CN208953956U - A kind of airborne Audio Controller tester - Google Patents
A kind of airborne Audio Controller tester Download PDFInfo
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- CN208953956U CN208953956U CN201821754602.6U CN201821754602U CN208953956U CN 208953956 U CN208953956 U CN 208953956U CN 201821754602 U CN201821754602 U CN 201821754602U CN 208953956 U CN208953956 U CN 208953956U
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Abstract
The utility model discloses a kind of airborne Audio Controller testers, including multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit, 28V power supply emulation module, adaptation unit and computer, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit and 28V power supply emulation module are separately connected adaptation unit, wherein adaptation unit connects multiple airborne Audio Controllers, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit and multichannel discrete magnitude analytical unit are connect by universal serial bus with computer.
Description
Technical field
The utility model belongs to audio signal analysis equipment technical field more particularly to a kind of airborne Audio Controller test
Instrument, the test suitable for a variety of airborne Audio Controllers.
Background technique
Airborne Audio Controller tester be a kind of amplitude for testing airborne Audio Controller audio signal, frequency,
The important equipment of the parameters such as distortion, signal-to-noise ratio, channel isolation, cross-talk inhibition, acoustic frequency response, load characteristic.
Current airborne Audio Controller tester is surveyed constantly to intelligent, integrated direction development for each class audio frequency
The performance test for airborne audio frequency apparatus of examination equipment has all had mature development.But for used in testing audio equipment
Measuring technology is still comparatively laborious, and limitation is compared in test equipment application, brings problem in detail below:
1) test equipment does not have TPS and electronic process chart, is not able to satisfy a variety of testing requirements；
2) the input/output interface impedance of equipment is fixed, and cannot be changed according to the interface impedance of measurand and is configured；
3) test interface can not be connected without adaptation unit in test object upgrading or interface variation, or need the company of change
Connect cable.
Therefore research and develop a kind of tester suitable for a variety of airborne Audio Controllers has market prospects very much.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of airborne Audio Controller test
Instrument, overcoming test equipment in the prior art does not have TPS and electronic process chart, and the input/output interface impedance of equipment is solid
Calmly, the problems such as test interface is without adaptation unit.
In order to solve technical problem, the technical solution of the utility model is: a kind of airborne Audio Controller tester, including
Multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, the analysis of multichannel discrete magnitude are single
Member, 28V power supply emulation module, adaptation unit and computer, the multi-channel audio simulation unit, multi-channel sound frequency analysis list
It is single that member, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit and 28V power supply emulation module are separately connected adaptation
Member, wherein adaptation unit connects multiple airborne Audio Controllers, the multi-channel audio simulation unit, multi-channel sound frequency analysis list
Member, multichannel discrete magnitude simulation unit and multichannel discrete magnitude analytical unit are connect by universal serial bus with computer.
Preferably, the multi-channel audio simulation unit exports audio signal to adaptation unit, and the multichannel is discrete
Amount simulation unit exports discrete magnitude signal to adaptation unit, and audio signal is exported and gives multi-channel sound frequency division by the adaptation unit
Unit is analysed, the adaptation unit, which exports discrete magnitude signal, gives multichannel discrete magnitude analytical unit, the 28V power supply emulation module
Power supply is provided for multiple airborne Audio Controllers by adaptation unit, the computer is equipped with display, and wherein display is used for
Show multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit and multichannel discrete magnitude
The current state of analytical unit.
Preferably, the multi-channel audio simulation unit includes the first power module and audio emulation module, wherein first
Power module connects audio emulation module, and the audio emulation module includes emulation radio station audio-frequency module, emulation microphone audio mould
Block and emulation sonar audio module, the emulation radio station audio-frequency module are equipped with analog radio output interface, wherein emulation microphone sound
Frequency module is equipped with simulation microphone output interface, wherein emulation sonar audio module is equipped with simulation sonar output interface, the emulation
Radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar audio module export give adaptation unit audio signal respectively, institute
State multi-channel audio simulation unit can emulate sine wave, single-tone, white noise, burr, white noise+burr, sine wave+white noise,
Sine wave+burr audio, can also emulate radio station, microphone, sonar, ADF, DME, VOR equipment output audio signal, be airborne sound
Frequency controller test provides stable audio signal input.
