CN108801449A - A kind of urban traffic noise inquiry system of wireless monitor - Google Patents
A kind of urban traffic noise inquiry system of wireless monitor Download PDFInfo
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- CN108801449A CN108801449A CN201810745680.8A CN201810745680A CN108801449A CN 108801449 A CN108801449 A CN 108801449A CN 201810745680 A CN201810745680 A CN 201810745680A CN 108801449 A CN108801449 A CN 108801449A
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- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
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Abstract
A kind of urban traffic noise inquiry system of wireless monitor, including noise monitoring device, radio network gateway, noise data storage server, noise data processing server, Cloud Server and subscription client, at radio noise measuring node, the noise data under the node is measured using noise monitoring device, noise monitoring device is the noise level indicator that the spectrum analysis meter with WiFi function is integrated with sound level meter, it is arranged to the geographical location of radio noise measuring node, and comes out specific position by Labeling Coordinate in map.
Description
Technical field
The present invention relates to a kind of urban traffic noise inquiry systems.Especially a kind of urban traffic noise of wireless monitor
Inquiry system.
Background technology
With the increase of vehicle population and road traffic congestion degree, traffic noise has become the primary pollution source in city
One of.When noise abatement 55dB and it is following when, on resident influence it is relatively small；And noise when reaching 70dB or more to occupying
People's body and mind and environment cause seriously to pollute.With urban ecology civilization construction, more people are concerned about the strong of the living environment of oneself
The focus of Kang Shuiping, these environmental concerns include not only weather conditions, and air PM indexes further include urban transportation noise figure,
And Pollution of City Traffic measurement data amount is big, and information processing relative difficulty.
Invention content
The present invention provides a kind of urban traffic noise of wireless monitor and looks into overcome the shortcomings of prior art
Inquiry system largely can timely handle noise data.
To achieve the goals above, the technical scheme is that：A kind of urban traffic noise inquiry system of wireless monitor
System, including noise monitoring device, radio network gateway, noise data storage server, noise data processing server, Cloud Server
And subscription client measures the noise data under the node at radio noise measuring node using noise monitoring device,
And noise data is uploaded to noise data storage server by radio network gateway, noise data storage server stores this and makes an uproar
Sound data, noise data processing server carry out analyzing processing to noise data, and the result of analyzing processing is uploaded to cloud service
Device, Cloud Server are sent to subscription client by internet；Noise monitoring device is the spectrum analysis meter with WiFi function
The noise level indicator integrated with sound level meter, the geographical location of setting to radio noise measuring node, and will be specific in map
Position is come out by Labeling Coordinate.
Advantageous effect：
(1) present invention uses the noise level indicators with radio function, can monitor node noise in real time；
(2) algorithm optimization number of nodes is used, to measure large-scale noise data with less node, is greatly dropped
Low system cost；
(3) in order to effectively administer traffic pollution, the present invention, which is devised, to be stored by real time information sampling, big data cloud, is real
When data trend analysis etc. urban traffic noise is monitored in real time, and simulated by historical data, find noise pollution rule
Rule, to obtain pollution control improved period and traffic noise warning information；
(4) present invention integrates the functions such as monitoring, storage, data analysis and mobile terminal transmission, can be more just
Prompt meets understanding demand of the resident to urban transportation noise figure；
(5) the city noise problem that present invention is generally directed to be concerned about in the common people designs and develops collection city noise and adopts
Collection, information sharing and APP inquiries are combined, and the common people is allowed easily can easily to recognize by internet or mobile phone terminal APP
The noise pollution index on periphery.
Description of the drawings
Fig. 1 is that the system of the present invention constitutes block diagram；
Fig. 2 is the map denotation with noise mark of the present invention；
Fig. 3 is that the noise of the present invention changes curve graph at any time；
Fig. 4 is the noise monitoring device structural schematic diagram of the present invention；
Fig. 5 is the determination flow chart of the radio noise measuring node of the present invention；
Specific implementation mode
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
A kind of urban traffic noise inquiry system of wireless monitor, including noise monitoring device, radio network gateway, noise number
According to storage server, noise data processing server, Cloud Server and subscription client, at radio noise measuring node,
The noise data under the node is measured using noise monitoring device, and noise data is uploaded to noise number by radio network gateway
According to storage server, noise data storage server stores the noise data, noise data processing server to noise data into
The result of row analyzing processing, analyzing processing is uploaded to Cloud Server, and Cloud Server is sent to subscription client by internet.
