CN108416996A - Sonic location system based on urban road affiliated facility and its application method - Google Patents
Sonic location system based on urban road affiliated facility and its application method Download PDFInfo
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- CN108416996A CN108416996A CN201810397447.5A CN201810397447A CN108416996A CN 108416996 A CN108416996 A CN 108416996A CN 201810397447 A CN201810397447 A CN 201810397447A CN 108416996 A CN108416996 A CN 108416996A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/012—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using recorded signals, e.g. speech
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Abstract
The invention discloses sonic location systems and its application method based on urban road affiliated facility, including several voice collection devices and Data Analysis Services center, the roof of spare space or low-rise building on several voice collection device combination urban road affiliated facilities is arranged；When in use, Data Analysis Services center judges the state of acoustic information according to position, the classification for crossing the collected unified acoustic information of three or more voice collection devices, and by the type of the acoustic information, sound source position by specific network interface transfers to relevant departments, while publishing early warning on specified platform.The present invention can position the accurate location of the generations of great occurred events of public safety such as explosion or gunslinging in 0.5 to 1 minute, error can be less than 30 meters, and voice collection device is arranged in combination with urban roads affiliated facilities such as existing street lamp, signal lamp sign boards, it is at low cost without adding special affiliated facility in urban road for the system.
Description
Technical field
The present invention relates to city safe guard warning device technical fields, more particularly to based on urban road affiliated facility
Sonic location system and its application method.
Background technology
With the fast development of urbanization, various municipal public safety risks are more and more obvious, and such as significant explosion accident is handed over
Interpreter's event, attack of terrorism etc..City space is narrow, densely populated, road is crisscross, once the disaster occurred in city
It can not be handled, will be brought challenges to social construction and development in time.Urban Public Safety System is further improved, ensures city
The most basic demand for security of city's population, this is the hope of people, and administer responsibility and development basis.
Currently, each big city has formd the fast reaction team for municipal public safety both at home and abroad, but how to allow
They know that occurent particular event still has some problems as early as possible.It is currently being widely used the spy of telephone alerting system
Property the police may be made to grasp gunslinging, the time of explosion or similar incidents postpones significantly.First, the people nearest from scene is likely to just
It is being busy with escaping and finding shielding, it is relatively low in the possibility dialed the police emergency number at the first time.Secondly, those distance fields are slightly remote
People have an opportunity to squeeze into alarm call emergency, but they do not know the accurate location and property of event probably.Meanwhile it is alert
The process that square operator asks for specific location information to panic caller may also occasion a delay.
Therefore be badly in need of it is a kind of can be based on the sonic location system of urban road affiliated facility, quickly and effectively to various spies
Different sound is positioned.
Invention content
In view of the drawbacks described above of the prior art, the present invention provides the sonic location system based on urban road affiliated facility
And its application method, the first purpose of realization be the accurate location of the specific sounds such as such as shot or explosive sound is carried out it is quickly true
Determine and issues early warning in time.
To achieve the above object, the invention discloses the sonic location systems based on urban road affiliated facility, if including
Dry voice collection device and Data Analysis Services center, on several voice collection device combination urban road affiliated facilities
The roof of spare space or low-rise building is arranged；
The voice collection device includes power supply module, omnidirectional microphone module, data cache module, locating module sum number
According to transmission module；The locating module uses the position of GPS, GLONASS or Big Dipper location technology to the voice collection device
It is positioned, the power supply module is connect with urban distribution network or self-provided foreign exchange obtains supply of electric power；
The Data Analysis Services center includes harvester management module, sound source extraction process module, auditory localization mould
Block, sound source type judging module and information issuing module；
The harvester management module nationality is concentrated by the network equipment to be connected and manages several voice collection devices, and
It is connect with the sound source extraction process module；
The sound source extraction process module respectively with the harvester management module, the auditory localization module and described
Sound source type judging module connects, and will be sent to the sound after the acoustic information system that the harvester management module obtains
Source locating module and the sound source type judging module；
The auditory localization module carries out sampling analysis to the acoustic information that the sound source extraction process module exports,
Reached using the acoustic information time difference data of the different voice collection devices to the sound source of the acoustic information into
Row positioning, and send result to information issuing module；
The acoustic information that the sound source type judging module exports the sound source extraction process module compares
Judge, the acoustic information of sound source extraction process module output is subjected to audio database comparison, judges the sound
The types and sources of information, and send result to information issuing module；
The position of the type of the acoustic information, sound source is packaged and is connect by specific network by described information release module
Relevant departments are transported in oral instructions, while publishing early warning on specified platform.