Preferably, emulation radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar audio module include
Processor, driving circuit, relay, signal generating circuit, bandwidth-limited circuit, audio amplifier circuit, power amplification circuit, resistance
Anti- network and output transformer, wherein signal generating circuit includes FPGA control circuit and D/A conversion circuit, the processor
Input terminal connects computer, and wherein the output end of processor is separately connected driving circuit and FPGA control circuit, the driving electricity
The output end on road connects relay, and wherein the output end of relay is separately connected impedance network and output transformer, the FPGA
The output end of control circuit connects D/A conversion circuit, and wherein the output end of D/A conversion circuit connects bandwidth-limited circuit, described
The output end of bandwidth-limited circuit connects audio amplifier circuit, wherein the output end connection power amplification electricity of audio amplifier circuit
The output end on road, the power amplification circuit connects impedance network, wherein the output end connection output transformer of impedance network, institute
State the output transformer connection analog radio output interface of emulation radio station audio-frequency module, the output of the emulation microphone audio-frequency module
Transformer connects simulation microphone output interface, and the output transformer connection simulation sonar output of the emulation sonar audio module connects
Mouthful.
Preferably, the multi-channel audio analytical unit includes second power supply module and radio station, earpiece audio analysis module,
Wherein second power supply module connects radio station, earpiece audio analysis module, and the radio station, earpiece audio analysis module include that signal is adopted
The input terminal of collector and impedance matching circuit, the impedance matching circuit is defeated by analog radio input interface or simulation earphone
Incoming interface connects adaptation unit, wherein the output end connection signal Acquisition Circuit of impedance matching circuit, the signal acquisition circuit
Output end connect computer.
Preferably, the multichannel discrete magnitude simulation unit includes third power module, discrete magnitude emulation module and signal
Amplification board, wherein third power module is separately connected discrete magnitude emulation module and signal amplification board, the discrete magnitude emulation module
Input terminal connect computer, wherein the output end of discrete magnitude emulation module is separately connected signal amplification board and adaptation unit, institute
The output end connection adaptation unit of signal amplification board is stated, the level of the discrete magnitude signal needed for airborne Audio Controller is not more than
When 10V, airborne Audio Controller voltage signal can be directly fed；The level of the discrete magnitude signal needed for airborne Audio Controller is big
When 10V, analog quantity is amplified to by required voltage value by signal amplification board.
Preferably, the multichannel discrete magnitude analytical unit includes the 4th power module and discrete magnitude analysis module, wherein
4th power module connects discrete magnitude analysis module, and the input terminal of the discrete magnitude analysis module connects adaptation unit, wherein from
The output end for dissipating amount analysis module connects computer.
Compared with the existing technology, utility model has the advantages that
(1) the utility model has wide range of applications, and can send different types of signal by emulation plurality of devices and meet sound
The test request of frequency equipment, and all kinds of audio signal parameters indexs can be tested automatically, required test item can be designed as TPS and
Process chart, is automatically performed the test of audio frequency apparatus performance indexes, and institute's measured data generates report in digital form；
(2) the exportable sine wave of multi-channel audio simulation unit, the list of the airborne Audio Controller tester of the utility model
A variety of audio signals such as sound, white noise, burr, white noise+burr, sine wave+white noise, sine wave+burr, can emulate electricity
The audio signal of the plurality of devices such as platform, microphone, sonar, ADF, DME, VOR output sends emulation letter to airborne Audio Controller
Number；Multi-channel audio analytical unit can analyze the audio signal for being input to radio station, earphone, sound pick-up outfit etc.；Wherein multichannel
Audio simulation unit and the optional a variety of impedance interfaces of multi-channel audio analytical unit include common audio frequency apparatus, meet substantially
The test request of audio frequency apparatus；The airborne Audio Controller tester can amplify by discrete magnitude emulation module and by signal
Plate realizes the emulation of PTT signal, simulates the earth signal of aircraft and the level value of 27V signal according to the actual conditions of aircraft；
(3) the airborne Audio Controller tester of the utility model has self-checking function, can carry out function and performance to itself
Indexs measure；Airborne Audio Controller tester provides the test technology card and testing process of electronization for tester,
The requirement to tester's ability is reduced, full-automatic or semi-automatic test is realized according to test item, it is automatic raw after the completion of test
At test report, foundation is provided for accident analysis, the function and performance indicator of many types of Audio Controller can be tested, cost performance is more
Height, practicability are stronger；
(4) the airborne Audio Controller tester of the utility model can be by the airborne Audio Controller of process control come detection machine
Carry the bases such as amplitude, frequency, distortion, signal-to-noise ratio, channel isolation, cross-talk inhibition, acoustic frequency response, the load characteristic of Audio Controller
This indication information, and influence of the frequency to airborne Audio Controller can be detected, detected noise signal is to airborne Audio Controller
It influences, detects the information such as the load characteristic of airborne Audio Controller.