Noise monitoring device is the noise level indicator that the spectrum analysis meter with WiFi function is integrated with sound level meter, setting
To the geographical location of radio noise measuring node, and specific position is come out by Labeling Coordinate in map.
Noise level indicator uses embedded system, using the double-core chip architecture of ARM+DSP, including DSP computing units and
ARM Data Management Unit, DSP computing units include microphone, preamplifier, signal condition instrument, A/D converter, RS-232
Interface, SDRAM storage and dsp chip, ARM Data Management Unit include LCD display modules, GPS module, SDRAM storage,
Ethernet interface, FLASH storages and arm processor,
Microphone picks up ambient noise signal, translates into analog electrical signal, completes the acquisition of noise signal, simulation electricity
Signal input a/d converter after the amplification of preamplifier and signal condition instrument conditioning, carries out analog-to-digital conversion, number
Signal carries out sound pressure level in dsp chip and is calculated environmental noise data, and by RS-232 interfaces by environmental noise data
It is transmitted to arm processor；
Arm processor receives environmental noise data, by the data of reception GPS module, extracts desired position information,
And XML document is mapped as data packet, encapsulation the machine number and password are wrapped as instruction, pass through Ethernet interface
Data packet and instruction packet are sent to noise data storage server, staff carries out on noise level indicator as needed
Field assay shows, in a manner of patterned includes in LCD display module by data.
The WiFi of the system covers all radio noise measuring nodes, and radio noise measuring node is stored with noise data
Communication between server is the communication mode of shared variable and remote browser that LabVIEW is provided, noise data storage clothes
Business device, noise data processing server and Cloud Server are the modes of TCP/IP communication, and system uses modularized design.
Noise data processing server draws real-time noise and becomes cardon according to Real-time Monitoring Data, in conjunction with map, draws
3D noise qualitative change cardons analyze the region and period for determining that noise hazard is more serious according to the historical data of acquisition, and
Pointedly propose control strategy, the measures for example, truck and heavy vehicle restrict driving, forbid honking etc., and pass through Cloud Server
Control strategy is sent to subscription client.
Cloud Server is provided with traffic noise on urban roads early warning system, including GIS operation modules, Environmental noise assessment
Module, noise analysis module are with laws and regulations database, GIS operation modules, Environmental noise assessment module, noise analysis module
By corresponding data engine access noise data storage server, GIS operation modules for realizing map operation, data query,
The function of data edition, Environmental noise assessment module generate isopleth and the exceeded data of noise, noise analysis module be used for into
The calculating of row equivalent sound level, the inquiry of noise temporal curve statistical, noise, noise abatement simulation, laws and regulations database are mainly used for providing
Corresponding legal basis.
Subscription client is equipped with traffic noise early warning feedback APP, and APP tune is realized on the basis of carrying out data analysis
With APP realizations mainly realize function：Data statistics, online real-time 24 hours continuous acquisition radio noise measuring nodes
The corresponding data of city noise pollution index, real-time display and record storage prison are carried out in a manner of number, figure and image
Measurement information；Fault alarm can set the alarm limits of each radio noise measuring node, when there is radio noise measuring node
Automatically alarm signal is sent out when data exception, type of alarm includes：Live multimedia acousto-optic alarm, networking client alarm, electricity
Audio alert, intelligent terminal short message alarm are talked about, warning message is uploaded and carries out local and long-range monitoring and lead at different times
Know different operators on duty；WEB information is read, and administrative staff, which directly log in WEB platform affiliated noise monitoring can be seen, to be set
Standby operation conditions；APP information is read, and by data query and APP, city noise monitoring knot is checked and read by mobile terminal
Fruit；Equipment is issued, and Environmental Protection Agency or environment supervision department feed back APP by traffic noise early warning and issued into row information, generate two
Dimension code is posted in public domain, makes the common people that can learn the concrete condition of neighbouring environmental quality in real time by intelligent terminal scanning.
Wherein, when subscription client enters the overlay areas WiFi of noise monitoring device, will be required to hold by access point
The relevant authentication process of row, is assigned to noise data processing server, herein mistake by load balancing in rear end by authentication request
Cheng Zhong, user login information are saved in Cloud Server.
In this way, just completing authorizing procedure, after the completion of authentication, which can access WiFi network.
Wherein, it includes on corresponding map node that the real-time display of graphics mode, which is by results of measuring, and selection is more than 70dB
As red early warning region；The section [55dB, 70dB] is set as orange warning region；It is set as green area less than 55dB.
