that analysis sends or received in real time;Data collecting card, the supporting simulation low frequency signal analyzer comprising fast fourier transform algorithm;Numeral and vector signal generator, for producing the modulated signal of different characteristic to very high frequency(VHF) transceiver;Integrated wireless communication tester, input signal was both provided to very high frequency(VHF) transceiver or has analyzed the output signal of very high frequency(VHF) transceiver;Switch Resource, select for very high frequency(VHF) transceiver input/output signal and configure discrete pin status the utility model that the full-automatic fault test of very high frequency(VHF) transceiver can be realized, fault location, it is simple in construction, reduce testboard hardware cost, test manpower is saved, test errors rate is reduced, greatly improves testing efficiency.

Description

Very high frequency(VHF) transceiver hardware of automatic test system
Technical field
A kind of automatic test hardware system is the utility model is related to, specifically refers to a kind of failure of very high frequency(VHF) transceiver Automatic test hardware system.
Background technology
Important composition device of the very high frequency(VHF) transceiver as VHF communication system, it is to be used to communicate on the special vehicles Main devices, such as aircraft or steamer.Very high frequency(VHF) transceiver operational in frequency range 118.000MHz ~ 136.99167MHz, transmission, Transceiver provides stabilizied reference frequency with frequency synthesizer, then signal modulation to carrier wave is sent by antenna;During reception, connect After receipts machine receives signal from antenna, become audio signal by amplification, detection, noise elimination processing.The very high frequency(VHF) transceiver of genuine Fault test system complex for operation step and artificial judgment test result is needed, test accuracy rate and efficiency all need to be carried It is high.
Utility model content
It is automatic that technical problem to be solved in the utility model is to provide a kind of failure of efficient very high frequency(VHF) transceiver Change test hardware system.
In order to solve the above technical problems, the utility model is realized using following technical scheme.
Very high frequency(VHF) transceiver automatic test hardware system, it includes:
PXI embedded controllers, control very high frequency(VHF) transceiver to be measured, ARINC-429 boards, data collecting card, switch money Source, numeral and vector signal generator, integrated wireless communication tester complete fault test according to the flow of parameter testing;
ARINC-429 boards, it is connected with PXI embedded controllers, by PXI embedded controller controls, is received with very high frequency(VHF) Hair machine forms ARINC-429 data links, communicates;ARINC-429 boards are configured with ARINC-429 chains of command Plate, for analyzing the ARINC-429 data for sending or receiving in real time;
Data collecting card, it is connected with PXI embedded controllers, by PXI embedded controller controls, gathers and analyze and come from The low frequency signal of very high frequency(VHF) transceiver output;
Switch Resource, it is connected with PXI embedded controllers, by PXI embedded controller controls, for very high frequency(VHF) transceiver Input/output signal selects and configured discrete pin status;
Numeral and vector signal generator, are connected with PXI embedded controllers, by PXI embedded controller controls, are used for The modulated signal of different characteristic is produced to very high frequency(VHF) transceiver;
Integrated wireless communication tester, it is connected with PXI embedded controllers, by PXI embedded controller controls, Ji Nengti Output signal for input signal to very high frequency(VHF) transceiver and can analysis very high frequency(VHF) transceiver.
Further, described ARINC-429 boards are provided with PXI interfaces, pass through PXI cabinets and PXI embedded controllers It is connected.
Further, described data acquisition is arranged with PXI interfaces, passes through PXI cabinets and PXI embedded controller phases Even.
Further, described numeral and vector signal generator are provided with gpib interface, pass through the PXI- above PXI cabinets GPIB boards are connected to PXI embedded controllers.
Further, described integrated wireless communication tester is provided with gpib interface, passes through the PXI- above PXI cabinets GPIB boards are connected to PXI embedded controllers.
Further, described Switch Resource includes matrix switch board with, single-pole single-throw switch (SPST) board and hilted broadsword Commutator board, PXI interfaces are equipped with, are connected by PXI cabinets with PXI embedded controllers, by with ARINC- The receiver and adapter of 608A standards are by very high frequency(VHF) transceiver, numeral and vector signal generator to be measured and integrated wireless communication Tester connects.
Further, PXI embedded controllers are also connected by USB port with programmable DC power supply.