Detailed description of the invention
The whole composition block diagram of Fig. 1, the utility model；
The composition block diagram of Fig. 2, the utility model multi-channel audio simulation unit；
Fig. 3, the utility model emulation radio station audio-frequency module, emulation microphone audio-frequency module or the group for emulating sonar audio module
At block diagram；
The composition block diagram of Fig. 4, the utility model multi-channel audio analytical unit；
The composition block diagram of Fig. 5, the utility model multichannel discrete magnitude simulation unit；
The composition block diagram of Fig. 6, the utility model multichannel discrete magnitude analytical unit.
Specific embodiment
Specific embodiment of the present invention is described with reference to the accompanying drawings and embodiments:
It should be noted that structure, ratio, the size etc. illustrated in this specification institute attached drawing, only to cooperate explanation
The revealed content of book is not intended to limit the utility model enforceable so that those skilled in the art understands and reads
Qualifications, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated not influencing the utility model
The effect of and the purpose that can reach under, should all still fall in the range of the revealed technology contents of the utility model can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also
Only being illustrated convenient for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified,
Under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Embodiment 1
As shown in Fig. 1 ~ 6, the utility model discloses a kind of airborne Audio Controller tester, including multi-channel audio are imitative
True unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit, 28V power supply are imitative
True module, adaptation unit and computer, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel are discrete
Amount simulation unit, multichannel discrete magnitude analytical unit and 28V power supply emulation module are separately connected adaptation unit, wherein adaptation unit
Connect multiple airborne Audio Controllers, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude
Simulation unit and multichannel discrete magnitude analytical unit are connect by universal serial bus with computer.
Embodiment 2
As shown in Fig. 1 ~ 6, the utility model discloses a kind of airborne Audio Controller tester, including multi-channel audio are imitative
True unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit, 28V power supply are imitative
True module, adaptation unit and computer, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel are discrete
Amount simulation unit, multichannel discrete magnitude analytical unit and 28V power supply emulation module are separately connected adaptation unit, wherein adaptation unit
Connect multiple airborne Audio Controllers, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude
Simulation unit and multichannel discrete magnitude analytical unit are connect by universal serial bus with computer.
As shown in Fig. 1 ~ 6, it is preferred that the multi-channel audio simulation unit exports audio signal to adaptation unit, institute
Multichannel discrete magnitude simulation unit is stated to export discrete magnitude signal to adaptation unit, the adaptation unit by audio signal export to
Discrete magnitude signal is exported and gives multichannel discrete magnitude analytical unit, the 28V by multi-channel audio analytical unit, the adaptation unit
Power supply emulation module provides power supply by adaptation unit for multiple airborne Audio Controllers, and the computer is equipped with display,
Middle display for show multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit and
The current state of multichannel discrete magnitude analytical unit.
Embodiment 3
As shown in Fig. 1 ~ 6, the utility model discloses a kind of airborne Audio Controller tester, including multi-channel audio are imitative
True unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit, 28V power supply are imitative
True module, adaptation unit and computer, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel are discrete
Amount simulation unit, multichannel discrete magnitude analytical unit and 28V power supply emulation module are separately connected adaptation unit, wherein adaptation unit
Connect multiple airborne Audio Controllers, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude
Simulation unit and multichannel discrete magnitude analytical unit are connect by universal serial bus with computer.
As shown in Fig. 1 ~ 6, it is preferred that the multi-channel audio simulation unit exports audio signal to adaptation unit, institute
Multichannel discrete magnitude simulation unit is stated to export discrete magnitude signal to adaptation unit, the adaptation unit by audio signal export to
Discrete magnitude signal is exported and gives multichannel discrete magnitude analytical unit, the 28V by multi-channel audio analytical unit, the adaptation unit
Power supply emulation module provides power supply by adaptation unit for multiple airborne Audio Controllers, and the computer is equipped with display,
Middle display for show multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit and
The current state of multichannel discrete magnitude analytical unit.
As shown in Figure 1 and 2, it is preferred that the multi-channel audio simulation unit includes that the first power module and audio emulate mould
Block, wherein the first power module connects audio emulation module, the audio emulation module includes emulation radio station audio-frequency module, emulation
Microphone audio-frequency module and emulation sonar audio module, the emulation radio station audio-frequency module are equipped with analog radio output interface, wherein
It emulates microphone audio-frequency module and is equipped with simulation microphone output interface, connect wherein emulation sonar audio module is equipped with simulation sonar output
Mouthful, emulation radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar audio module are exported respectively to adaptation unit
Audio signal, the multi-channel audio simulation unit can emulate sine wave, single-tone, white noise, burr, white noise+burr, sine
Wave+white noise, sine wave+burr audio, can also emulate radio station, microphone, sonar, ADF, DME, VOR equipment output audio letter
Number, stable audio signal input is provided for the test of airborne Audio Controller.
