CN103969415B - A kind of movable type water contamination data acquisition method - Google Patents
A kind of movable type water contamination data acquisition method Download PDFInfo
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- CN103969415B CN103969415B CN201410216892.9A CN201410216892A CN103969415B CN 103969415 B CN103969415 B CN 103969415B CN 201410216892 A CN201410216892 A CN 201410216892A CN 103969415 B CN103969415 B CN 103969415B
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Abstract
The present invention relates to a kind of movable type water contamination data acquisition system, including boats and ships, central server and be arranged on the water pollution detection module on described boats and ships, described central server and described water pollution detection module wirelessly carry out data interaction, described central processing unit has fixing IP reference address, described water pollution detection module includes single-chip microcomputer, GPS module, GPRS module and water quality detection sensor, the positional information of boats and ships described in described GPS module real-time detection, described water quality detection sensor is for dynamically monitoring the boats and ships water quality condition at different river location, described GPRS module is by vessel number, the latitude and longitude coordinates of position, the central server to assigned I P address is sent after detection time and the packing of water quality condition data.Present invention is mainly used for monitoring quality in watershed variation tendency, this device a small amount of is only needed to detect water contamination index on basin, visualization basin entirety water quality spatial and temporal distributions and the order of severity thereof accordingly, it is to avoid existing fixed water contamination data harvester only can the water quality of research and application point and monitor the defect that whole basin cost is high.
Description
Technical field
The present invention relates to a kind of dynamic collect system, be specifically related to a kind of movable type water contamination data acquisition method.
Background technology
One of water pollution problems most important restraining factors having become as China's socio-economic development, have caused the great attention of country and local government.In water pollution preventing and controlling, water quality monitoring work is the important means of pollution prewarning, persistent pollutant monitoring and regulation effect evaluation, has been subject to the attention of relevant department.
Traditional environmental water quality monitoring work is main based on manual site's sampling, Laboratory Instruments analysis.Although analysis means is complete in the lab, but Laboratory Monitoring exists that Monitoring frequency is low, sampling error big, Monitoring Data dispersion, can not reflect the defects such as pollution variety situation in time, it is difficult to meet government and enterprise carries out the demand of effective water environment management.
From the development trend of external environment monitoring and international advanced experience, the online auto monitoring of water quality has become as relevant department and obtains the effective means of successional Monitoring Data in time.According to the modern sensing principle such as chemical method, electrochemical process, spectrographic method and bioanalysis, comprehensively transport the advanced technologies such as automatic measurement technology, automatic control technology, Computer Applied Technology and communication network, generally it is fixedly mounted on monitoring point, water monitoring data can be obtained quickly and accurately, contribute to environmental administration and set up monitoring network collection Monitoring Data on a large scale, to determine pollution situation and the development trend of target area.Along with the development of monitoring technology and instrument and meter industry, environmental water quality monitoring work more starts to turn to main monitoring direction development to automatization, intellectuality and network.
At present, China has successively built up each and every one country's surface water quality automatic monitor station hundreds of in 10 major river valleys of seven big water systems, each place is according to environmental management needs, also several thousand local level surface water quality automatic monitor stations are established successively, but they only lay particular emphasis on monitoring major river valley, section and intersection, can not covering full quality in watershed spatial and temporal distributions to monitor in real time, this can not meet the current demand of Water Basin Water Pollution contingency management forever.If monitoring quality in watershed on a large scale, it is necessary to the quantity added is too many, and input cost is too high.Meanwhile, from the continuous on-line monitoring of industry spot, owing to monitoring equipment is dispersed in multiple place, basin, for guaranteeing to stablize, run reliably, it is necessary to adhere to putting into a large amount of human and material resources and the routine maintenance of financial resources.
In sum, defect for existing fixed online auto monitoring quality in watershed on a large scale, urgently seek the water quality on-line monitoring device of a kind of movable type, to reduce the operation cost monitoring quality in watershed spatial and temporal distributions on a large scale for target, safe operation for it provides practicable safe early warning, protection and emergence technology, has important directive significance to improving the emergent intelligentized level of safety management of Water Basin Water Pollution.
Summary of the invention
Actual towards monitoring quality in watershed spatial and temporal distributions, the invention provides a kind of movable type water contamination data acquisition system, in conjunction with GPS, the advanced information technology such as GIS and GPRS, water quality detection sensor is arranged on boats and ships, when boats and ships are when polluting river course, basin and travelling, utilize GPRS vessel number, the latitude and longitude coordinates of position, detection time and water quality condition send to control centre, the river course of the latitude and longitude coordinates of Auto-matching boats and ships and above-mentioned GIS module, sluice gate and region, the different ship water quality data in certain one monitoring point, river course is estimated exactly based on data anastomosing algorithm, calculate the water quality condition near this monitoring point accordingly, thus obtaining water quality distribution situation over time and space.Present invention is mainly used for monitoring water quality Spatial-Temporal Change Trend, around with the comprehensive quality in watershed data of least cost collection for target, cruised in regular intervals on basin Water Pollution Monitoring state by multiple mobile devices, thus reducing the probability of happening that accident causes basin to pollute.
