CN207197660U - A kind of distribution type optical fiber sensing equipment for speech recognition and patrol work attendance - Google Patents
A kind of distribution type optical fiber sensing equipment for speech recognition and patrol work attendance Download PDFInfo
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- CN207197660U CN207197660U CN201721185128.5U CN201721185128U CN207197660U CN 207197660 U CN207197660 U CN 207197660U CN 201721185128 U CN201721185128 U CN 201721185128U CN 207197660 U CN207197660 U CN 207197660U
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Abstract
The utility model discloses a kind of distribution type optical fiber sensing equipment for speech recognition and patrol work attendance, including sound sensing optic cable, communication cable, optical fiber sonic analyzer and monitoring management platform.Device of the present utility model is primarily adapted for use in boundary line, prison, the voice monitoring technology of pipe gallery long range and sensitive words alarm technique, and the speech recognition work attendance technology of patrol personnel, essential safety, technology application novelty.Outstanding advantage be that by long-distance distributed monitoring, the passive essential safety in monitoring part, monitoring with sound sensing optic cable be easily integrated with hidden, electromagnetism interference, be not easy cheap, easy maintenance of burn into installation etc., severe and complex environment is especially suitable for, can be used for speech recognition, Application on Voiceprint Recognition and the patrol work attendance of long range positioning function.
Description
Technical field
The utility model belongs to sensory field of optic fibre, and in particular to a kind of distribution for speech recognition and patrol work attendance
Fibre-optical sensing device.
Background technology
Speech recognition is a cross discipline.In the late two decades, speech recognition technology obtains marked improvement, starts from experiment
Move towards market in room.It is contemplated that in coming 10 years, speech recognition technology will enter industry, household electrical appliances, communication, automotive electronics, doctor
The every field such as treatment, home services, consumption electronic product.Speech recognition dictation machine some fields application by US News circle
It is chosen as one of ten major issues of development of computer in 1997.Many experts think that speech recognition technology is between 2000 to 2010
One of big important development in science and technology technology of areas of information technology ten.Field involved by speech recognition technology includes：Signal transacting,
Pattern-recognition, probability theory and information theory, sound generating mechanism and hearing mechanism, artificial intelligence etc..Before speech detection
End is substantially all based on the dot type probe of the principles such as resistance, electric capacity, inductance, electromagnetism, piezo-electric effect, lays construction in the presence of tired
Difficulty, monitor scope and be affected.
Optical fiber sensing technology be last century the seventies along with fiber optic communication flourish and put forward, it with
Optical time domain reflection technology is intimately associated and emerged rapidly, and multiple fields are had been widely used for by the development of decades.
Utility model content
Compared with traditional sensor, fibre optical sensor has lightweight, corrosion-resistant, and high temperature resistant is waterproof and dampproof, and anti-electromagnetism is done
The series of advantages such as disturb, be easy of integration, be hidden, therefore purposes is had much in severe and complex environment.And distributing optical fiber sensing skill
Art is also equipped with obtaining in real time and divided in sensor fibre region with time and being measured for spatial variations in addition to possessing These characteristics
The ability of cloth information.Accurately say, it stress, can be bent, vibration, sound with the temperature of the fine upper any point along the line of precise measuring
The information such as ripple voice, if the crisscross connection of optical fiber is reticulated, it may be constructed blanket type dynamic monitoring in large scale
Net, realize and carry out extraordinary parameter to the real-time, comprehensive of target and (1Km~200Km) detection over long distances, or according to specific operating mode
Monitoring.