As shown in Fig. 1 ~ 3, it is preferred that emulation radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar sound
Frequency module includes processor, driving circuit, relay, signal generating circuit, bandwidth-limited circuit, audio amplifier circuit, function
Rate amplifying circuit, impedance network and output transformer, wherein signal generating circuit includes FPGA control circuit and D/A conversion electricity
The input terminal on road, the processor connects computer, and wherein the output end of processor is separately connected driving circuit and FPGA control
The output end of circuit, the driving circuit connects relay, and wherein the output end of relay is separately connected impedance network and output
The output end of transformer, the FPGA control circuit connects D/A conversion circuit, wherein the output end connecting band of D/A conversion circuit
The output end of bandpass filter circuit, the bandwidth-limited circuit connects audio amplifier circuit, wherein the output end of audio amplifier circuit
Power amplification circuit is connected, the output end of the power amplification circuit connects impedance network, and wherein the output end of impedance network connects
Output transformer is connect, the output transformer of the emulation radio station audio-frequency module connects analog radio output interface, the emulation words
The output transformer of cylinder audio-frequency module connects simulation microphone output interface, and the output transformer of the emulation sonar audio module connects
Connect simulation sonar output interface.
Embodiment 4
As shown in Fig. 1 ~ 6, the utility model discloses a kind of airborne Audio Controller tester, including multi-channel audio are imitative
True unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit, 28V power supply are imitative
True module, adaptation unit and computer, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel are discrete
Amount simulation unit, multichannel discrete magnitude analytical unit and 28V power supply emulation module are separately connected adaptation unit, wherein adaptation unit
Connect multiple airborne Audio Controllers, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude
Simulation unit and multichannel discrete magnitude analytical unit are connect by universal serial bus with computer.
As shown in Fig. 1 ~ 6, it is preferred that the multi-channel audio simulation unit exports audio signal to adaptation unit, institute
Multichannel discrete magnitude simulation unit is stated to export discrete magnitude signal to adaptation unit, the adaptation unit by audio signal export to
Discrete magnitude signal is exported and gives multichannel discrete magnitude analytical unit, the 28V by multi-channel audio analytical unit, the adaptation unit
Power supply emulation module provides power supply by adaptation unit for multiple airborne Audio Controllers, and the computer is equipped with display,
Middle display for show multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit and
The current state of multichannel discrete magnitude analytical unit.
As shown in Figure 1 and 2, it is preferred that the multi-channel audio simulation unit includes that the first power module and audio emulate mould
Block, wherein the first power module connects audio emulation module, the audio emulation module includes emulation radio station audio-frequency module, emulation
Microphone audio-frequency module and emulation sonar audio module, the emulation radio station audio-frequency module are equipped with analog radio output interface, wherein
It emulates microphone audio-frequency module and is equipped with simulation microphone output interface, connect wherein emulation sonar audio module is equipped with simulation sonar output
Mouthful, emulation radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar audio module are exported respectively to adaptation unit
Audio signal, the multi-channel audio simulation unit can emulate sine wave, single-tone, white noise, burr, white noise+burr, sine
Wave+white noise, sine wave+burr audio, can also emulate radio station, microphone, sonar, ADF, DME, VOR equipment output audio letter
Number, stable audio signal input is provided for the test of airborne Audio Controller.
As shown in Fig. 1 ~ 3, it is preferred that emulation radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar sound
Frequency module includes processor, driving circuit, relay, signal generating circuit, bandwidth-limited circuit, audio amplifier circuit, function
Rate amplifying circuit, impedance network and output transformer, wherein signal generating circuit includes FPGA control circuit and D/A conversion electricity
The input terminal on road, the processor connects computer, and wherein the output end of processor is separately connected driving circuit and FPGA control
The output end of circuit, the driving circuit connects relay, and wherein the output end of relay is separately connected impedance network and output
The output end of transformer, the FPGA control circuit connects D/A conversion circuit, wherein the output end connecting band of D/A conversion circuit
The output end of bandpass filter circuit, the bandwidth-limited circuit connects audio amplifier circuit, wherein the output end of audio amplifier circuit
Power amplification circuit is connected, the output end of the power amplification circuit connects impedance network, and wherein the output end of impedance network connects
Output transformer is connect, the output transformer of the emulation radio station audio-frequency module connects analog radio output interface, the emulation words
The output transformer of cylinder audio-frequency module connects simulation microphone output interface, and the output transformer of the emulation sonar audio module connects
Connect simulation sonar output interface.
