CN108600912A - The wireless electric tuning of virtualization for integrated avionic system and audio management system - Google Patents
The wireless electric tuning of virtualization for integrated avionic system and audio management system Download PDFInfo
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- CN108600912A CN108600912A CN201810333248.8A CN201810333248A CN108600912A CN 108600912 A CN108600912 A CN 108600912A CN 201810333248 A CN201810333248 A CN 201810333248A CN 108600912 A CN108600912 A CN 108600912A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
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Abstract
The invention discloses a kind of wireless electric tuning of virtualization for integrated avionic system and audio management systems, can reduce the volume of system, mitigate airborne load, save space, and can be under the premise of keeping reliability convenient for upgrading and update.The system includes：Two VHF radios, Audio control unit, data processor, navigation equipment and two sets of audio frequency control boxes being separately positioned in front deck and rear deck and two sets of synthetical display control units；Wherein, synthetical display control unit has wireless electric tuning and audio frequency controller graphical interfaces, and the instruction for receiving pilot's input simultaneously sends control signal to Audio control unit, and sends audio frequency control source selection signal to Audio control unit by discrete magnitude interface；Audio control unit is used to carry out flight interphone, PERCOM peripheral communication, emergency communication, the wireless electric tuning that navigation sound is listened to and alerting tone is monitored and audio frequency controller according to control signal.
Description
Technical field
The present invention relates to air craft carried technical field of radio more particularly to a kind of virtual for integrated avionic system
Change wireless electric tuning and audio management system.
Background technology
The information of various avionic devices on aircraft is carried out at unified usually using unified processor on modern aircraft
Reason combines the same or similar equipment of function in a component, over the display the relevant parameter of synthesis display, and each
It is transmitted for information about by airborne databus between avionic device, to make all aviation electronics on entire aircraft set
Standby performance reaches higher level, and such system is known as integrated avionic system.
With the development of avionics, the function of being realized required for onboard radio system is increasingly sophisticated, on aircraft
A variety of work(such as the comprehensive radio System Take used interior of aircraft call, PERCOM peripheral communication, navigation sound is listened to, alerting tone is monitored
Energy.However, the wireless electric tuning in existing airborne audio system is all made of centralized control box to be managed with audio frequency controller.By
In the concentration for needing progress audio and control circuit, in addition to independent audio frequency control box is arranged in each freight space, it is also necessary to
It is emergent Backup audio control box reserved space in each freight space, therefore the wireless electric tuning in existing avionics system and audio
Management system structure is complicated and dispersion causes volume and weight larger, can not be useful in flexibility, fuselage total weight and can
It is required by property in higher and higher baby plane.Moreover, when integrated avionic system upgrades and extends, concentrate audio frequency control box limited
In hardware configuration and connection is concentrated, can not be upgraded and be updated accordingly, cause centralized control and hardware replacement cost higher.
Invention content
An object of the present invention at least that, for how to overcome the above-mentioned problems of the prior art, provide one kind
The wireless electric tuning of virtualization for integrated avionic system and audio management system, can reduce wireless electric tuning and audio frequency controller
The volume of system mitigates airborne load, saves space, and can be under the premise of keeping reliability convenient for upgrading and update.
To achieve the goals above, the technical solution adopted by the present invention includes following aspects.
A kind of virtualization for integrated avionic system is wireless electric tuning and audio management system comprising：It is two very high
Frequency radio station, Audio control unit, data processor, navigation equipment and two sets of audios being separately positioned in front deck and rear deck
Control box and two sets of synthetical display control units；
Wherein, audio frequency control box has audio-frequency control panel, and the instruction for receiving pilot's input simultaneously passes through serial interface
Mouthful to the control signal such as the selection of Audio control unit sendaisle, volume adjustment, and by discrete magnitude interface to audio frequency control list
Member sends audio frequency control source selection signal；
Synthetical display control unit has wireless electric tuning and audio frequency controller graphical interfaces, for receiving pilot's input
It instructs and sends control signal to Audio control unit, and audio frequency control source is sent to Audio control unit by discrete magnitude interface
Selection signal；Audio control unit is used to carry out flight interphone, PERCOM peripheral communication, emergency communication, navigation sound receipts according to control signal
Listen and alerting tone monitor wireless electric tuning and audio frequency controller.