The utility model proposes a kind of distribution type optical fiber sensing equipment for speech recognition and patrol work attendance, including
Sound sensing optic cable, disturbance information caused by ambient sound waves vibration is laid for monitoring；
Communication cable, both ends connection sound sensing optic cable and optical fiber sonic analyzer respectively, for the institute sound sensing optic cable
State disturbance information and be delivered to optical fiber sonic analyzer；
Optical fiber sonic analyzer, it is back rayleigh scattering optical information processing apparatus faint in optical fiber, for being sensed to sound
Optical cable launches narrow-band impulse laser, while the disturbance information of reception sound sensing optic cable, and vibrational perturbation is obtained by disturbance information
Position and voiceprint；
Monitoring management platform, it is central processing unit, optical fiber sonic analyzer is connected by electric signal, for reception optical fiber sound
The sonic data of wavelength-division analyzer, and artificial intelligent voice identification, patrol personnel's Application on Voiceprint Recognition and sensitive words identification are carried out, and remember
Record voice and vocal print.
Optionally, the laying environment is national defence boundary line, pipe gallery, oil and gas pipeline, the long 1km of prison circumference
The one kind of~200km in place；The sound sensing optic cable has a plurality of, and cloth is set in length and breadth netted.
Optionally, the sound sensing optic cable is the hard-pressed bale LF-response to 20Hz~20KHz Gao Min of human ear audible sound wave
Wideband vibrating sensing optical cable.
Optionally, the communication cable is that common armouring protects optical cable.
Optionally, the optical fiber sonic analyzer is optical fiber vibration measuring sensor-based system, selected from phase sensitive optical time domain reflectometer
(Phase Sensitive Optical Time Domain Reflectometer, Φ-OTDR, directly detect coherent light time domain
Reflectometer Coherent Optical Time Domain Reflectometer, COTDR, Michelson's interferometer
Michelson interferometer, M-Z interferometer Mach-Zehnder Fiber Interferometer, sagnac are done
One kind in interferometer.
Optionally, the monitoring management platform is also associated with display, alarm and printer apparatus.
Optionally, it is equipped with one layer of environmental protection chromatograph outside the sound sensing optic cable and communication cable；The environment
Transparent wear is additionally provided with outside protection chromatograph.
Optionally, the shell of the protection optical fiber sonic analyzer is included, the shell includes sealing metal box, described
Between isolation of the sealing metal box internal insulation for middle instrument room and both sides；Inner side, which is equipped with, between the instrument room and isolation disappears
Sound material layer, the instrument room and isolation between be provided with first through hole, the second through hole is outwards equipped between the isolation；It is described
Blind is provided with the outside of second through hole；Instrument room's inner bottom part is provided with resilient support platform.
In following some embodiments, system that is to say originally be utility model device.
In some embodiments, the utility model provides a kind of distributed light for speech recognition and patrol work attendance
Fiber sensing equipment, its technical principle are calculated using the identification of Distributed Optical Fiber Sensing Techniques combination artificial intelligent voice and Application on Voiceprint Recognition
Method, collection and processing to live sound wave are realized, so as to reach the patrol attendance application of speech recognition and sound groove recognition technology in e.
In some embodiments, the device includes：Optical fiber sonic analyzer, sound sensing optic cable, communication cable, monitoring pipe
Platform.Wherein, optical fiber sonic analyzer is connected by communication cable with sound sensing optic cable, and optical fiber sonic analyzer senses to sound
Optical cable launches narrow-band impulse laser, and when acoustic vibration disturbance occurs for a certain position of sound sensing optic cable, the disturbance information passes through light
Light wave in fibre carries and is transferred to optical fiber sonic analyzer, and optical fiber sonic analyzer will obtain the position harmony of vibrational perturbation
Line information, by monitoring management Platform Analysis vocal print waveform, speech recognition is carried out, and record voice and Application on Voiceprint Recognition.The system
The voice monitoring technology and sensitive words alarm technique of the long ranges such as boundary line, prison, pipe gallery are primarily adapted for use in, and is patrolled
Patrol the speech recognition work attendance technology of personnel, essential safety, technology application novelty.