As shown in Fig. 1,4, it is preferred that the multi-channel audio analytical unit includes second power supply module and radio station, earphone
Audio analysis module, wherein second power supply module connects radio station, earpiece audio analysis module, the radio station, earpiece audio analysis
Module includes signal acquisition circuit and impedance matching circuit, and the input terminal of the impedance matching circuit is connect by analog radio input
Mouth or simulation earphone input interface connect adaptation unit, wherein the output end connection signal Acquisition Circuit of impedance matching circuit, institute
State the output end connection computer of signal acquisition circuit.
Embodiment 5
As shown in Fig. 1 ~ 6, the utility model discloses a kind of airborne Audio Controller tester, including multi-channel audio are imitative
True unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit, 28V power supply are imitative
True module, adaptation unit and computer, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel are discrete
Amount simulation unit, multichannel discrete magnitude analytical unit and 28V power supply emulation module are separately connected adaptation unit, wherein adaptation unit
Connect multiple airborne Audio Controllers, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude
Simulation unit and multichannel discrete magnitude analytical unit are connect by universal serial bus with computer.
As shown in Fig. 1 ~ 6, it is preferred that the multi-channel audio simulation unit exports audio signal to adaptation unit, institute
Multichannel discrete magnitude simulation unit is stated to export discrete magnitude signal to adaptation unit, the adaptation unit by audio signal export to
Discrete magnitude signal is exported and gives multichannel discrete magnitude analytical unit, the 28V by multi-channel audio analytical unit, the adaptation unit
Power supply emulation module provides power supply by adaptation unit for multiple airborne Audio Controllers, and the computer is equipped with display,
Middle display for show multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit and
The current state of multichannel discrete magnitude analytical unit.
As shown in Figure 1 and 2, it is preferred that the multi-channel audio simulation unit includes that the first power module and audio emulate mould
Block, wherein the first power module connects audio emulation module, the audio emulation module includes emulation radio station audio-frequency module, emulation
Microphone audio-frequency module and emulation sonar audio module, the emulation radio station audio-frequency module are equipped with analog radio output interface, wherein
It emulates microphone audio-frequency module and is equipped with simulation microphone output interface, connect wherein emulation sonar audio module is equipped with simulation sonar output
Mouthful, emulation radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar audio module are exported respectively to adaptation unit
Audio signal, the multi-channel audio simulation unit can emulate sine wave, single-tone, white noise, burr, white noise+burr, sine
Wave+white noise, sine wave+burr audio, can also emulate radio station, microphone, sonar, ADF, DME, VOR equipment output audio letter
Number, stable audio signal input is provided for the test of airborne Audio Controller.
As shown in Fig. 1 ~ 3, it is preferred that emulation radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar sound
Frequency module includes processor, driving circuit, relay, signal generating circuit, bandwidth-limited circuit, audio amplifier circuit, function
Rate amplifying circuit, impedance network and output transformer, wherein signal generating circuit includes FPGA control circuit and D/A conversion electricity
The input terminal on road, the processor connects computer, and wherein the output end of processor is separately connected driving circuit and FPGA control
The output end of circuit, the driving circuit connects relay, and wherein the output end of relay is separately connected impedance network and output
The output end of transformer, the FPGA control circuit connects D/A conversion circuit, wherein the output end connecting band of D/A conversion circuit
The output end of bandpass filter circuit, the bandwidth-limited circuit connects audio amplifier circuit, wherein the output end of audio amplifier circuit
Power amplification circuit is connected, the output end of the power amplification circuit connects impedance network, and wherein the output end of impedance network connects
Output transformer is connect, the output transformer of the emulation radio station audio-frequency module connects analog radio output interface, the emulation words
The output transformer of cylinder audio-frequency module connects simulation microphone output interface, and the output transformer of the emulation sonar audio module connects
Connect simulation sonar output interface.
As shown in Fig. 1,4, it is preferred that the multi-channel audio analytical unit includes second power supply module and radio station, earphone
Audio analysis module, wherein second power supply module connects radio station, earpiece audio analysis module, the radio station, earpiece audio analysis
Module includes signal acquisition circuit and impedance matching circuit, and the input terminal of the impedance matching circuit is connect by analog radio input
Mouth or simulation earphone input interface connect adaptation unit, wherein the output end connection signal Acquisition Circuit of impedance matching circuit, institute
State the output end connection computer of signal acquisition circuit.