In conclusion by adopting the above-described technical solution, the present invention at least has the advantages that：
Wireless electric tuning is generated with audio frequency controller graphical interfaces by synthetical display control unit to receive pilot's input
Instruction and to Audio control unit send control signal, and by discrete magnitude interface to Audio control unit send audio frequency control
Source selection signal；Audio control unit according to control signal carry out flight interphone, PERCOM peripheral communication, emergency communication, navigation sound listen to,
And wireless electric tuning and the audio frequency controller of alerting tone monitoring, the volume of wireless electric tuning and audio management system can be reduced,
Mitigate airborne load, saves space, and can be under the premise of keeping reliability convenient for upgrading and update.
Description of the drawings
Fig. 1 is the structural schematic diagram of virtualization wireless electric tuning and audio management system according to the ... of the embodiment of the present invention.
Fig. 2 is the front view of audio frequency control box according to the ... of the embodiment of the present invention.
Fig. 3 is the lateral plan of audio frequency control box according to the ... of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of synthetical display control unit according to the ... of the embodiment of the present invention.
Fig. 5 is the schematic diagram of the function switch page according to the ... of the embodiment of the present invention.
Fig. 6 is the schematic diagram of the audio frequency control page according to the ... of the embodiment of the present invention.
Fig. 7 is the schematic diagram of the VHF radio tuning page according to the ... of the embodiment of the present invention.
Specific implementation mode
With reference to the accompanying drawings and embodiments, the present invention will be described in further detail, so that the purpose of the present invention, technology
Scheme and advantage are more clearly understood.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to
It is of the invention in limiting.
Fig. 1 shows the structural representation of virtualization wireless electric tuning and audio management system according to the ... of the embodiment of the present invention
Figure, the system are suitable on the baby plane with front and back cockpit, can be to flight interphone, PERCOM peripheral communication, emergency communication, navigation
The functions such as sound is listened to, alerting tone is monitored carry out wireless electric tuning and audio frequency controller.In the embodiment, virtualize wireless electric tuning with
Audio management system includes two VHF radios (VHF1, VHF2), Audio control unit ACU, data processor CNI, navigation
Equipment NAV and two sets of audio frequency control boxes (ACB1, ACB2), synthetical display control lists being separately mounted in front deck and rear deck
First (DU1, DU2), headset (HS1, HS2) and the preposition amplifier module of corresponding microphone (JAT1, JAT2).
Wherein, audio frequency control box has audio-frequency control panel, and the instruction for receiving pilot's input simultaneously passes through serial interface
Mouthful to the control signal such as the selection of Audio control unit sendaisle, volume adjustment, and by discrete magnitude interface to audio frequency control list
Member sends audio frequency control source selection signal；
Synthetical display control unit has wireless electric tuning and audio frequency controller graphical interfaces, for receiving pilot's input
It instructs and sends control signal to Audio control unit, and audio frequency control source is sent to Audio control unit by discrete magnitude interface
Selection signal；Audio control unit is used to carry out flight interphone, PERCOM peripheral communication, emergency communication, navigation sound receipts according to control signal
Listen and alerting tone monitor wireless electric tuning and audio frequency controller.
ACU is connect with two VHF radios VHF1, VHF2 respectively by two-way serial line interface, to receive and/or send
Channel selecting, volume adjustment etc. control signal, and by two-way analog signal interface respectively with two VHF radio VHF1,
VHF2 connections, to receive and/or send analog audio signal；
ACU is connect by serial line interface all the way with the data processor CNI in airborne comprehensive wireless electric system, to receive
And/or sendaisle selection, volume adjustment etc. control signal, and connect with CNI by discrete magnitude interface all the way emergent to receive
Control signal EMCY；
Navigation neceiver VOR/ILS, range finder DME, Automatic Direction Finder ADF in navigation equipment NAV and marker beacon MB
It is connect with ACU each by analog signal interface all the way, to send VHF Omnidirection range VOR/ instrument landings to ACU respectively
The navigation sound such as ILS audio signals, range finder audio signal, directional audio signal and marker beacon audio signal, and each by
Serial line interface is connect with ACU all the way, with audio control signals such as receiving channel selection, volume adjustments；
Headset HS1, the HS2 being separately positioned in front deck and rear deck (can be ear microphone integral structure, can also be
Earphone and microphone are provided separately) it is separately connected a microphone preposition amplifier module JAT1, JAT2, each JAT by simulating all the way
Signaling interface is connect with ACU, to receive and/or send analog audio signal；Each preposition amplifier module of microphone by all the way from
Scattered signal interface is connect with ACU to receive emergency flight control signal EMCY；
ACU also has 28V DC supply inputs and output interface, to obtain power supply from airborne power unit, and to microphone
Preposition amplifier module JAT1, JAT2 provide 28V DC power supplies.