Wherein, data exception refers to that noise curve was shown in certain time, marks noise measuring and calculating value according to time shaft
In plane right-angle coordinate, to obtain influence of noise and fluctuation range, noise level is continuously in red early warning region
It is interior, it is thus regarded that it has reached warning level.
The period of traffic prewarning is determined by the historical data in odd-numbered day, and more days historical datas is needed to be imitated
Pre-warning time section is determined after true and average statistical analyzing processing.
Wherein, the determination process of radio noise measuring node is as follows：
Step 1, urban road type is carried out summarizing arrangement, classifies, is determined as：Through street, trunk roads and secondary dry
Road three categories, the road length for measuring each urban road type is respectively LK、LZAnd LC；
Step 2, through street is using 1km as interval, and using 0.8km as interval, secondary distributor road is arranged trunk roads by interval of 1.5km
Monitor sample node；
Wherein, noise monitoring device is set at monitor sample node, and the measuring point specific location of noise monitoring device is：It surveys
Point be selected at the curb 20cm from driveway, 50m should be greater than from crossing, the Sensitive Buildings beyond the region of objective existence lm that traffic noise directly affects
Locate, at sound barrier lm, the height of measuring point is 1.2m；
In conjunction with road type, crucial transport node, preliminary monitoring point is set, for subsequent optimization node provide sample according to
According to.
Step 3, the total m of three kinds of urban road type monitor sample nodes is countedK, mZ, mC, and in monitor sample node
Place measures equivalent sound level；
Step 4, calculation optimization number of nodes n, as follows：
Wherein, t：Critical value is examined, preferably：1.96；S：The noise that noise monitoring device measurement obtains
Sample standard deviation；σ：Noise testing allowable error, preferably 1.
The optimization node of three kinds of urban road types is respectively nK、nZAnd nC, then n=nK+nZ+nC, according to each city road
The road of road type is long, the number of nodes of calculation optimization, and formula is as follows：
Step 5, the equivalent sound level of each urban road type is standardized, processing formula is as follows：
Wherein, x'Ki, x'Zi, x'CiStandardization etc. at i-th of monitor sample node of respectively three kinds of urban road types
Imitate sound level；xKi, xZi, xCiActual measurement equivalent sound level at i-th of monitor sample node of respectively three kinds of urban road types；
xKmax, xZmax, xCmax, respectively three kinds of urban road type maximums actual measurement equivalent sound levels； xKmin, xZmin, xZminRespectively three kinds
Urban road type minimum surveys equivalent sound level；
Step 6, clustering,
From x'Ki、x'Zi、x'CiThe middle arbitrary selection n of differenceK、nZ、nCA composition cluster centre matrixIt counts respectively
Calculate the centre distance of three kinds of road types：
Wherein, j=1 ..., mK；
Wherein, j=1 ..., mZ；
Wherein, j=1 ..., mC；
The centre distance of three kinds of road types is calculated, obtains centre distance array
Step 7, data iteration,
According to minimization principle respectively from DK、DZ、DCTake minimum centers-distance from preceding nK、nZ、nCIt is a, corresponding point x
'Ki, x'Zi, x'CiNew cluster centre matrix is constituted, and executes step 6, loop iteration, when in certain road type again
When heart distance occurs 0, terminate this kind of road type iteration, minimum centers-distance from preceding nK、nZOr nCA corresponding point is formed most
The radio noise measuring node of the whole road type.
Embodiment described above only expresses one embodiment of the present invention, but can not therefore be interpreted as pair
The limitation of the scope of the invention.It should be pointed out that for those of ordinary skill in the art, not departing from present inventive concept
Under the premise of, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Claims (10)
1. a kind of urban traffic noise inquiry system of wireless monitor, including noise monitoring device, radio network gateway, noise data are deposited
Server, noise data processing server, Cloud Server and subscription client are stored up, at radio noise measuring node, is used
Noise monitoring device measures the noise data under the node, and noise data is uploaded to noise data storage by radio network gateway
Server, noise data storage server store the noise data, and noise data processing server analyzes noise data
Processing, the result of analyzing processing are uploaded to Cloud Server, and Cloud Server is sent to subscription client by internet；Noise monitoring
Equipment is the noise level indicator that the spectrum analysis meter with WiFi function is integrated with sound level meter, and radio noise measuring node is arrived in setting
Geographical location, and specific position is come out by Labeling Coordinate in map.