Preferably, the part voice collection device is set to intersection, and apart from 3 meters of ground or more, 3 meters of surrounding it
It is interior without any blocking.
The part voice collection device is set in section, and its with adjacent sound harvester spacing not preferably less than
100m。
Preferably, the urban road affiliated facility is street lamp or signal lamp sign board.
Preferably, image collecting module is set in the voice collection device, whenever necessary, by the data analysis
The image collecting module is activated at reason center, acquires the video data or picture data of corresponding location.
Preferably, the self-provided foreign exchange is solar energy or wind power plant.
The present invention also provides a kind of application method of the sonic location system based on urban road affiliated facility, steps
It is rapid as follows：
A, each voice collection device acquires the sound in respective range by the omnidirectional microphone module
Message ceases, and is stored in the data cache module；
B, each voice collection device is sent out the collected acoustic information by the data transmission module
It is sent to the Data Analysis Services center；
C, the harvester management module at the Data Analysis Services center believes the sound that each is received
It ceases to be packaged with the location information of corresponding temporal information and the corresponding voice collection device and store, and establish database；
D, the sound source extraction process module is using the acoustic information at neural network machine learning algorithm, by special sound
Sound and ambient noise are mutually removed；
E, the auditory localization module carries out sampling analysis to the acoustic information that sound source extraction process module exports,
The acoustic information of same feature is found in three or more described voice collection devices, is just reached using the acoustic information
The time difference data of the different voice collection devices positions the sound source, and result is sent to information hair by network
Cloth module；
F, the acoustic information carry out sound that the sound source type judging module exports the sound source extraction process module
Sound database compares, and tentatively judges the types and sources of the acoustic information；The sequence of pressing degree from high to low is then pressed, it will
The audio analysis expert that the acoustic information submits to the Data Analysis Services center automatically carries out further manual review simultaneously
Result is sent to information issuing module by network；
G, the position of the type of the acoustic information, sound source is packaged and passes through specific network by described information release module
Interface is transmitted to relevant departments, while publishing early warning on specified platform.
Preferably, in the step c, when reporting an error or failing occur in the voice collection device, according to fixed to sound source
The influence degree priority orders of position accuracy decline, prompt operation maintenance personnel's on-call maintenance or replacement.
Preferably, in the step d, the especial sound refers to the sound that gunslinging or explosion generate.
Preferably, in the step e, it is described using the acoustic information reach the different voice collection devices when
Between difference data to carry out positioning to the sound source refer to that the time difference that the acoustic information reaches two voice collection devices determines
A pair using the voice collection device as the hyperbola of focus, using three voice collection devices can be formed two pairs it is double
Curve generates intersection point, recycles direction finding message to exclude False Intersection Points, just can determine that sound source position, formula are as follows：
Wherein, x and y is respectively the position coordinates of the acoustic information sound source；Xi and yi is respectively that i-th of the sound is adopted
The position coordinates of acquisition means；Ti is the time that i-th of voice collection device receives the acoustic information, and v is that sound wave exists
The speed propagated in air.
Beneficial effects of the present invention：
1. the present invention can position the accurate of the generations of great occurred events of public safety such as explosion or gunslinging in 0.5 to 1 minute
Position, error can be less than 30 meters；Tradition will be 3 to can determine thing after five minutes based on the method for telephone call in contrast
The spot of part, and there is inaccurate situation by the location information that the person of reporting provides.