The present invention program is achieved through the following technical solutions:
A kind of movable type water contamination data acquisition system, including boats and ships, central server and be arranged on the water pollution detection module on described boats and ships, described central server and described water pollution detection module wirelessly transmit data, described central processing unit has fixing IP reference address, described water pollution detection module includes single-chip microcomputer, GPS module, GPRS module and water quality detection sensor, the positional information of boats and ships described in described GPS module real-time detection, described water quality detection sensor is for dynamically monitoring the boats and ships water quality condition at different river location, described GPRS module is by vessel number, the latitude and longitude coordinates of position, the central server to assigned I P address is sent after detection time and the packing of water quality condition data.
Described central server is positioned at remote control center, including monitoring remote data transmission module, Valley GIS monitoring point matching module, the water quality data Fusion Module of monitoring point and water quality spatial and temporal distributions visualization model.
A kind of movable type water contamination data acquisition method, concretely comprises the following steps:
A Valley GIS platform built by a, central server, dynamic layer including river course, sluice gate, three, region static map layer and a Water-quality Monitoring Points, data form is river course (Name, sluice gate sequence), sluice gate (Name, described region ID), region (Name) and Water-quality Monitoring Points (Name, affiliated river course, affiliated area, water quality index detection sensor), each Water-quality Monitoring Points has a coordinate (Xi, Yi) (i=1,2 ..., M), total total M monitoring point；
B, according to polluting the channel length in basin, spacing distance between ship running speed and Water-quality Monitoring Points, calculate required ships quantity N, will be equipped with the boats and ships of water pollution detection module and sail river course into, the position coordinates of GPS module detection boats and ships, water quality condition in water quality detection sensor monitoring river course, GPRS module is by official number i ', the latitude and longitude coordinates detecting time t, boats and shipsAnd water quality conditionL ' is the quantity of different water contamination indexs detection sensor, carries out data packing according to the data form in step a, and sends to the central server of assigned I P address；
C, central server monitoring remote data transmission module receive the packing data that GPRS module sends, and carry out parsing the latitude and longitude coordinates of official number i, detection time t, positionAnd water quality conditionBy Valley GIS monitoring point matching module by the latitude and longitude coordinates of boats and shipsMate with the river course in GIS platform, sluice gate and region, from water quality monitoring point diagram layer, calculateTo mate current vessel position and certain Water-quality Monitoring Points, store to quality in watershed data base by the data form in step a；
D, central server read the different boats and ships water quality datas in each monitoring point, river course in water quality data storehouse, accurately calculate the current water quality condition in monitoring point based on data anastomosing algorithm, if calculating certain monitoring point i Ge Shui contamination index when detecting time tThe water quality data sequence of certain time scope is read from quality in watershed data baseFor the precision problem of transmission error, environment noise and Indexs measure sensor self, based on data anastomosing algorithm, the fusion results of individual for this L ' measurement data is set to water contamination index estimated valueStore to current water quality data storehouse by above-mentioned data form, wjFor moment i-L '+j measurement data selfWeight coefficient, meetE, central server are from the Mei Zhong water contamination index of certain monitoring point currentIn conjunction with water standard, it is judged that Mei Zhong water contamination indexSpan, build comprehensive assessment monitoring point water quality quality functionAnd associate with the river course of GIS module, sluice gate and region, in conjunction with water quality pollution norms, when the water quality condition different time scales in river course remembers corresponding color, visualization basin entirety water quality spatial and temporal distributions and the order of severity thereof accordingly.
Disclosed a kind of movable type water contamination data acquisition system, improve owing to have employed above-mentioned several measure, build the water based on GPS and GPRS and pollute acquisition system, they are arranged on boats and ships, when boats and ships travel in river course, basin, obtain the different boats and ships water quality data in each monitoring point in real time, the water quality order of severity of all monitoring points is estimated preparatively based on data fusion, only can the water quality of research and application point and monitor the defect that whole basin cost is high thus avoiding existing fixed water contamination data harvester.The invention provides a set of low cost, low error and efficient water quality spatial and temporal distributions monitoring technology, being cruised in regular intervals on basin Water Pollution Monitoring state by multiple mobile devices, polluting safety emergency management early warning for basin provides practicable Data safeguard.
Accompanying drawing explanation
Fig. 1 is system framework figure of the invention process；
Fig. 2 is flow chart of the invention process.