2. a kind of urban traffic noise inquiry system of wireless monitor according to claim 1, it is characterised in that：Noise is supervised
It surveys instrument and uses embedded system, using the double-core chip architecture of ARM+DSP, including DSP computing units and ARM data management lists
Member, DSP computing units include microphone, preamplifier, signal condition instrument, A/D converter, RS-232 interface, SDRAM storages
And dsp chip, ARM Data Management Unit includes LCD display module, GPS module, SDRAM is stored, Ethernet connects
Mouth, FLASH storages and arm processor,
3. a kind of urban traffic noise inquiry system of wireless monitor according to claim 2, it is characterised in that：Microphone
Ambient noise signal is picked up, analog electrical signal is translated into, completes the acquisition of noise signal, analog electrical signal passes through preposition amplification
Device and signal condition instrument amplification conditioning after input a/d converter, carry out analog-to-digital conversion, digital signal in dsp chip into
Environmental noise data is calculated in row sound pressure level, and environmental noise data is transmitted to arm processor by RS-232 interface；
4. a kind of urban traffic noise inquiry system of wireless monitor according to claim 3, it is characterised in that：At ARM
It manages device and receives environmental noise data, by receiving the data of GPS module, extract desired position information, and be mapped as XML document
As data packet, encapsulation the machine number and password are wrapped as instruction, are wrapped data packet and instruction by Ethernet interface
It is sent to noise data storage server, staff carries out field assay as needed on noise level indicator and shows, will count
Patterned mode is shown in LCD display module according to this.
5. a kind of urban traffic noise inquiry system of wireless monitor according to claim 1, it is characterised in that：The system
WiFi cover all radio noise measuring nodes, the communication between radio noise measuring node and noise data storage server
It is the communication mode of shared variable and remote browser that LabVIEW is provided, noise data storage server, noise data processing
Server uses modularized design with the mode that Cloud Server is TCP/IP communication, system；
Noise data processing server draws real-time noise and becomes cardon according to Real-time Monitoring Data, in conjunction with map, draws 3D noises
Qualitative change cardon analyzes the region and period for determining that noise hazard is more serious, and pointedly according to the historical data of acquisition
It is proposed control strategy, the measures for example, truck and heavy vehicle restrict driving, forbid honking etc., and plan will be controlled by Cloud Server
Slightly it is sent to subscription client；
Cloud Server is provided with traffic noise on urban roads early warning system, including GIS operation modules, Environmental noise assessment module,
Noise analysis module passes through phase with laws and regulations database, GIS operation modules, Environmental noise assessment module, noise analysis module
Data engine is answered to access noise data storage server, GIS operation modules are compiled for realizing map operation, data query, data
The function of collecting, Environmental noise assessment module generate isopleth and the exceeded data of noise, and noise analysis module is equivalent for carrying out
Sound level calculating, the inquiry of noise temporal curve statistical, noise, noise abatement simulation, laws and regulations database are mainly used for providing corresponding
Legal basis.
6. a kind of urban traffic noise inquiry system of wireless monitor according to claim 1, it is characterised in that：User visitor
Family end is equipped with traffic noise early warning feedback APP, realizes that APP is called on the basis of carrying out data analysis, and APP realizes main real
Now once function：Data statistics, the continuous city noise pollution for obtaining radio noise measuring node refers within online real-time 24 hours
The corresponding data of number, real-time display and record storage monitoring information are carried out in a manner of number, figure and image；Fault alarm,
The alarm limits that each radio noise measuring node can be set, send out automatically when there is the data exception of radio noise measuring node
Alarm signal, type of alarm include：Live multimedia acousto-optic alarm, networking client alarm, telephone phonic alarm, intelligent terminal
Short message alarm uploads warning message and carries out locally and remotely monitor to notify different operators on duty at different times；WEB
Information is read, and administrative staff directly log in WEB platform and affiliated noise monitoring device operation conditions can be seen；APP information is read,
By data query and APP, city noise monitoring result is checked and read by mobile terminal；Equipment is issued, Environmental Protection Agency or ring
Border supervision department feeds back APP by traffic noise early warning and is issued into row information, generates Quick Response Code and is posted in public domain, makes the common people
It can learn the concrete condition of neighbouring environmental quality in real time by intelligent terminal scanning.
7. a kind of urban traffic noise inquiry system of wireless monitor according to claim 1, it is characterised in that：User visitor
When family end enters the overlay areas WiFi of noise monitoring device, it will be required to execute relevant authentication process by access point,
Authentication request is assigned to noise data processing server by rear end by load balancing, and in the process, user login information is protected
It is stored in Cloud Server.