In the very high frequency(VHF) transceiver automatic test hardware system, PXI embedded controller controls programmable DC electricity Source powers for very high frequency(VHF) transceiver, controls radio communication comprehensive tester to provide input signal or analysis output letter for test Number, control numeral and vector signal generator export modulated signal to very high frequency(VHF) transceiver as its input signal, controlling switch Resource determines the discrete control pin status and selection access input signal of very high frequency(VHF) transceiver, is gathered by data collecting card The low frequency signal of very high frequency(VHF) transceiver output is simultaneously analyzed, and is interacted by ARINC-429 boards and very high frequency(VHF) transceiver Communication.
Compared with prior art, it is of the present utility model a little and beneficial effect is:
1) the utility model is simple in construction, easily builds and realizes.It is to be measured very high to be very easy to tester's debugging Frequency transceiver.
2) the utility model can carry out failure full-automatic testing simultaneously according to the testing process of standard to very high frequency(VHF) transceiver Test report is generated, tester's fault location is helped, test errors caused by reducing human factor, greatly improves Testing efficiency.
3) the utility model instead of oscillograph and spectrum analyzer using data acquisition card simulation low frequency signal analyzer, Reduce the cost of testboard hardware.
Brief description of the drawings
Fig. 1 is the principle composition block schematic illustration of hardware system in example;
Fig. 2 is a kind of workflow schematic diagram in example.
Embodiment
For the ease of it will be appreciated by those skilled in the art that entering to advance to the utility model below in conjunction with accompanying drawing and embodiment One step is described in detail, it is noted that of the present utility model is the technical scheme proposed to hardware configuration part, in following instance It is that product carries or those skilled in the art can refer to prior art and realize if being related to software or control program part.
As shown in figure 1, the very high frequency(VHF) transceiver automatic test hardware system represented by the utility model is embedded in including PXI It is formula controller, PXI cabinets, ARINC-429 boards, data collecting card, Switch Resource, numeral and vector signal generator, wireless Communication synthesis tester, programmable DC power supply.
Wherein PXI embedded controllers have PXI buses and USB interface, and automatic test hardware is provided with its system System, and have corresponding very high frequency(VHF) test transceiver script.By the PXI buses on PXI cabinets and ARINC-429 boards, The PXI equipment such as data collecting card, Switch Resource board, PXI-GPIB boards are connected, PXI-GPIB boards therein again with wirelessly Communication synthesis tester is connected with numeral with vector signal generator, USB interface connection programmable DC power supply.
Described radio communication comprehensive tester is provided with gpib interface, passes through PXI-GPIB boards and the embedded controls of PXI Device processed is connected, and signal input part is by Switch Resource access very high frequency(VHF) transceiver signal output end, and signal output part is by switch Resource accesses very high frequency(VHF) transceiver signal input.
Described numeral and vector signal generator are provided with gpib interface, pass through GPIB boards and PXI embedded controllers It is connected, signal output part provides input modulation for test and penetrated by the signal input part of Switch Resource access very high frequency(VHF) transceiver Frequency signal.
Described Switch Resource includes matrix switch board, single-pole single-throw(SPST(SPST,single-pole single- throw)Switch board and single-pole double throw(SPDT,single-pole double-throw)Board is switched, is connect provided with PXI Mouthful, it is joined directly together by PXI slots and PXI cabinets.
Described data acquisition is arranged with PXI interfaces, is directly connected by PXI slots with PXI cabinets, input is by opening Resource is closed with the output end of very high frequency(VHF) transceiver to be connected.
Described ARINC-429 boards are provided with PXI interfaces, are connected by PXI slots with PXI cabinets, input and output connect Enter Switch Resource.
The very high frequency(VHF) transceiver access Switch Resource to be measured, radio communication integration test is accessed by Switch Resource The test equipment such as instrument, numeral and vector signal generator, data collecting card and power supply.
Programmable DC power supply is connected by USB interface with PXI embedded controllers, PXI embedded controller controls its Output+27.5V or+18V DC voltages, very high frequency(VHF) transceiver to be measured is connected to by Switch Resource, for being used during test.
Integrated wireless communication tester has programmable features, passes through the PXI-GPIB plates on gpib interface and PXI cabinets Card connection, is finally connected with PXI embedded controllers, its generation different characteristic amplitude-modulated wave input of PXI embedded controller controls To very high frequency(VHF) transceiver input, and analyze the test indexs such as the sensitivity of very high frequency(VHF) transceiver output signal.