In above-described embodiment, the full duplex RS422 interfaces that baud rate is 115200bps may be used in serial line interface；Simulation
The audio interface with analog-digital converter may be used in signaling interface, and uses AWG 22# twisted-pair shielded wires；Discrete signal interface
AWG 24# single-core shielding lines may be used, ground connection indicates enabled, and open circuit indicates not enable.
Fig. 2 and Fig. 3 respectively illustrates a front surface and a side surface view of audio frequency control box according to the ... of the embodiment of the present invention, the audio
The front of control box has the audio-frequency control panel 20 that a height of 83mm, width 146mm and thickness are 11.5mm, audio frequency control face
Multiple buttons 22 and knob 21 are provided on plate to receive control instruction；Audio-frequency control panel 20 is by the height direction apart
53 ± 0.1mm, apart the screw hole 23 of 136 ± 0.1mm is connected on the box body of a height of 77.8mm, depth 55mm on the width, box body
It is fixed in the mounting bracket in cabin.
Fig. 4 shows the structural schematic diagram of synthetical display control unit (DU1, DU2) according to the ... of the embodiment of the present invention, comprehensive
Display control unit is display and processor all-in-one machine structure, and indicator screen is set as with infrared touch structure to support
Multiple point touching, and can realize every control switching, selection by uniformly distributed button on display frame, adjust etc., can be with
It is tuned by the double-deck knob positioned at the left and right inferior horn of screen.
Synthetical display control unit 200 is powered by airborne 28V DC power supplies, and power module 203 has two-way independently defeated
Go out, respectively first processor 201 and second processor 202 provide power supply.Synthetical display control unit 200 is total by RS-422
Line is directly connected to Audio control unit 105 and INS/GNSS integrated navigation systems 106, first processor 201 and second processing
Device 202 is connect by industry ethernet with the first data interface unit 103 and the second data interface unit 104 respectively；Audio control
Unit 105 processed is also connect with the first data interface unit 103 and the second data interface unit 104；First processor 201 and second
Processor 202 is carried out at the same time display data and handles and receive control instruction；And first processor 201 and second processor 202
Between by duplexing Ethernet (operation udp protocol) that transmission rate all the way is 100Mb/s into row data communication, realize that remaining is standby
Part；Acquiescence only shows the handling result of first processor 201, only when 201 cisco unity malfunction of first processor (for example, super
The output of preset time period no data is crossed, data output is beyond preset range etc.), automatically switch to display second processor 202
Handling result.
Fig. 5 to Fig. 7 shows the schematic diagram of wireless electric tuning and audio frequency controller graphical interfaces according to the ... of the embodiment of the present invention,
It is shown on the indicator screen of synthetical display control unit, and receives the control instruction of pilot's input.As shown in figure 5,
Synthetical display control unit switches the page 500 in screen systematic function first, includes at least VHF1 and tunes page layout switch menu
501, VHF2 tunes page layout switch menu 502, audio frequency control page layout switch menu 503 and navigation tuning page layout switch menu
504.Wherein, navigation tuning page layout switch menu 504 could be provided as include a variety of navigation features multilevel menu entrance, also may be used
To be set as multiple further menus arranged side by side.
The top half that VHF1 tunes page layout switch menu 1 has display present operating frequency (such as 123.00MHz)
COM1 buttons tune the page for pop-up VHF1 when pressed；Lower half portion have show preset working frequency (such as
STBY buttons 121.90MHz), for the activation of preset working frequency to be shown for present operating frequency when pressed,
Present operating frequency at COM1 buttons is transmitted to STBY buttons and is shown as predetermined frequency, and by controlling signal by activation
Frequency is transferred in ACU.Similar, the top half that VHF2 tunes page layout switch menu 2 has display present operating frequency (example
Such as 122.80MHz) COM2 buttons, for when pressed pop-up VHF2 tune the page；Lower half portion, which has, shows preset work
The STBY buttons of working frequency (such as 139.95MHz) are work at present frequency for preset working frequency to be activated when pressed
Rate shows that the present operating frequency at COM2 buttons, which is transmitted to STBY buttons as predetermined frequency, to be shown, and is believed by controlling
Number the frequency of activation is transferred in ACU.