In some embodiments, the utility model provides a kind of distributed light for speech recognition and patrol work attendance
Fine sensing technology, including：Optical fiber sonic analyzer, the optical fiber sonic analyzer are back rayleigh scattering light faint in optical fiber
Message processing device, it is connected by communication cable with sound sensing optic cable；Sound sensing optic cable, the sound sensing optic cable are special sound wave
Sensitive sensor optical cable (comprises at least 20Hz~20KHz)；Communication cable is that common armouring protects optical cable；Monitoring management platform is light
Fine sonic analyzer uploads the artificial intelligent voice recognizer of sonic data, goes on patrol personnel's voiceprint recognition algorithm, sensitive words
Recognizer, and the function such as storage, display, alarm, printing.
In some embodiments, the utility model principle is acted on sound sensing optic cable using external sound wave, is drawn
Play lightwave signal phase in optical fiber to change, by demodulating the phase place change, so as to restore acoustic vibration waveform, then lead to
Speech recognition and sound groove recognition technology in e are crossed, finally goes back original sound wave content and vocal print correlation technique.
In some embodiments, the optical fiber sonic analyzer is the optical fiber vibration measuring sensor-based system of all optical principles,
Including phase sensitive optical time domain reflectometer ((Phase Sensitive Optical Time Domain Reflectometer,
Φ-OTDR), directly detect coherent light time domain reflection meter (Coherent Optical Time Domain Reflectometer,
COTDR), Michelson's interferometer (Michelson interferometer), M-Z interferometers (Mach-Zehnder Fiber
Interferometer), sagnac interferometers etc..
In some embodiments, the sound sensing optic cable is the wideband vibrating sensing optical cable of hard-pressed bale LF-response, to people
Ear audible sound wave (20Hz~20KHz) has hypersensitivity.
In some embodiments, described device application, it can be used for national defence boundary line, pipe gallery, petroleum gas
(1Km~200Km) the distributed sound wave over long distances such as pipeline, prison circumference monitors place, can accomplish to live sound pickup, language
The function such as sound identification, Application on Voiceprint Recognition and patrol work attendance, sensitive words alarm.
Brief description of the drawings
Fig. 1 is that embodiment 1 is used for speech recognition and goes on patrol the structural representation of the distribution type optical fiber sensing equipment of work attendance；
Fig. 2 is that embodiment 2 is used for speech recognition and goes on patrol the sound sensing optic cable of the distribution type optical fiber sensing equipment of work attendance
Cross-sectional view；
Fig. 3 is that embodiment 4 is used for speech recognition and goes on patrol the optical fiber sound wave of the distribution type optical fiber sensing equipment of work attendance
The shell mechanism schematic diagram of analyzer；
The engineer's scale and disunity of each figure, clear in order to watch in the figures above, and each figure is fitted on the basis of existing
When scaling.
In figure, sound sensing optic cable 103, communication cable 102, optical fiber sonic analyzer 101, monitoring management platform 104, environment
Protection chromatograph 109, transparent wear 110, sealing metal box 201, instrument room 2011,2012 between isolation, quieter material layer 202,
First through hole 203, the second through hole 204, blind 205, flexibly support platform 206.
Embodiment
To describe technology contents, construction feature, institute's reached purpose and effect of the utility model in detail, reality is hereby enumerated below
Apply example and coordinate accompanying drawing to be explained in detail.
Embodiment 1
A kind of distribution type optical fiber sensing equipment for speech recognition and patrol work attendance, as shown in figure 1, including
Sound sensing optic cable 103, disturbance information caused by ambient sound waves vibration is laid for monitoring；
Communication cable 102, both ends connection sound sensing optic cable 103 and optical fiber sonic analyzer 101 respectively, for sound to be sensed
The disturbance information of optical cable 103 is delivered to optical fiber sonic analyzer 101；
Optical fiber sonic analyzer 101, it is back rayleigh scattering optical information processing apparatus faint in optical fiber, for being passed to sound
Sensing optical cable 103 launches narrow-band impulse laser, while the disturbance information of reception sound sensing optic cable 103, is shaken by disturbance information
The position of dynamic disturbance and voiceprint；
Monitoring management platform 104, it is central processing unit, optical fiber sonic analyzer 101 is connected by electric signal, for receiving
The sonic data of optical fiber sonic analyzer 101, and carry out artificial intelligent voice identification, patrol personnel's Application on Voiceprint Recognition and sensitive words
Identification, and record voice and vocal print.