8. a kind of urban traffic noise inquiry system of wireless monitor according to claim 5, it is characterised in that：Figure side
It includes selecting to be more than 70dB as red early warning region on corresponding map node that the real-time display of formula, which is by results of measuring,；
The section [55dB, 70dB] is set as orange warning region；It is set as green area less than 55dB.
9. a kind of urban traffic noise inquiry system of wireless monitor according to claim 5, it is characterised in that：Data are different
It refers to noise curve to be shown in certain time, noise measuring and calculating value is labeled in plane right-angle coordinate according to time shaft,
To obtain influence of noise and fluctuation range, noise level is continuously in red early warning region, it is thus regarded that it has reached report
It is alert horizontal.
10. a kind of urban traffic noise inquiry system of wireless monitor according to claim 1, it is characterised in that wirelessly make an uproar
The determination process of sound measurement node is as follows：
Step 1, urban road type is carried out summarizing arrangement, classifies, is determined as：Through street, trunk roads and secondary distributor road three
Major class, the road length for measuring each urban road type is respectively LK、LZAnd LC；
Step 2, through street is using 1km as interval, and for trunk roads using 0.8km as interval, monitoring sample is arranged by interval of 1.5km in secondary distributor road
This node；
Wherein, noise monitoring device is set at monitor sample node, and the measuring point specific location of noise monitoring device is：Measuring point is selected in
Should be greater than 50m at curb 20cm from driveway, from crossing, at the Sensitive Buildings beyond the region of objective existence lm that traffic noise directly affects, in sound
At barrier lm, the height of measuring point is 1.2m；
Preliminary monitoring point is set in conjunction with road type, crucial transport node, sample foundation is provided for subsequent optimization node.
Step 3, the total m of three kinds of urban road type monitor sample nodes is countedK, mZ, mC, and surveyed at monitor sample node
Measure equivalent sound level；
Step 4, calculation optimization number of nodes n, as follows：
Wherein, t：Critical value is examined, preferably：1.96；S：The noise sample that noise monitoring device measurement obtains
Standard deviation；σ：Noise testing allowable error, preferably 1.
The optimization node of three kinds of urban road types is respectively nK、nZAnd nC, then n=nK+nZ+nC, according to each urban road class
The road of type is long, the number of nodes of calculation optimization, and formula is as follows：
Step 5, the equivalent sound level of each urban road type is standardized, processing formula is as follows：
Wherein, x'Ki, x'Zi, x'CiStandardization equivalent sound at i-th of monitor sample node of respectively three kinds of urban road types
Grade；xKi, xZi, xCiActual measurement equivalent sound level at i-th of monitor sample node of respectively three kinds of urban road types；xKmax, xZmax,
xCmax, respectively three kinds of urban road type maximums actual measurement equivalent sound levels；xKmin, xZmin, xZminRespectively three kinds of urban road classes
Type minimum surveys equivalent sound level；
Step 6, clustering,
From x'Ki、x'Zi、x'CiThe middle arbitrary selection n of differenceK、nZ、nCA composition cluster centre matrixIt calculates separately
The centre distance of three kinds of road types：
Wherein, j=1 ..., mK；
Wherein, j=1 ..., mZ；
Wherein, j=1 ..., mC；
The centre distance of three kinds of road types is calculated, obtains centre distance array
Step 7, data iteration,
According to minimization principle respectively from DK、DZ、DCTake minimum centers-distance from preceding nK、nZ、nCIt is a, corresponding point x'Ki, x'Zi,
x'CiNew cluster centre matrix is constituted, and executes step 6 again, loop iteration, when the centre distance of certain road type occurs
When 0, terminate this kind of road type iteration, minimum centers-distance from preceding nK、nZOr nCA corresponding point forms the final road class
The radio noise measuring node of type.
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| CN110266821A (en) * | 2019-07-19 | 2019-09-20 | 南京世竹软件科技有限公司 | A kind of storage system of Internet of Things monitoring big data |
| CN110850212A (en) * | 2019-11-21 | 2020-02-28 | 国网重庆市电力公司电力科学研究院 | Transformer substation noise remote monitoring and analyzing method and system based on Internet of things |
| CN110954208A (en) * | 2019-11-25 | 2020-04-03 | 广西博测检测技术服务有限公司 | Noise inspection method and equipment |
| CN111121953A (en) * | 2019-12-12 | 2020-05-08 | 广州地理研究所 | Dynamic visual monitoring method, device and equipment for noise |
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