Detailed description of the invention
It is described further below in conjunction with accompanying drawing provided by the present invention:
As shown in Figure 1, a kind of movable type water contamination data acquisition system, including boats and ships, central server and be arranged on the water pollution detection module on described boats and ships, described central server and described water pollution detection module wirelessly transmit data, described central processing unit has fixing IP reference address, described water pollution detection module includes single-chip microcomputer, GPS module, GPRS module and water quality detection sensor, the positional information of boats and ships described in described GPS module real-time detection, described water quality detection sensor is for dynamically monitoring the boats and ships water quality condition at different river location, described GPRS module is by vessel number, the latitude and longitude coordinates of position, the central server to assigned I P address is sent after detection time and the packing of water quality condition data.
Described central server is positioned at remote control center, including monitoring remote data transmission module, Valley GIS monitoring point matching module, the quality in watershed data base of monitoring point and water quality spatial and temporal distributions visualization model.
Described water pollution detection module is using STM32f103RBT6 single-chip microcomputer as microcontroller, described GPS module is connected with single-chip microcomputer foundation by URAT serial ports, described GPRS module is connected with single-chip microcomputer foundation by RS232 serial ports, described water quality detection sensor includes common water quality detection sensor module, as: ph, nitrogen, water-soluble oxygen etc., carry out data interaction by I/O port and single-chip microcomputer.
Described boats and ships can travel by manual or automatic cruising manner on river course, basin.
As in figure 2 it is shown, disclosed a kind of movable type water contamination data acquisition method, specifically include step:
A, central server are according to the channel length L polluting basin, determine the quantity M of monitoring point, build a Valley GIS platform, dynamic layer including river course, sluice gate, three, region static map layer and a Water-quality Monitoring Points, data form is river course (Name, sluice gate sequence), sluice gate (Name, described region ID), region (Name) and Water-quality Monitoring Points (Name, affiliated river course, affiliated area, water quality index detection sensor), each Water-quality Monitoring Points has a coordinate (Xi, Yi) (i=1,2 ..., M), the access IP address of described central server is set, initializes connected mode between data acquisition unit and the server on every institute boats and ships；
B, according to polluting the channel length L in basin, interval T between ship running average speed v and Water-quality Monitoring Points0, calculate required ships quantity N=(L/v)/T0, will be equipped with the boats and ships of water pollution detection module and sail river course into, the position coordinates of GPS module detection boats and ships, water quality condition in water quality detection sensor monitoring river course, GPRS module is by official number i, the latitude and longitude coordinates detecting time t, boats and shipsAnd water quality condition(L is the quantity that sensor detects in different water contamination indexs) carries out data packing according to the data form in step a, and sends to the central server of assigned I P address；
C, central server monitoring remote data transmission module receive the packing data that GPRS module sends, and carry out parsing the latitude and longitude coordinates of official number i, detection time t, positionAnd water quality conditionBy Valley GIS monitoring point matching module, by the latitude and longitude coordinates of boats and shipsMate with the river course in GIS platform, sluice gate and region, from water quality monitoring point diagram layer, make j=1, k=-1 and Temp=+ ∞, to j=j+1≤M, ifThenAnd k=j, calculateTo mate current vessel position and certain Water-quality Monitoring Points, store to quality in watershed data base by the data form in step a；
D, central server read the different boats and ships water quality datas in each monitoring point, river course in water quality data storehouse, accurately calculate the current water quality condition in monitoring point based on data anastomosing algorithm, each water contamination index if calculating certain monitoring point i, to moment tFor the precision problem of transmission error, environment noise and Indexs measure sensor self, based on data anastomosing algorithm, at time series water quality dataBasis is estimated water contamination index estimated valueStore to current water quality data storehouse by above-mentioned data form, wjFor moment i-L+j measurement data selfWeight coefficient, meetKey step is as follows:
Step 1: the relative distance between definition measurement data
Step 2: the function for support calculated between data isObtain Support matrix R={rmn}LL；
Step 3: according to Information Sharing principle, meets W=RV (w={w1, w2..., wL, V={v1, v2..., vL), i.e. wj=v1rj1+v2rj2+…+vLrjL；
Step 4: according to eigenvector function λ V=RV, solve
E, central server are from the Mei Zhong water contamination index of certain monitoring point currentIn conjunction with water standard, it is judged that Mei Zhong water contamination indexSpan, build comprehensive assessment monitoring point water quality quality functionIn conjunction with 5 grades of waters standard, build the water quality quality comprehensive assessment function of monitoring point
, from the Mei Zhong water contamination index of certain monitoring point currentJudge the Mei Zhong water contamination index meeting different quality standardSpan(l represents the fine or not rank of water quality,It is the lower limit of this water quality index,It is its upper limit), they are associated with the river course of GIS module, sluice gate and region, when the water quality condition different time scales in river course remembers corresponding color (1: red, 2: yellow, 3: blue, 4: green, 5: purple), basin entirety water quality spatial and temporal distributions and the order of severity thereof are visualized accordingly.