The laying environment is national defence boundary line, pipe gallery, oil and gas pipeline, the long 1km~200km of prison circumference
One kind in place；The sound sensing optic cable 103 has a plurality of, and cloth is set in length and breadth netted.
The sound sensing optic cable 103 is the width to 20Hz~20KHz Gao Min of human ear audible sound wave hard-pressed bale LF-response
Frequency vibration sensing optic cable.
The communication cable 102 is that common armouring protects optical cable.
The optical fiber sonic analyzer 101 is optical fiber vibration measuring sensor-based system, selected from phase sensitive optical time domain reflectometer
(Phase Sensitive Optical Time Domain Reflectometer, Φ-OTDR, directly detect coherent light time domain
Reflectometer Coherent Optical Time Domain Reflectometer, COTDR, Michelson's interferometer
Michelson interferometer, M-Z interferometer Mach-Zehnder Fiber Interferometer, sagnac are done
One kind in interferometer.
The distribution type optical fiber sensing equipment for being used for speech recognition and going on patrol work attendance of the present embodiment, monitoring management platform 104
Can be PC or server for central processing unit, the processor and memory used for commercially available common electronic device, operation
Artificial intelligent voice recognizer, patrol personnel's voiceprint recognition algorithm and sensitive words recognizer be commercial goods algorithm or
Network is increased income algorithm.
The distribution type optical fiber sensing equipment for being used for speech recognition and going on patrol work attendance of the present embodiment, optical fiber sonic analyzer
101 are connected by communication cable 102 with sound sensing optic cable 103, and optical fiber sonic analyzer 101 is launched narrow to sound sensing optic cable 103
Tape pulse laser, when acoustic vibration disturbance occurs for 103 a certain position of sound sensing optic cable, the disturbance information passes through communication cable
Light wave in 102 carries and is transferred to optical fiber sonic analyzer 101, and optical fiber sonic analyzer 101 will obtain vibrational perturbation
Position and voiceprint, vocal print waveform is analyzed by monitoring management platform 104, carries out speech recognition, and record voice and vocal print
Identification.The system is primarily adapted for use in voice monitoring technology and the sensitive words alarm of the long ranges such as boundary line, prison, pipe gallery
Technology, and the speech recognition work attendance technology of patrol personnel, essential safety, technology application are novel.
Embodiment 2
It is with the difference of embodiment 1, as shown in Fig. 2 outside the sound sensing optic cable 103 and communication cable 102
It is equipped with one layer of environmental protection chromatograph 109；Transparent wear 110 is additionally provided with outside the environmental protection chromatograph 109.
The distribution type optical fiber sensing equipment for being used for speech recognition and going on patrol work attendance of the present embodiment, the He of sound sensing optic cable 103
The environmental protection chromatograph that the outside of communication cable 102 is provided with is generally camouflage color or the coating or paint that are applicable with environment.
Transparent wear can be transparent high-abrasive material, generally composite fibre.Environmental protection protects chromatograph 109 not rubbed, pulled
Wear away.
The distribution type optical fiber sensing equipment for being used for speech recognition and going on patrol work attendance of the present embodiment, the He of sound sensing optic cable 103
The environmental protection chromatograph that the outside of communication cable 102 is provided with can play a part of secrecy, be not easy to be identified, and be adapted to secret obtain
Take relevant information.
Embodiment 3
It is with the difference of embodiment 1, the monitoring management platform 104 is also associated with display, alarm and beaten
Print machine equipment.