As shown in Figure 1,5, it is preferred that the multichannel discrete magnitude simulation unit includes that third power module, discrete magnitude are imitative
True module and signal amplification board, wherein third power module is separately connected discrete magnitude emulation module and signal amplification board, it is described from
Dissipate amount emulation module input terminal connect computer, wherein the output end of discrete magnitude emulation module be separately connected signal amplification board and
The output end of adaptation unit, the signal amplification board connects adaptation unit, the discrete magnitude signal needed for airborne Audio Controller
When level is not more than 10V, airborne Audio Controller voltage signal can be directly fed；The letter of the discrete magnitude needed for airborne Audio Controller
Number level be greater than 10V when, analog quantity is amplified to by required voltage value by signal amplification board.
As a shown in Figure 6, it is preferred that the multichannel discrete magnitude analytical unit includes the 4th power module and discrete magnitude point
Module is analysed, wherein the 4th power module connects discrete magnitude analysis module, the input terminal of the discrete magnitude analysis module connects adaptation
Unit, wherein the output end of discrete magnitude analysis module connects computer.
Process chart refers in a certain index of the airborne Audio Controller of test, can give its corresponding multiple channel analogy
Signal, these signals need to send in a certain order, by these step editings at fixed test module, are convenient for certain
The test of item index, because needing to test many index, so multiple process charts are arranged according to required test index sequence
Sequence combination, completes the design of entire test item, i.e. TPS, and in test, carrying out test according to TPS mono- one can be complete
At required index test.
The multi-channel audio analytical unit can analyze the audio signal for being input to radio station, earphone, sound pick-up outfit etc., if
There are the audio input interfaces such as analog radio input interface, simulation earphone input interface, the letter of input object output can be analyzed
Number content and the letter such as parse amplitude, frequency, distortion, signal-to-noise ratio, channel isolation, cross-talk inhibition, acoustic frequency response, load characteristic
Breath；The audio signal received is acquired by impedance matching circuit and signal acquisition circuit, is passed in computer after analysis
It is shown and is saved.
The multichannel discrete magnitude simulation unit realizes PTT signal by discrete magnitude emulation module and signal amplification board
Emulation can emulate the earth signal of aircraft and the level value of 27V signal according to the actual conditions of aircraft；The multichannel discrete magnitude point
Unit is analysed, the size of PTT signal can be acquired.
The emulation radio station, microphone and sonar audio-frequency module mainly pass through computer and send commands to processor, on the one hand
Processor forwards the data to FPGA control circuit by DMA, is imitated by FPGA control circuit internal algorithm control D/A conversion circuit
The signal really needed is adjusted by bandwidth-limited circuit, audio amplifier circuit, power amplification circuit, in conjunction in impedance network
The size of impedance, by output transformer export needed for analogue audio signal, by this method realize sine wave, single-tone, white noise,
The emulation of a variety of audio signals such as burr, white noise+burr, sine wave+white noise, sine wave+burr and radio station, microphone,
The simulation of the audio output signal of the plurality of devices such as sonar, ADF, DME, VOR；Another aspect processor is controlled by driving circuit
Relay come realize impedance switch.
The multichannel discrete magnitude analytical unit includes power module, discrete magnitude analysis module, and discrete magnitude analysis module is adopted
Collect airborne Audio Controller level signal to parse and be sent to computer.
The working principle and application method of the utility model are as follows:
The adaptation unit receives the signal of all simulation units, is supplied to multiple airborne Audio Controllers, and institute is organic
It carries the signal that Audio Controller issues to be acquired and parsed by adaptation unit feeding analytical unit, and all parsing data is existed
It shows, save on computer；The tester provides a variety of TCH test channels for airborne Audio Controller, and each channel parameters can pass through
Program is configured, and in the case where not changing system connection relationship, changes the systems such as input/output impedance automatically by program
Test parameter, to adapt to the test request of different airborne Audio Controllers.
The utility model realizes airborne audio frequency control by multi-channel audio simulation unit and multi-channel audio analytical unit
The acquisition of device audio signal, the functions such as impedance matching；It is single by multichannel discrete magnitude simulation unit and the analysis of multichannel discrete magnitude
Member provides the function of PTT signal for airborne Audio Controller；It is by bus that multi-channel audio analytical unit and multichannel is discrete
Amount analytical unit collects data and is transferred to computer, and computer will collect data and reach upper computer software progress data solution
Analysis, while the control by the configuration realization of upper computer software to multi-channel audio simulation unit, multichannel discrete magnitude simulation unit
The configuration of system and impedance parameter, attenuation parameter, and in the analysis result of each parameter index of interface display.