Numeral be connected with vector signal generator by gpib interface with the PXI-GPIB boards on PXI cabinets, finally with PXI embedded controllers are connected, and the D8PSK modulated signals tremendously high frequency of its generation different characteristic of PXI embedded controller controls is received Hair machine signal input part, complete the test of VDL MODE2 mode capabilities.
Data acquisition is arranged with PXI interfaces, is directly connected by PXI slots with PXI cabinets, embedding by PXI buses and PXI Enter formula controller to be connected.Example is only used as, PXI embedded controllers can call different parser functions, can be to very high The low frequency output signal of frequency transceiver carries out time domain or frequency-domain analysis, if being related to frequency-domain analysis, mainly passes through fast Fourier Become scaling method, time domain waveform is changed to frequency domain.Function for simulation numeral oscillograph and spectrum analyzer.
ARINC-429 boards(ARINC429 bus structures are simple in the prior art, stable performance, strong interference immunity.It is maximum Advantage be reliability height, this is due to decentralized control, transmission is reliable, mistake isolation is good.)Passage is received with 8 hairs 8, Directly it is connected by PXI slots with PXI cabinets, is connected by PXI buses with PXI embedded controllers, PXI embedded controllers ARINC-429 boards can be controlled to send the ARINC-429 formatted datas specified to instruct to very high frequency(VHF) transceiver to be measured or connect Receive and decode the ARINC-429 formatted datas from transceiver to be measured output, so as to complete the communication of digital link.In addition, PXI ARINC-429 data control panels are carried on embedded controller, the hair of display 88 receives the real-time ARINC-429 numbers of totally 16 passages According to the physical meaning that receiving channel is construed to easily understand according to standard, not exclusively showing burst of data, similarly, sendaisle The ARINC-429 data of specific meanings can also be sent, tester is very easy to and debugs High Frequency Transceiver to be measured.
Switch Resource includes one group of matrix switch board, multigroup single-pole single-throw switch (SPST) board and single-pole double-throw switch (SPDT) plate Card, provided with PXI interfaces, is directly connected with PXI cabinets by PXI slots, is connected by PXI buses with PXI embedded controllers, For connecting very high frequency(VHF) transceiver to be measured and tester equipment, play the selection of very high frequency(VHF) transceiver input/output signal and match somebody with somebody Put the effect of discrete pin status, so as to by input specific ARINC-429 instruction and specifically discrete pin configuration allow it is very high Receiver, transmitter parameter index test of the frequency transceiver operational under specific pattern, completion different mode.
Above-mentioned all test equipments, including ARINC-429 boards, data collecting card, Switch Resource, numeral and vector signal Generator, integrated wireless communication tester, programmable DC power supply, and very high frequency(VHF) transceiver to be measured be connected to according to On the receiver of ARINC-608A air standards design, then test equipment and very high frequency(VHF) transceiver are pressed by designing adapter Linked together according to the needs in test process.Output end such as programmable DC power supply is connected to single-pole single-throw(SPST by adapter Switch one of passage of board and then be then connected to the power input pin of very high frequency(VHF) transceiver, so as to pass through control The closure of single-pole single-throw switch (SPST) or disconnection choose whether to be powered very high frequency(VHF) transceiver.
When it is implemented, PXI embedded controllers can use any automatic test platform., can be real as a kind of example Existing following functions:
1) according to the testing process of very high frequency(VHF) transceiver standard, load automatic test script and control very high frequency(VHF) transceiver to be measured And test equipment(Including integrated wireless communication tester, numeral and vector signal generator, data collecting card, ARINC-429 plates Card, Switch Resource, programmable DC power supply)So that very high frequency(VHF) transceiver switches to different mode of operations, input is a variety of specific Signal and the output signal for analyzing transceiver, so as to complete failure automatic test.
2) according to the result of automation fault test, corresponding test report is generated.
Wherein PXI interfaces series board such as ARINC-429 boards, switch board, data acquisition card pass through dynamic link The encapsulation technology in storehouse provides unified calling interface and called for platform, remaining integrated wireless communication tester, numeral and vector Signal generator, programmable DC power supply are then to be programmed control by the SCPI orders of standard.