Fig. 6 shows the schematic diagram of the audio frequency control page according to the ... of the embodiment of the present invention, is used for communication port selection, receives
Volume adjustment and emergency communication is listened to trigger control.The audio frequency control page includes：
VHF1 channel selectings and selective call instruction button 1 are used for when the channels VHF1 are unselected indicator light (COM1 words in figure
Accord with the short-term region of lower section) it is shown as white, it is shown in green when choosing；The button is pressed, indicates that VHF1 channel Cs OM1 is selected
In and the control signal for connecting the channel is sent to ACU, while the channels VHF2 or flight interphone channel InterCOM are disconnected；Again
When secondary pressing button, indicator light is shown as white, and the channels VHF1 disconnect；VHF1 channel Cs OM1 is unselected and has channel choosing
When exhaling signal, alternately flicker is displayed in white and green always for the indicator light of the button, until pressing VHF1 channel selectings and selective call
Instruction button 1 just stops flicker and sends VHF1 selective calls reset useful signal to ACU to choose VHF1 channel Cs OM1, Huo Zhezhi
When to pressing reset button 14, just stops flickering and each channel selecting state is kept to remain unchanged.VHF2 channel selectings and selective call
Instruction button 3 (corresponding to show COM2) is similar with VHF1 channel selectings and selective call instruction button 1, and details are not described herein again.
Interior talking path selection instruction button 5 is shown as white when flight interphone channel InterCOM is unselected, at this time should
Button is pressed, then the call control signals into ACU transmitters, and shown in green to indicate flight interphone channel InterCOM
It is selected and connects；The button, which is pressed then to send to ACU when choosing, terminates flight interphone control signal to lead in disconnection machine
Talking path.
Volume knob, including button 2,4,6,7,12,8,9,10 and 11 are listened to, is respectively used to adjust two very high
Frequency radio station (corresponding COM1, COM2), flight interphone (InterCOM), alarm (WARN), interior words noise reduction (VOX), multimode rake receiver
(VOR/ILS), the volume of each voice frequency listening such as range finder (DME), Automatic Direction Finder (ADF), marker beacon (MKR).Specifically,
When the button is pressed, volume adjustment control strip 13 is shown in screen blank space；Volume adjustment control strip 13 from left to right according to
It is secondary to be divided into 0~9 grade；The 0th grade of audio for indicating not listening to corresponding channel, 1~9 grade of volume gradually increase, and the 9th grade is maximum sound
Amount；It clicks 13 left side loudspeaker icon of volume adjustment control strip to listen to open or close the channel audio, volume control is listened in click
"-" minus sign icon and "+" plus sige icon on item 13 processed is to reduce and increase volume.
Emergency survival trigger button 15 is used to send emergency survival triggering enable signal EMCY to ACU when being clicked.Page
Face close button 16 returns to the function switch page for closing the audio frequency control page.
Fig. 7 shows the schematic diagram of the VHF radio according to the ... of the embodiment of the present invention tuning page, VHF1 tune the page,
VHF2 tunes the page and the navigation tuning page is similar, and hereafter only VHF1 is described in detail for tuning the page.
The COM1 buttons of VHF1 tuning page layout switch menu 1 are clicked on the indicator screen of synthetical display control unit,
The VHF1 tuning pages 700 of pop-up are as shown in fig. 7, VHF1 tuning 700 top halfs of the page (dotted line above section in figure) are work(
It is tuned frequency input area that can select area, lower half portion.
In tuned frequency input area, it is provided with tuned frequency input keyboard UmInput, for inputting the number between 0~9
Word；Digital keys in keyboard are clicked, include and passing through delete button in preset tuned frequency input window 701 by respective value
Backspace deletes the numerical value in window.ACK button Enter is used for the numerical value in confirmation input window 701, simultaneously closes off
VHF1 tunes the page 700, returns to the function switch page 500, includes tuning page layout switch in VHF1 by the frequency in input window 2
The top half of menu 1.Activator button XFER is inputted for the numerical value in confirmation input window 701, simultaneously closes off VHF1 tunings
The page 700 returns to the function switch page 500, includes in VHF1 tuning page layout switch menu 1 by the frequency in input window 701
Top half, and by the frequency in input window 701 by control signal be sent to ACU.Further, synthetical display control
Unit can allow 108.000~173.975MHz of input range according to VHF frequencies, and validity judgement is carried out to input data,
Only the frequency in input range will be allowed to be sent to ACU by controlling signal.User's frequency button Save is preserved for that will input
Frequency in window 701 saves as user's frequency, and is shown in the frequency display window 702 of function selection area.