2. the voice collection device in the present invention is in combination with urban roads affiliated facilities such as existing street lamp, signal lamp sign boards
Arrangement, and its power supply, signal transmission etc. can share, and without adding special affiliated facility in urban road for the system, use
Cost is relatively low.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 shows voice collection device structural schematic diagram in one embodiment of the invention.
The status diagram being set to Fig. 2 shows voice collection device in one embodiment of the invention in city.
Fig. 3 shows that voice collection device is set to the structural schematic diagram on signal lamp and street lamp in one embodiment of the invention.
Fig. 4 shows the structural schematic diagram at Data Analysis Services center in one embodiment of the invention.
Specific implementation mode
Embodiment
As shown in Figure 1 to Figure 3, the sonic location system based on urban road affiliated facility, including several sound collections dress
It sets with Data Analysis Services center, the spare space on several voice collection device combination urban road affiliated facilities, or
The roof of person's low-rise building is arranged；
The voice collection device includes power supply module, omnidirectional microphone module, data cache module, locating module sum number
According to transmission module；The locating module uses the position of GPS, GLONASS or Big Dipper location technology to the voice collection device
It is positioned, the power supply module is connect with urban distribution network or self-provided foreign exchange obtains supply of electric power；
The Data Analysis Services center includes harvester management module, sound source extraction process module, auditory localization mould
Block, sound source type judging module and information issuing module；
The harvester management module nationality is concentrated by the network equipment to be connected and manages several voice collection devices, and
It is connect with the sound source extraction process module；
The sound source extraction process module respectively with the harvester management module, the auditory localization module and described
Sound source type judging module connects, and will be sent to the sound after the acoustic information system that the harvester management module obtains
Source locating module and the sound source type judging module；
The auditory localization module carries out sampling analysis to the acoustic information that the sound source extraction process module exports,
Reached using the acoustic information time difference data of the different voice collection devices to the sound source of the acoustic information into
Row positioning, and send result to information issuing module；
The acoustic information that the sound source type judging module exports the sound source extraction process module compares
Judge, the acoustic information of sound source extraction process module output is subjected to audio database comparison, judges the sound
The types and sources of information, and send result to information issuing module；
The position of the type of the acoustic information, sound source is packaged and is connect by specific network by described information release module
Relevant departments are transported in oral instructions, while publishing early warning on specified platform.
The principle of the present invention is, utilizes the urban road affiliated facility in street lamp, sign board etc. with certain altitude
Spare space lays several voice collection devices in the region for needing to monitor with a determining deviation；Wherein, each sound collection dress
It sets and all sends back collected time, setting position coordinate and collected audio data in Data Analysis Services in real time
The heart.
In Data Analysis Services center, the special sound such as gunslinging, explosion are distinguished using machine learning algorithms such as neural networks
Sound and ambient noise just utilize immediately once finding the sound of same feature in the short time in three or more harvesters
The time difference data that the sound reaches different acquisition device positions the sound source.
In conjunction with the audio database in Data Analysis Services center, the type of sound source and submitter can be further judged
Work is checked, and result is submitted relevant departments after confirmation, while publishing early warning on specified platform.
In certain embodiments, the part voice collection device is set to intersection, and apart from 3 meters of ground or more,
Without any blocking within 3 meters of surrounding.
The part voice collection device is set in section, and its with adjacent sound harvester spacing not preferably less than
100m。
In certain embodiments, the urban road affiliated facility is street lamp or signal lamp sign board.
In certain embodiments, setting image collecting module may be selected in the voice collection device, whenever necessary, by
The image collecting module is activated at the Data Analysis Services center, acquires the video data or picture data of corresponding location.
In certain embodiments, the self-provided foreign exchange is solar energy or wind power plant.