Traditional airborne Audio Controller tester is merely able to test the airborne Audio Controller of certain model, airborne audio
The range of controller is restricted significantly.Airborne Audio Controller tester provided by the utility model is imitative by multi-channel audio
True unit can emulate a variety of audio frequency apparatuses, and issue different types of signal；Multi-channel audio analytical unit can be analyzed more
The signal that kind audio frequency apparatus issues；Multi-channel audio simulation unit and multi-channel audio analytical unit contain there are many impedance variety,
In the case where not changing system connection relationship, change the system testings parameter such as input/output impedance automatically by program, it can
Switch impedance variety by relay and meet condition needed for system testing, improves utilization rate of equipment and installations and test scope.
The airborne Audio Controller tester of the utility model can analogue audio signal and noise signal, pass through emulation survey
Amount signal and the airborne Audio Controller of audio signal supply for being superimposed different noises, are making an uproar for measuring airborne Audio Controller
Service performance in the case of sound；It is able to detect working condition of the airborne Audio Controller in different output impedances, is detected
The load characteristic of airborne Audio Controller；The audio signal that different frequency can be emulated detects airborne Audio Controller in difference
Working performance under frequency signal.
PTT signal needed for the airborne Audio Controller tester of the utility model can emulate airborne Audio Controller, simultaneously
Level signal needed for aircraft being emulated according to aircraft actual conditions.
The airborne Audio Controller tester of the utility model has self-checking function, by being checked equipment itself come really
Recognize itself function and whether performance indicator is normal, the self-test of voice-grade channel is by multi-channel audio simulation unit and multi-channel audio
Analytical unit is connected with each other completion by self-test cable, is emulated by the audio that the simulation of multiple audio output simulation cards is sent
Signal completes the process of self-test of voice-grade channel in the acquisition and analysis for carrying out signal by multiple audio collection boards；It is discrete logical
The self-test in road is to be connected with each other to complete by self-test cable by the discrete simulation unit of multichannel and multichannel discrete analysis unit,
The discrete signal sent by multichannel discrete magnitude output board card carries out the acquisition of signal by multichannel discrete magnitude analog input card
With analysis, the process of self-test in discrete magnitude channel is completed.
The airborne Audio Controller tester of the utility model can change system airborne sound during the test by program
The data parameters of emulation signal needed for frequency controller, the test technology card and test that electronization can be provided for tester flow
Journey reduces the requirement to tester's ability, realizes full-automatic or semi-automatic test according to test item, automatic after the completion of test
Test report is generated, provides foundation for accident analysis.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to
Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
It is made a variety of changes under the premise of objective.
Many other changes and modifications may be made without departing from the spirit and scope of the utility model.It should be appreciated that this reality
It is not limited to specific embodiment with novel, the scope of the utility model is defined by the following claims.
Claims (7)
1. a kind of airborne Audio Controller tester, it is characterised in that: including multi-channel audio simulation unit, multi-channel sound frequency division
Analyse unit, multichannel discrete magnitude simulation unit, multichannel discrete magnitude analytical unit, 28V power supply emulation module, adaptation unit and meter
Calculation machine, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit, multichannel from
It dissipates amount analytical unit and 28V power supply emulation module is separately connected adaptation unit, wherein adaptation unit connects multiple airborne audio controls
Device processed, the multi-channel audio simulation unit, multi-channel audio analytical unit, multichannel discrete magnitude simulation unit and multichannel from
Amount analytical unit is dissipated to connect by universal serial bus with computer.
2. a kind of airborne Audio Controller tester according to claim 1, it is characterised in that: the multi-channel audio is imitative
True unit exports audio signal to adaptation unit, and the multichannel discrete magnitude simulation unit exports discrete magnitude signal to adaptation
Unit, the adaptation unit, which exports audio signal, gives multi-channel audio analytical unit, and the adaptation unit is by discrete magnitude signal
It exports and gives multichannel discrete magnitude analytical unit, the 28V power supply emulation module is multiple airborne audio frequency controls by adaptation unit
Device provides power supply, and the computer is equipped with display, and wherein display is for showing multi-channel audio simulation unit, multi-channel sound
The current state of frequency analysis unit, multichannel discrete magnitude simulation unit and multichannel discrete magnitude analytical unit.