The distribution type optical fiber sensing equipment for being used for speech recognition and going on patrol work attendance of the present embodiment, monitoring management platform 104
There are display, alarm and printer apparatus, can be with display information in real time, alarm and type information.
Embodiment 4
It is with the difference of embodiment 1, as shown in figure 3, also including protecting the outer of the optical fiber sonic analyzer 101
Shell, the shell include sealing metal box 201, and the internal insulation of sealing metal box 201 is middle instrument room 2011 and two
2012 between the isolation of side；2012 inner sides are equipped with quieter material layer 202, the instrument room between the instrument room 2011 and isolation
First through hole 203 is provided between 2012 between 2011 and isolation, 2012 are outwards equipped with the second through hole 204 between the isolation；It is described
The outside of second through hole 204 is provided with blind 205；The inner bottom part of instrument room 2011 is provided with resilient support platform 206.
The distribution type optical fiber sensing equipment for being used for speech recognition and going on patrol work attendance of the present embodiment, blind 205 is noise reduction
Material is made, and quieter material is silencing cotton.
The distribution type optical fiber sensing equipment for being used for speech recognition and going on patrol work attendance of the present embodiment, in order to eliminate external sound
Interference, takes a series of quarantine measures.Resilient support platform 206 can ensure the optical fiber sonic analyzer being placed on it
101 keep stable as far as possible, reduce external environment acoustic jamming.
The distribution type optical fiber sensing equipment for being used for speech recognition and going on patrol work attendance of the present embodiment, sound is prevented provided with special
Sound disturb shell, can more preferable process signal, adapt to stubborn and stupid environment.
In summary, the only preferred embodiment of the utility model, does not limit the scope of protection of the utility model with this, all
The equivalent changes and modifications made according to the utility model patent scope and description, it is all what the utility model patent covered
Within the scope of.
Claims (8)
- A kind of 1. distribution type optical fiber sensing equipment for speech recognition and patrol work attendance, it is characterised in that includingSound sensing optic cable (103), disturbance information caused by ambient sound waves vibration is laid for monitoring；Communication cable (102), both ends connection sound sensing optic cable (103) and optical fiber sonic analyzer (101) respectively, for sound to be passed The disturbance information of sensing optical cable (103) is delivered to optical fiber sonic analyzer (101)；Optical fiber sonic analyzer (101), it is back rayleigh scattering optical information processing apparatus faint in optical fiber, for being sensed to sound Optical cable (103) launches narrow-band impulse laser, while the disturbance information of reception sound sensing optic cable (103), is obtained by disturbance information The position of vibrational perturbation and voiceprint；Monitoring management platform (104), it is central processing unit, optical fiber sonic analyzer (101) is connected by electric signal, for receiving The sonic data of optical fiber sonic analyzer (101), and carry out artificial intelligent voice identification, patrol personnel's Application on Voiceprint Recognition and sensitive word Language identifies, and records voice and vocal print.
- 2. distribution type optical fiber sensing equipment as claimed in claim 1, it is characterised in that the laying environment is national defence border The one kind of line, pipe gallery, oil and gas pipeline, the long 1km~200km of prison circumference in place；The sound sense light Cable (103) has a plurality of, and cloth is set in length and breadth netted.
- 3. distribution type optical fiber sensing equipment as claimed in claim 1, it is characterised in that the sound sensing optic cable (103) is pair The wideband vibrating sensing optical cable of 20Hz~20KHz Gao Min of human ear audible sound wave hard-pressed bale LF-response.
- 4. distribution type optical fiber sensing equipment as claimed in claim 1, it is characterised in that the communication cable (102) is common Armouring protects optical cable.
- 5. distribution type optical fiber sensing equipment as claimed in claim 1, it is characterised in that the optical fiber sonic analyzer (101) For optical fiber vibration measuring sensor-based system, selected from phase sensitive optical time domain reflectometer, coherent light time domain reflection meter, Michelson are directly detected One kind in interferometer, M-Z interferometers, sagnac interferometers.