The present invention also provides a kind of application method of the sonic location system based on urban road affiliated facility, steps
It is rapid as follows：
A, each voice collection device acquires the sound in respective range by the omnidirectional microphone module
Message ceases, and is stored in the data cache module；
B, each voice collection device is sent out the collected acoustic information by the data transmission module
It is sent to the Data Analysis Services center；
C, the harvester management module at the Data Analysis Services center believes the sound that each is received
It ceases and is stored with the location means information package of corresponding temporal information and the corresponding sound collection, and establish database；
D, the sound source extraction process module is using the acoustic information at neural network machine learning algorithm, by special sound
Sound and ambient noise are mutually removed；
E, the auditory localization module carries out sampling analysis to the acoustic information that sound source extraction process module exports,
The acoustic information of same feature is found in three or more described voice collection devices, is just reached using the acoustic information
The time difference data of the different voice collection devices positions the sound source, and result is sent to information hair by network
Cloth module；
F, the acoustic information carry out sound that the sound source type judging module exports the sound source extraction process module
Sound database compares, and tentatively judges the types and sources of the acoustic information；The sequence of pressing degree from high to low is then pressed, it will
The audio analysis expert that the acoustic information submits to the Data Analysis Services center automatically carries out further manual review simultaneously
Result is sent to information issuing module by network；
G, the position of the type of the acoustic information, sound source is packaged and passes through specific network by described information release module
Interface is transmitted to relevant departments, while publishing early warning on specified platform.
In certain embodiments, in the step c, when reporting an error or failing occur in the voice collection device, according to
To the influence degree priority orders that acoustic source location accuracy declines, operation maintenance personnel's on-call maintenance or replacement are prompted.
In certain embodiments, in the step d, the especial sound refers to the sound that gunslinging or explosion generate.
In certain embodiments, described to reach the different sound collections using the acoustic information in the step e
The time difference data of device carries out positioning to the sound source, the acoustic information reach two voice collection devices when
Between difference determine a pair using the voice collection device as the hyperbola of focus, can shape using three voice collection devices
Intersection point is generated at two pairs of hyperbolas, recycles direction finding message to exclude False Intersection Points, just can determine that sound source position, formula are as follows：
Wherein, x and y is respectively the position coordinates of the acoustic information sound source；Xi and yi is respectively that i-th of the sound is adopted
The position coordinates of acquisition means；Ti is the time that i-th of voice collection device receives the acoustic information, and v is that sound wave exists
The speed propagated in air.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. the sonic location system based on urban road affiliated facility, it is characterised in that：Including several voice collection device sum numbers
According to analyzing processing center, the spare space on several voice collection device combination urban road affiliated facilities or low layer
The roof of building is arranged；
The voice collection device includes that power supply module, omnidirectional microphone module, data cache module, locating module and data pass
Defeated module；The locating module carries out the position of the voice collection device using GPS, GLONASS or Big Dipper location technology
Positioning, the power supply module is connect with urban distribution network or self-provided foreign exchange obtains supply of electric power；
The Data Analysis Services center includes harvester management module, sound source extraction process module, auditory localization module, sound
Source Type judgment module and information issuing module；
The harvester management module nationality is concentrated by the network equipment to be connected and manages several voice collection devices, and with institute
State the connection of sound source extraction process module；
The sound source extraction process module respectively with the harvester management module, the auditory localization module and the sound source
Type judging module connects, and determines the sound source is sent to after the acoustic information system that the harvester management module obtains
Position module and the sound source type judging module；
The auditory localization module carries out sampling analysis to the acoustic information that the sound source extraction process module exports, and utilizes
The time difference data that the acoustic information reaches the different voice collection devices determines the sound source of the acoustic information
Position, and send result to information issuing module；
The acoustic information that the sound source type judging module exports the sound source extraction process module carries out comparison judgement,
The acoustic information of sound source extraction process module output is subjected to audio database comparison, judges the acoustic information
The types and sources, and send result to information issuing module；
The position of the type of the acoustic information, sound source is packaged and is passed by specific network interface by described information release module
Relevant departments are transported to, while early warning is published on specified platform.