The recent frequency of function selection area checks button Recent, for pass through frequency display window 702 show recently it is defeated
The frequency entered.5 frequencies, unit MHz are shown in figure；It may be set to be and preserve 20 frequencies, after more than 20 frequencies
The frequency that covering early stage preserves.When number of frequencies be more than five, when window cannot all be shown, left scroll button can be passed through
703 and right scroll button 704 rolling check.
Nearly frequency is asked to check button Nearest, for frequency display window 702 to be switched to display distance aircraft present bit
Set available guidance station frequency within the scope of 200 nautical miles, and by apart from aircraft current location from the near to the remote be ranked sequentially from a left side to
The right side is shown in window.Guidance station frequency checks button F P in flight plan, aobvious for frequency display window 702 to be switched to
Show the guidance station frequency in flight plan, and according to the sequence in flight plan from left to right frequency display window 702 into
Row display.User preserves frequency and checks button User, is pre-set simultaneously for frequency display window 702 to be switched to display user
The frequency of preservation.Page close button Close returns to the function switch page 500 for closing the VHF1 tuning pages 700.
Page layout switch button 705 is arranged in selective call code, for replacing the digital keys in tuned frequency input keyboard UmInput
It is changed to alphabet key, to input the letter between A~S, and by ACK button Enter, the selective call code of input is passed through into control
Signal is sent to ACU.
The above, the only detailed description of the specific embodiment of the invention rather than limitation of the present invention.The relevant technologies
The technical staff in field is not in the case where departing from the principle and range of the present invention, various replacements, modification and the improvement made
It should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of virtualization for integrated avionic system is wireless electric tuning and audio management system, which is characterized in that including：Two
Platform VHF radio, Audio control unit, data processor, navigation equipment and be separately positioned in front deck and rear deck two
Cover audio frequency control box and two sets of synthetical display control units；
Wherein, audio frequency control box have audio-frequency control panel, for receive pilot input instruction and by serial line interface to
The selection of Audio control unit sendaisle, volume adjustment etc. control signal, and are sent out to Audio control unit by discrete magnitude interface
Send audio frequency control source selection signal；
Synthetical display control unit has wireless electric tuning and audio frequency controller graphical interfaces, the instruction for receiving pilot's input
And control signal is sent to Audio control unit, and audio frequency control source is sent to Audio control unit by discrete magnitude interface and is selected
Signal；Audio control unit be used for according to control signal carry out flight interphone, PERCOM peripheral communication, emergency communication, navigation sound listen to, with
And wireless electric tuning and the audio frequency controller of alerting tone monitoring.
2. according to claim 1 virtualize wireless electric tuning and audio management system, which is characterized in that the audio control
Unit processed is connect with two VHF radios respectively by two-way serial line interface, to receive and/or send control signal, and is passed through
Two-way analog signal interface is connect with two VHF radios respectively, to receive and/or send analog audio signal；
Audio control unit is connect by serial line interface with the data processor in airborne comprehensive wireless electric system, with receive and/
Or sendaisle selection, volume adjustment etc. control signal, and connect with data processor by discrete magnitude interface emergent to receive
Control signal；Each device in navigation equipment is connect each by analog signal interface with Audio control unit, to send navigation
Sound, and connect with Audio control unit each by serial line interface, to receive control signal.
3. according to claim 2 virtualize wireless electric tuning and audio management system, which is characterized in that the synthesis is aobvious
Show that control unit is display and processor all-in-one machine structure, indicator screen is set as more to support with infrared touch structure
Touch；Synthetical display control unit is direct by RS-422 buses and Audio control unit and INS/GNSS integrated navigation systems
It connects, the first processor and second processor in synthetical display control unit are connect by industry ethernet and the first data respectively
Mouth unit and the connection of the second data interface unit；Audio control unit also with the first data interface unit and the second data-interface list
Member connection；First processor and second processor are carried out at the same time display data and handle and receive control instruction.