- 6. distribution type optical fiber sensing equipment as claimed in claim 1, it is characterised in that the monitoring management platform (104) is also It is connected with display, alarm and printer apparatus.
- 7. distribution type optical fiber sensing equipment as claimed in claim 1, it is characterised in that the sound sensing optic cable (103) and logical One layer of environmental protection chromatograph (109) is equipped with outside news optical cable (102)；It is additionally provided with outside the environmental protection chromatograph (109) Bright wearing layer (110).
- 8. distribution type optical fiber sensing equipment as claimed in claim 1, it is characterised in that also include protecting the optical fiber sound wave point The shell of analyzer (101), the shell include sealing metal box (201), and sealing metal box (201) internal insulation is centre Instrument room (2011) between the isolation of both sides (2012)；It is equipped with and disappears on the inside of (2012) between the instrument room (2011) and isolation Sound material layer (202), first through hole (203) is provided between (2012) between the instrument room (2011) and isolation, between the isolation (2012) outwards it is equipped with the second through hole (204)；Blind (205) is provided with the outside of second through hole (204)；The instrument room (2011) inner bottom part is provided with resilient support platform (206).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721185128.5U CN207197660U (en) | 2017-09-15 | 2017-09-15 | A kind of distribution type optical fiber sensing equipment for speech recognition and patrol work attendance |
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| CN201721185128.5U CN207197660U (en) | 2017-09-15 | 2017-09-15 | A kind of distribution type optical fiber sensing equipment for speech recognition and patrol work attendance |
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| CN207197660U true CN207197660U (en) | 2018-04-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686046A (en) * | 2018-12-29 | 2019-04-26 | 杭州平普智能科技有限公司 | A kind of convict's abnormal feeling analysis management method and apparatus |
| WO2020157917A1 (en) * | 2019-01-31 | 2020-08-06 | 日本電気株式会社 | Optical fiber sensing system, state detection device, state detection method, and computer-readable medium |
| CN112364216A (en) * | 2020-11-23 | 2021-02-12 | 上海竞信网络科技有限公司 | Edge node content auditing and filtering system and method |
| CN116092484A (en) * | 2023-04-07 | 2023-05-09 | 四川高速公路建设开发集团有限公司 | Signal detection method and system based on distributed optical fiber sensing in high-interference environment |
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2017
- 2017-09-15 CN CN201721185128.5U patent/CN207197660U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686046A (en) * | 2018-12-29 | 2019-04-26 | 杭州平普智能科技有限公司 | A kind of convict's abnormal feeling analysis management method and apparatus |
| WO2020157917A1 (en) * | 2019-01-31 | 2020-08-06 | 日本電気株式会社 | Optical fiber sensing system, state detection device, state detection method, and computer-readable medium |
| JPWO2020157917A1 (en) * | 2019-01-31 | 2021-11-11 | 日本電気株式会社 | Fiber optic sensing system, state detector, state detection method, and program |
| JP7276356B2 (en) | 2019-01-31 | 2023-05-18 | 日本電気株式会社 | OPTICAL FIBER SENSING SYSTEM, STATE DETECTION DEVICE, STATE DETECTION METHOD, AND PROGRAM |
| US11846541B2 (en) | 2019-01-31 | 2023-12-19 | Nec Corporation | Optical fiber sensing system with improved state detection |
| CN112364216A (en) * | 2020-11-23 | 2021-02-12 | 上海竞信网络科技有限公司 | Edge node content auditing and filtering system and method |
| CN116092484A (en) * | 2023-04-07 | 2023-05-09 | 四川高速公路建设开发集团有限公司 | Signal detection method and system based on distributed optical fiber sensing in high-interference environment |
| CN116092484B (en) * | 2023-04-07 | 2023-06-09 | 四川高速公路建设开发集团有限公司 | Signal detection method and system based on distributed optical fiber sensing in high-interference environment |
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