2. the sonic location system according to claim 1 based on urban road affiliated facility, which is characterized in that part institute
It states voice collection device and is set to intersection, and apart from 3 meters of ground or more, without any blocking within 3 meters of surrounding.
3. the sonic location system according to claim 2 based on urban road affiliated facility, which is characterized in that part institute
Voice collection device is stated to be set in section, and its with adjacent sound harvester spacing not preferably less than 100m.
4. the sonic location system according to claim 1 based on urban road affiliated facility, which is characterized in that the city
City's road affiliated facility is street lamp or signal lamp sign board.
5. the sonic location system according to claim 1 based on urban road affiliated facility, which is characterized in that the sound
Image collecting module is set on sound harvester, whenever necessary, activates the image to adopt by the Data Analysis Services center
Collect module, acquires the video data or picture data of corresponding location.
6. the sonic location system according to claim 1 based on urban road affiliated facility, which is characterized in that it is described from
Available electric equipment is solar energy or wind power plant.
7. the application method of the sonic location system according to claim 1 based on urban road affiliated facility, step is such as
Under：
A, each voice collection device acquires the sound in respective range by the omnidirectional microphone module and believes
Breath, and it is stored in the data cache module；
B, the collected acoustic information is sent to by the data transmission module by each voice collection device
The Data Analysis Services center；
C, the acoustic information that the harvester management module at the Data Analysis Services center receives each with
Corresponding temporal information and the corresponding voice collection device information package storage, and establish database；
D, the sound source extraction process module is using the acoustic information at neural network machine learning algorithm, by especial sound and
Ambient noise is mutually removed；
E, the auditory localization module carries out sampling analysis to the acoustic information that sound source extraction process module exports, at three
Or more the acoustic information of same feature is found in the voice collection device, just reached using the acoustic information different
The time difference data of the voice collection device positions the sound source, and sends result to information issuing module；
F, the sound source type judging module carries out sound number to the acoustic information that the sound source extraction process module exports
It is compared according to library, tentatively judges the types and sources of the acoustic information；The sequence of pressing degree from high to low is then pressed, it will be described
The audio analysis expert that acoustic information submits to the Data Analysis Services center automatically carries out further manual review and will knot
Fruit is sent to information issuing module；
G, the position of the type of the acoustic information, sound source is packaged and passes through specific network interface by described information release module
Relevant departments are transmitted to, while early warning is published on specified platform.
8. the application method of the sonic location system according to claim 7 based on urban road affiliated facility, feature
It is, in the step c, when reporting an error or failing occur in the voice collection device, declines according to acoustic source location accuracy
Influence degree priority orders, prompt operation maintenance personnel's on-call maintenance or replacement.
9. the application method of the sonic location system according to claim 7 based on urban road affiliated facility, feature
It is, in the step d, the especial sound refers to the sound that gunslinging or explosion generate.
10. the application method of the sonic location system according to claim 7 based on urban road affiliated facility, feature
It is, in the step e, the time difference data pair that the different voice collection devices are reached using the acoustic information
The sound source carries out positioning, and the time difference that the acoustic information reaches two voice collection devices determines a pair with institute
The hyperbola that voice collection device is focus is stated, two pairs of hyperbolas can be formed using three voice collection devices to generate
Intersection point recycles direction finding message to exclude False Intersection Points, just can determine that sound source position, formula are as follows：
Wherein, x and y is respectively the position coordinates of the acoustic information sound source；Xi and yi is respectively i-th of sound collection dress
The position coordinates set；Ti is the time that i-th of voice collection device receives the acoustic information, and v is sound wave in air
The speed of middle propagation.
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| CN201810397447.5A CN108416996A (en) | 2018-04-28 | 2018-04-28 | Sonic location system based on urban road affiliated facility and its application method |
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Application publication date: 20180817 |