As a kind of application example, as shown in Fig. 2 automatic test platform is initialized when test starts, institute is loaded There is the driving of test equipment, test equipment is tested oneself by the test script that writes is carried.It is then introduced into all tests List of steps, list have contained the complete standard testing flow of very high frequency(VHF) transceiver in order, and each testing procedure wraps Containing different test scripts.Tester can select all testing procedures in fully automatic operation list in order as needed, Or some testing procedure items of selective operation.Test script controls test equipment in strict accordance with the step in standard testing flow Fault test is carried out to very high frequency(VHF) transceiver to be measured, and test result can be compared with expected standard value, is output to survey In examination report, very high frequency(VHF) transceiver abort situation is positioned for tester.

Claims (7)

1. very high frequency(VHF) transceiver automatic test hardware system, it is characterised in that including:
PXI embedded controllers, control very high frequency(VHF) transceiver to be measured, ARINC-429 boards, data collecting card, Switch Resource, number Word and vector signal generator, integrated wireless communication tester complete fault test according to the flow of parameter testing;
ARINC-429 boards, it is connected with PXI embedded controllers, by PXI embedded controller controls, with very high frequency(VHF) transceiver ARINC-429 data links are formed, are communicated;ARINC-429 boards are configured with ARINC-429 control panels, For analyzing the ARINC-429 data for sending or receiving in real time;
Data collecting card, it is connected with PXI embedded controllers, by PXI embedded controller controls, gathers and analyze from very high The low frequency signal of frequency transceiver output;
Switch Resource, it is connected with PXI embedded controllers, it is defeated for very high frequency(VHF) transceiver by PXI embedded controller controls Enter/output signal selection and configure discrete pin status;
Numeral and vector signal generator, are connected with PXI embedded controllers, by PXI embedded controller controls, for producing The modulated signal of different characteristic is to very high frequency(VHF) transceiver;
Integrated wireless communication tester, it is connected with PXI embedded controllers, by PXI embedded controller controls, can provides defeated Enter signal to the output signal of very high frequency(VHF) transceiver and can analysis very high frequency(VHF) transceiver.
2. very high frequency(VHF) transceiver automatic test hardware system according to claim 1, it is characterised in that:Described ARINC-429 boards are provided with PXI interfaces, are connected by PXI cabinets with PXI embedded controllers.
3. very high frequency(VHF) transceiver automatic test hardware system according to claim 1, it is characterised in that:Described data Capture card is provided with PXI interfaces, is connected by PXI cabinets with PXI embedded controllers.
4. very high frequency(VHF) transceiver automatic test hardware system according to claim 1, it is characterised in that:Described numeral Gpib interface is provided with vector signal generator, PXI embedded Controls are connected to by the PXI-GPIB boards above PXI cabinets Device.
5. very high frequency(VHF) transceiver automatic test hardware system according to claim 1, it is characterised in that:Described is wireless Communication synthesis tester is provided with gpib interface, and PXI embedded Controls are connected to by the PXI-GPIB boards above PXI cabinets Device.
6. very high frequency(VHF) transceiver automatic test hardware system according to claim 1, it is characterised in that:Described switch Resource includes a matrix switch board, single-pole single-throw switch (SPST) board and single-pole double-throw switch (SPDT) board, is equipped with PXI interfaces, leads to PXI cabinets are crossed with PXI embedded controllers to be connected, by the receiver with ARINC-608A standards and adapter by it is to be measured very High Frequency Transceiver, numeral and vector signal generator connect with integrated wireless communication tester.
7. very high frequency(VHF) transceiver automatic test hardware system according to claim 1, it is characterised in that:PXI is embedded Controller is also connected by USB port with programmable DC power supply.
CN201720431718.5U 2017-04-24 2017-04-24 Very high frequency(VHF) transceiver hardware of automatic test system Expired - Fee Related CN206698228U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109279048A (en) * 2018-11-20 2019-01-29 中航通飞华南飞机工业有限公司 A kind of engine and APU revolving speed and avionics system are crosslinked closed loop detection method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109279048A (en) * 2018-11-20 2019-01-29 中航通飞华南飞机工业有限公司 A kind of engine and APU revolving speed and avionics system are crosslinked closed loop detection method
CN109279048B (en) * 2018-11-20 2021-09-24 中航通飞华南飞机工业有限公司 Engine and APU (auxiliary Power Unit) rotating speed and avionics system cross-linking closed-loop detection method

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