CN207199297U - A kind of Voice Surveillance device - Google Patents
A kind of Voice Surveillance device Download PDFInfo
- Publication number
- CN207199297U CN207199297U CN201721173849.4U CN201721173849U CN207199297U CN 207199297 U CN207199297 U CN 207199297U CN 201721173849 U CN201721173849 U CN 201721173849U CN 207199297 U CN207199297 U CN 207199297U
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- surveillance device
- audio
- voice surveillance
- voice
- microphone
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Abstract
The utility model belongs to avionics field, and in particular to a kind of Voice Surveillance device.Voice Surveillance device, for picking up, monitoring cockpit audio signal, there are audio signal pickup, amplification, conditioning functions.Its audio signal exported supplies flight parameter and audio recording systems or cockpit voice-frequency sender acquisition and recording.Voice Surveillance device of the present utility model, for picking up, monitoring cockpit audio signal, and it is supplied to flight parameter and audio recording systems or cockpit voice-frequency sender, the Voice Surveillance device includes microphone, Audio processing circuit, audio playback circuit and power-switching circuit, and the microphone is connected with Audio processing circuit and recording equipment successively；The power-switching circuit is powered to microphone, Audio processing circuit, audio playback circuit respectively.With good frequency response output, the relatively low distortion factor and higher signal to noise ratio, it is easy to carry out playback monitoring to audio signal.
Description
Technical field
The utility model belongs to avionics field, and in particular to a kind of Voice Surveillance device.
Background technology
Voice Surveillance device, for picking up, monitoring cockpit audio signal, there are audio signal pickup, amplification, conditioning functions.
Its audio signal exported supplies flight parameter and audio recording systems or cockpit voice-frequency sender acquisition and recording.
Utility model content
The utility model provides a kind of Voice Surveillance device design that is safe and reliable, meeting ED112 standards.
Voice Surveillance device of the present utility model, for picking up, monitoring cockpit audio signal, and it is supplied to flight parameter and sound
Frequency record system or cockpit voice-frequency sender, the Voice Surveillance device include microphone, Audio processing circuit, audio playback circuit and
Power-switching circuit, the microphone are connected with Audio processing circuit and recording equipment successively；The power-switching circuit difference
To microphone, Audio processing circuit, the power supply of audio playback circuit.
The ambient sound that the Audio processing circuit picks up microphone is nursed one's health, amplified, being exported after impedance matching
To collecting device.
The audio that recording equipment records is nursed one's health, exported after impedance matching to headphone monitor by the audio playback circuit
Equipment.
The power-switching circuit completes the conversion to aviation power supply power supply.
It is chassis components outside the Voice Surveillance device, its front end has light guide panel, and there are other with aircraft to set for its rear end
The aerospace connectors of standby connection.
The light guide panel includes microphone aperture, working station indicator, testing button, erasing button and earpiece holes.
Represent that product is working properly when the working station indicator is shown in green, product is represented when shown in red therefore
Barrier.
The Voice Surveillance device meets ED112 standards.
Beneficial effect：
A) high performance audio power amplifier is used, there is low distortion, low noise, wide scope.Audio amplification electricity
There are good frequency response output, the relatively low distortion factor and higher signal to noise ratio, all indexs to meet European civil aviation on road
The equipment committee (EUROCAE) ED-112《The airborne minimum service behaviour specification of record system of crash survival》It is required that.
B) product design has light guide panel, has night vision function, and brightness can adjust, with night vision can imaging system (NVIS) it is simultaneous
Hold；
C) product design has audio playback circuit and earpiece holes, is easy to carry out playback monitoring to audio signal.
Brief description of the drawings
Fig. 1 is the outline drawing of the utility model Voice Surveillance device；
Fig. 2 is the theory diagram of the utility model Voice Surveillance device.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, refers to Fig. 1 and Fig. 2.
A kind of Voice Surveillance device for meeting ED112 standards, including chassis components 1, the front end of chassis components 1 is light guide panel
2, rear end is aerospace connectors 3, and inside includes Voice Surveillance module, and it includes microphone, Audio processing circuit, audio playback electricity
Road and power-switching circuit.
Described light guide panel 2 includes product working status indicator lamp 5, testing button 6, wipes button 7, earpiece holes 8.