Listed above is only specific embodiments of the invention.Obviously, the invention is not restricted to above example, can also there be many deformation, as: the present invention is directly used in the monitoring of quality in watershed spatial and temporal distributions, can adopting the data transfer modes such as 3G, Zeegbe technology, can pass through the different water contamination index of water quality index detection Choice of Sensors detection, expansible different pieces of information blending algorithm is to improve precision, including method of least square, bayes method etc., use for reference its method, theory and technology route solution mobile water quality test problems.All deformation that those of ordinary skill in the art can directly derive from present disclosure or associate, are all considered as protection scope of the present invention.
Claims (1)
1. a movable type water contamination data acquisition method, it is characterised in that:
A, central server are according to the channel length L polluting basin, determine the quantity M of monitoring point, building a Valley GIS platform, including the dynamic layer of river course, sluice gate, three, region static map layer and a Water-quality Monitoring Points, wherein the data form in river course is Name and sluice gate sequence；The data form of sluice gate is Name and described region ID；The data form in region is Name；The data form of Water-quality Monitoring Points is Name, affiliated river course, affiliated area and water quality index detection sensor, and each Water-quality Monitoring Points has a coordinate (Xi, Yi), i=1,2 ..., M, the access IP address of described central server is set, initializes connected mode between data acquisition unit and the server on every institute boats and ships；
B, according to polluting the channel length L in basin, interval T between ship running average speed v and Water-quality Monitoring Points0, calculate required ships quantity N=(L/v)/T0, will be equipped with the boats and ships of water pollution detection module and sail river course into, the position coordinates of GPS module detection boats and ships, water quality condition in water quality detection sensor monitoring river course, GPRS module is by official number i ', the latitude and longitude coordinates detecting time t, boats and shipsAnd water quality conditionL ' is the quantity of different water contamination indexs detection sensor, carries out data packing according to the data form in step a, and sends to the central server of assigned I P address；
C, central server monitoring remote data transmission module receive the packing data that GPRS module sends, and carry out parsing the latitude and longitude coordinates of official number i ', detection time t, positionAnd water quality conditionBy Valley GIS monitoring point matching module, by the latitude and longitude coordinates of boats and shipsMate with the river course in GIS platform, sluice gate and region, from water quality monitoring point diagram layer, calculateTo mate current vessel position and certain Water-quality Monitoring Points, store to quality in watershed data base by the data form in step a；
D, central server read the different boats and ships water quality datas in each monitoring point, river course in water quality data storehouse, accurately calculate the current water quality condition in monitoring point based on data anastomosing algorithm, if calculating certain monitoring point i Ge Shui contamination index when detecting time tThe water quality data sequence of certain time scope is read from quality in watershed data baseFor the precision problem of transmission error, environment noise and Indexs measure sensor self, based on data anastomosing algorithm, the fusion results of individual for this L ' measurement data is set to water contamination index estimated valueStore to current water quality data storehouse by above-mentioned data form, wjFor moment t-L '+j measurement data selfWeight coefficient, meet
E, central server are from the Mei Zhong water contamination index of certain monitoring point currentIn conjunction with water standard, it is judged that Mei Zhong water contamination indexSpan, build comprehensive assessment monitoring point water quality quality functionIn conjunction with 5 grades of waters standard, build the water quality quality comprehensive assessment function of monitoring point
,
From the Mei Zhong water contamination index of certain monitoring point currentJudge the Mei Zhong water contamination index meeting different quality standardSpanWherein l represents the fine or not rank of water quality,It is the lower limit of this water quality index,It is its upper limit, they are associated with the river course of GIS module, sluice gate and region, when the water quality condition different time scales in river course remembers corresponding color, wherein 1: red, 2: yellow, 3: blue, 4: green, 5: purple, visualization basin entirety water quality spatial and temporal distributions and the order of severity thereof accordingly.
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| CN109187899A (en) * | 2018-09-05 | 2019-01-11 | 温州大学 | A kind of long-range multi-parameter water quality measuring device of boat-carrying and method |
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| CN109470828A (en) * | 2018-11-07 | 2019-03-15 | 青海中水数易信息科技有限责任公司 | A kind of river and lake health monitoring method based on multisource data fusion |
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Effective date of registration: 20190904 Address after: 200 000 7 storeys of building 1325 Hengnan Road, Minhang District, Shanghai Patentee after: Shanghai Li Yuan Environmental Protection Testing Technology Co., Ltd. Address before: 226019 Jiangsu Province, Nantong City Chongchuan District sik Road No. 9 Patentee before: Nantong University |