3. a kind of airborne Audio Controller tester according to claim 2, it is characterised in that: the multi-channel audio is imitative
True unit includes the first power module and audio emulation module, wherein the first power module connects audio emulation module, the sound
Frequency emulation module includes emulation radio station audio-frequency module, emulation microphone audio-frequency module and emulation sonar audio module, the emulation electricity
Platform audio-frequency module is equipped with analog radio output interface, wherein emulation microphone audio-frequency module is equipped with simulation microphone output interface, wherein
Emulate sonar audio module be equipped with simulation sonar output interface, emulation radio station audio-frequency module, emulate microphone audio-frequency module and
Emulation sonar audio module exports respectively gives adaptation unit audio signal, and the multi-channel audio simulation unit can emulate sine
Wave, single-tone, white noise, burr, white noise+burr, sine wave+white noise, sine wave+burr audio can also emulate radio station, words
The audio signal that cylinder, sonar, ADF, DME, VOR equipment export provides stable audio signal for the test of airborne Audio Controller
Input.
4. a kind of airborne Audio Controller tester according to claim 3, it is characterised in that: emulation radio station audio
Module, emulation microphone audio-frequency module and emulation sonar audio module include processor, driving circuit, relay, signal generation
Circuit, bandwidth-limited circuit, audio amplifier circuit, power amplification circuit, impedance network and output transformer, wherein signal generates
Circuit includes FPGA control circuit and D/A conversion circuit, and the input terminal of the processor connects computer, and wherein processor is defeated
Outlet is separately connected driving circuit and FPGA control circuit, and the output end of the driving circuit connects relay, wherein relay
Output end be separately connected impedance network and output transformer, the output end of the FPGA control circuit connects D/A conversion circuit,
Wherein the output end of D/A conversion circuit connects bandwidth-limited circuit, the output end connection audio amplification of the bandwidth-limited circuit
Circuit, wherein the output end of audio amplifier circuit connects power amplification circuit, and the output end of the power amplification circuit connects resistance
Anti- network, wherein the output end connection output transformer of impedance network, the output transformer of the emulation radio station audio-frequency module connect
Analog radio output interface is connect, the output transformer of the emulation microphone audio-frequency module connects simulation microphone output interface, described
Emulate the output transformer connection simulation sonar output interface of sonar audio module.
5. a kind of airborne Audio Controller tester according to claim 2, it is characterised in that: the multi-channel sound frequency division
Analysis unit includes second power supply module and radio station, earpiece audio analysis module, and wherein second power supply module connects radio station, earphone sound
Frequency analysis module, the radio station, earpiece audio analysis module include signal acquisition circuit and impedance matching circuit, the impedance
Input terminal with circuit connects adaptation unit, wherein impedance matching by analog radio input interface or simulation earphone input interface
The output end of the output end connection signal Acquisition Circuit of circuit, the signal acquisition circuit connects computer.
6. a kind of airborne Audio Controller tester according to claim 2, it is characterised in that: the multichannel discrete magnitude
Simulation unit includes third power module, discrete magnitude emulation module and signal amplification board, and wherein third power module is separately connected
The input terminal of discrete magnitude emulation module and signal amplification board, the discrete magnitude emulation module connects computer, and wherein discrete magnitude is imitative
The output end of true module is separately connected signal amplification board and adaptation unit, and the output end connection adaptation of the signal amplification board is single
Member when the level of the discrete magnitude signal needed for airborne Audio Controller is not more than 10V, can directly feed airborne Audio Controller electricity
Press signal；When the level of the discrete magnitude signal needed for airborne Audio Controller is greater than 10V, analog quantity is put by signal amplification board
Required voltage value is arrived greatly.
7. a kind of airborne Audio Controller tester according to claim 2, it is characterised in that: the multichannel discrete magnitude
Analytical unit includes the 4th power module and discrete magnitude analysis module, wherein the 4th power module connects discrete magnitude analysis module,
The input terminal of the discrete magnitude analysis module connects adaptation unit, and wherein the output end of discrete magnitude analysis module connects computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821754602.6U CN208953956U (en) | 2018-10-29 | 2018-10-29 | A kind of airborne Audio Controller tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821754602.6U CN208953956U (en) | 2018-10-29 | 2018-10-29 | A kind of airborne Audio Controller tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208953956U true CN208953956U (en) | 2019-06-07 |
Family
ID=66743266
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821754602.6U Expired - Fee Related CN208953956U (en) | 2018-10-29 | 2018-10-29 | A kind of airborne Audio Controller tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208953956U (en) |
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2018
- 2018-10-29 CN CN201821754602.6U patent/CN208953956U/en not_active Expired - Fee Related
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Granted publication date: 20190607 Termination date: 20201029 |