4. according to claim 3 virtualize wireless electric tuning and audio management system, which is characterized in that the synthesis is aobvious
Show that wireless electric tuning that control unit is generated in its indicator screen and audio frequency controller graphical interfaces include the function switch page, tool
There are two VHF radio tuning page layout switch menu, audio frequency control page layout switch menu and navigation tuning page layout switch dishes
It is single；
Wherein, the top half of VHF radio tuning page layout switch menu has the button of display present operating frequency, is used for
Pop-up VHF radio tunes the page when pressed；Lower half portion has the button for showing preset working frequency, in quilt
It is present operating frequency that preset working frequency, which is activated, when pressing, and the frequency of activation is transferred to audio control by controlling signal
In unit processed.
5. according to claim 4 virtualize wireless electric tuning and audio management system, which is characterized in that the audio control
The audio frequency control page is popped up when page layout switch menu processed is clicked comprising two VHF radio channel selective call instruction buttons；
When one of VHF radio channel is unselected, the indicator light of corresponding button is shown as white, shown in green when choosing；
The button is pressed, indicates that the VHF radio channel is selected and sends the control letter for connecting the channel to Audio control unit
Number, while another VHF radio channel or flight interphone channel are disconnected；When pressing the button again, indicator light is shown as
White, the VHF radio channel disconnect；When a VHF radio channel is not selected and has the channel selective call signal,
The indicator light of the button always alternately flicker be displayed in white and green, until pressing the VHF radio channel selective call instruction button
Just stop flicker and send selective call to Audio control unit resetting useful signal to choose the VHF radio channel, or until
Pressing reset button just stops flickering and each channel selecting state is kept to remain unchanged.
6. according to claim 5 virtualize wireless electric tuning and audio management system, which is characterized in that the audio control
The page processed further includes an interior talking path selection instruction button, white is shown as when flight interphone channel is unselected, at this time
The button is pressed, then the call control signals into Audio control unit transmitter, and shown in green to indicate flight interphone
Channel is selected and connects；The button, which is pressed then to send to Audio control unit when choosing, terminates flight interphone control signal
To disconnect flight interphone channel.
7. according to claim 5 virtualize wireless electric tuning and audio management system, which is characterized in that the audio control
The page processed further includes nine and listens to volume knob, is respectively used to adjust two VHF radios, flight interphone, alarm, interior
Talk about the volume of each voice frequency listening of noise reduction, multimode rake receiver, range finder, Automatic Direction Finder and marker beacon.
8. according to claim 4 virtualize wireless electric tuning and audio management system, which is characterized in that the very high frequency(VHF)
The radio station tuning page includes the tuned frequency input area of the function selection area for being disposed thereon half part and lower half portion；
Wherein, in tuned frequency input area, it is provided with tuned frequency input keyboard, for inputting the number between 0~9, and will
Respective value is shown in preset tuned frequency input window；It is additionally provided with input activator button, in confirmation input window
Numerical value simultaneously closes off the very high frequency(VHF) tuning page, returns to the function switch page, include in very high frequency(VHF) tune by the frequency in input window
The top half of humorous page layout switch menu, and the frequency in input window is sent to Audio control unit by controlling signal.
9. according to claim 8 virtualize wireless electric tuning and audio management system, which is characterized in that the synthesis is aobvious
Show control unit be further used for input data carry out validity judgement, only will allow input range 108.000~
Frequency in 173.975MHz is sent to Audio control unit by controlling signal.
10. according to claim 8 virtualize wireless electric tuning and audio management system, which is characterized in that the function
Selection area is provided with：Recent frequency checks button, for showing the frequency recently input by frequency display window；Seek nearly frequency
Button is checked, for frequency display window to be switched to available navigation within the scope of 200 nautical miles of display distance aircraft current location
Platform frequency, and from left to right shown in window by apart from aircraft current location being ranked sequentially from the near to the remote；Flight plan
Middle guidance station frequency checks button, the guidance station frequency for being switched to frequency display window in display flight plan, and root
It is from left to right shown in frequency display window according to the sequence in flight plan；And selective call code setting page layout switch is pressed
Button, the digital keys for inputting tuned frequency in keyboard replace with alphabet key, to input the letter between A~S, and lead to
ACK button is crossed, the selective call code of input is sent to Audio control unit by controlling signal.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729983A (en) * | 2019-09-03 | 2020-01-24 | 中国商用飞机有限责任公司 | Control device for a radio frequency system of an aircraft |
| CN114530060A (en) * | 2022-03-11 | 2022-05-24 | 中电科航空电子有限公司 | Five-channel DME tuning method and system suitable for large civil aircraft |
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