Described aerospace connectors 3 are used to connect with aircraft other equipment.Described microphone 8 can pick up Voice Surveillance
Ambient sound around device installation site.
Working station indicator 5 can reflect the working condition of product, and product work is represented when indicator lamp is shown in green
Normally, product bug is represented when indicator lamp is shown in red.Testing button 6 can outwards export test signal.Wiping button 7 can
Signal is wiped with outside output.
Power-switching circuit completes the conversion to aviation power supply power supply, to microphone, Audio processing circuit and audio playback
Circuit provides working power.The ambient sound that Audio processing circuit picks up microphone is nursed one's health, amplified, after impedance matching
Export to collecting device.The audio that recording equipment records is nursed one's health, exported after impedance matching to earphone by audio playback circuit
Audiomonitor.
Claims (8)
1. a kind of Voice Surveillance device, for picking up, monitoring cockpit audio signal, and it is supplied to flight parameter and audio recording system
System or cockpit voice-frequency sender, it is characterised in that：The Voice Surveillance device includes microphone, Audio processing circuit, audio playback electricity
Road and power-switching circuit, the microphone are connected with Audio processing circuit and recording equipment successively；The power-switching circuit
Powered respectively to microphone, Audio processing circuit, audio playback circuit.
2. Voice Surveillance device according to claim 1, it is characterised in that：The Audio processing circuit arrives microphone pickup
Ambient sound nursed one's health, amplified, exported after impedance matching to collecting device.
3. Voice Surveillance device according to claim 2, it is characterised in that：The audio playback circuit records recording equipment
Audio nursed one's health, exported after impedance matching and give headphone monitor equipment.
4. Voice Surveillance device according to claim 3, it is characterised in that：The power-switching circuit is completed to aviation power supply
The conversion of power supply.
5. the Voice Surveillance device according to any one of claim 1-4, it is characterised in that：It is machine outside the Voice Surveillance device
Box part (1), its front end have light guide panel (2), and its rear end has the aerospace connectors (3) connected with aircraft other equipment.
6. Voice Surveillance device according to claim 5, it is characterised in that：The light guide panel (2) includes microphone aperture
(4), working station indicator (5), testing button (6), erasing button (7) and earpiece holes (8).
7. Voice Surveillance device according to claim 6, it is characterised in that：The working station indicator (5) is shown as green
Represent that product is working properly, represents product bug when shown in red during color.
8. Voice Surveillance device according to claim 7, it is characterised in that：The Voice Surveillance device meets ED112 standards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721173849.4U CN207199297U (en) | 2017-09-13 | 2017-09-13 | A kind of Voice Surveillance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721173849.4U CN207199297U (en) | 2017-09-13 | 2017-09-13 | A kind of Voice Surveillance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207199297U true CN207199297U (en) | 2018-04-06 |
Family
ID=61788928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721173849.4U Active CN207199297U (en) | 2017-09-13 | 2017-09-13 | A kind of Voice Surveillance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207199297U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151664A (en) * | 2018-09-11 | 2019-01-04 | 陕西千山航空电子有限责任公司 | A kind of double mode light-conducting type Voice Surveillance device |
| CN110300300A (en) * | 2019-05-17 | 2019-10-01 | 陕西飞机工业（集团）有限公司 | A kind of aircraft video-with-audio recording device detection device and method |
| CN112087703A (en) * | 2020-08-14 | 2020-12-15 | 陕西千山航空电子有限责任公司 | Audio acquisition fault diagnosis method for audio monitor |
-
2017
- 2017-09-13 CN CN201721173849.4U patent/CN207199297U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151664A (en) * | 2018-09-11 | 2019-01-04 | 陕西千山航空电子有限责任公司 | A kind of double mode light-conducting type Voice Surveillance device |
| CN109151664B (en) * | 2018-09-11 | 2021-04-20 | 陕西千山航空电子有限责任公司 | Dual-mode light guide type audio monitor |
| CN110300300A (en) * | 2019-05-17 | 2019-10-01 | 陕西飞机工业（集团）有限公司 | A kind of aircraft video-with-audio recording device detection device and method |
| CN112087703A (en) * | 2020-08-14 | 2020-12-15 | 陕西千山航空电子有限责任公司 | Audio acquisition fault diagnosis method for audio monitor |
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