CN110533266A - A kind of doubtful source of sewage analyzing and positioning method and system - Google Patents
A kind of doubtful source of sewage analyzing and positioning method and system Download PDFInfo
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- CN110533266A CN110533266A CN201910935496.4A CN201910935496A CN110533266A CN 110533266 A CN110533266 A CN 110533266A CN 201910935496 A CN201910935496 A CN 201910935496A CN 110533266 A CN110533266 A CN 110533266A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/152—Water filtration
Abstract
The present invention relates to water body environment detection technique fields, a kind of doubtful source of sewage analyzing and positioning method and system are provided, integrate automatic cruising, dynamic monitoring and instant analysis, it can be during completing daily cruise and water body data acquire, by the real-time calculating to data such as aquatic monitoring value, acquisition time, collection point coordinates, analysis speculates the spatial position of doubtful source of sewage；The monitoring mode of automatic cruising has evaded deficiency of the stationary monitoring equipment in terms of lower deployment cost；Doubtful source of sewage supposition is carried out using calculation method of the monitoring point numerical value change rate in conjunction with space vector, instead of the complex calculation mode carried out by the equipment such as sound wave, laser, and convenient for integrated application；The monitoring of automation, analysis, warning function, layman also can be used normally, and reduce the dependence to professional；The working efficiency that monitoring water environment and the positioning of doubtful source of sewage can effectively be promoted, reduces production management cost.
Description
Technical field
The present invention relates to water body environment detection technique fields, more particularly, to a kind of doubtful source of sewage analyzing and positioning side
Method and system.
Background technique
With deepening continuously to information-based, automatic technology research, the application of Internet of Things and big data in every field
It emerges one after another, for monitoring water environment and detection field, the demand to sophisticated equipment is also more more and more intense.Many institute's weeks
Know, either drinking water, agricultural water or industrial water, water quality monitoring to entire water environment protection, water pollution control and
Maintenance water environment health plays a crucial role.It therefore, can be dirty for water body for the effective monitoring and analysis of water environment
Dye object distribution, pollutant trace to the source, pollution channel analysis etc., accurate data basis and timely early-warning and predicting are provided.
Currently, the monitoring water environment to large area water source mainly carries out cruise monitoring using unmanned boat, host computer can be passed through
The equipment such as system, remote controler control the operation of unmanned boat, can support the switching of manual mode and automatic mode, can support
Different time intervals are acquired water body sensing data.
But the cruise detection of existing unmanned boat is only capable of being acquired data and analyzing, and lacks to having acquired data
It efficiently utilizes, for the prediction and warning aspect Shortcomings of doubtful source of sewage.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of doubtful source of sewage analyzing and positioning method and system, to solve or partially solve now
The problem of water environment detection mode can not carry out analyzing and positioning to doubtful source of sewage.
(2) technical solution
In order to solve the above-mentioned technical problem, according to a first aspect of the embodiments of the present invention, a kind of doubtful source of sewage point is provided
Analyse localization method characterized by comprising
S1, determines the exceeded three most collection points of target water monitoring data value in any collection period, described three
Collection point is followed successively by the first collection point, the second collection point and third collection point according to the size of superscale；
S2 is based on described three on the extended line of the line or the line of first collection point and the second collection point
The coordinate value and target water monitoring data value of collection point determine divergence point；
S3 draws ray from the third collection point to the divergence point, and the ray and the intersection point on waters boundary are
Doubtful sewage source position.
Preferably, in the S2, first collection point is L1 at a distance from the third collection point, and described second adopts
Integrate a little at a distance from the third collection point as L2；
The difference of the target water monitoring data value of first collection point and the third collection point is T1, described second
The difference of the target water monitoring data value of collection point and the third collection point is T2；
The distance of second collection point to the divergence point is L3, the distance of first collection point to the divergence point
For L4, the divergence point is determined according to L3/L4；
Wherein, L3/L4=(L2*T1) * k/ (L1*T2), k are the target water monitoring data value for sewage source position
Impact factor.
Preferably, the determination process of k includes:
It is assumed that k=1, determines the doubtful sewage source position；
K is modified according to the deviation of the doubtful sewage source position and actual sewage source position, until described doubt
Until being overlapped like sewage source position with actual sewage source position.
Preferably, the S1 further comprises:
S11 is acquired in target water multinomial in a collection period according to preset cruise track and collection rule
Water quality monitoring parameter；
S12 determines the target being averaged in multinomial water quality monitoring parameter superscale highest one be in current collection period
Water monitoring data；
S13, the target water monitoring data include multiple collection points, choose wherein maximum three collection points of superscale
Corresponding target water monitoring data value determines the divergence point.
Preferably, the cruise track in each collection period is identical with collection rule；
The collection rule includes time interval and the cruise track collection point Shang Ge of the adjacent collection period
Quantity and corresponding coordinate value.
Preferably, in the adjacent collection period, the obtained doubtful dirt is analyzed in the previous collection period
Water source position is the first sewage source position；
The doubtful sewage source position that analysis obtains in the latter collection period is the second sewage source position；
Taking the midpoint of first sewage source position and second sewage source position is the final doubtful source of sewage
Position.
According to a second aspect of the embodiments of the present invention, a kind of doubtful source of sewage analyzing and positioning system is provided, comprising: host computer
Management system, the Managing system of above position machine include:
Monitoring data management module, for determining exceeded three at most of target water monitoring data value in any collection period
A collection point, three collection points are followed successively by the first collection point, the second collection point and third according to the size of superscale and acquire
Point；
Doubtful source of sewage locating module, for the line or the line in first collection point and the second collection point
Coordinate value and target water monitoring data value on extended line based on three collection points determine divergence point；It is adopted by the third
Collection point draws ray to the divergence point, and the ray and the intersection point on waters boundary are doubtful sewage source position.
Preferably, the Managing system of above position machine further includes cruise management module, for setting the cruise rail of monitoring hull
Mark and collection rule；
Water quality data acquisition system and cruise drive system, water quality data acquisition system are disposed on the monitoring hull
System and cruise drive system are communicated to connect with the Managing system of above position machine；
The cruise drive system is used to receive the cruise instruction of the Managing system of above position machine, and controls the monitoring ship
Body presses default course line and cruises in target water；
The water quality data acquisition system is used to receive the acquisition instructions of the Managing system of above position machine, and according to preset
Collection rule acquires water sample parameter.
Preferably, the cruise drive system includes: dynamical system, cruise induction system and Position Fixing Navigation System；
The dynamical system is used to provide cruising power for the monitoring hull；
The cruise induction system is used to detect the barrier on the monitoring hull direction of travel；
The Position Fixing Navigation System is used to provide coordinate value positioning and navigation for the monitoring hull.
Preferably, the doubtful source of sewage analyzing and positioning system further includes mobile end control system, the mobile terminal control
System and Managing system of above position machine wireless communication connect, for cruise management module, monitoring data pipe described in remote control
Manage module and doubtful source of sewage locating module.
(3) beneficial effect
Doubtful source of sewage analyzing and positioning method and system provided in an embodiment of the present invention, according to source of sewage diffusion principle, benefit
Three collection points are determined with the most target water monitoring data values of superscale, according to the coordinate value and target water quality of three collection points
Monitoring data value determines divergence point, passes through the diverging to be drawn by the least collection point of superscale in these three collection points
The intersection point on the ray of point, the ray and waters boundary is doubtful sewage source position；And collection period is more, analysis prediction
Doubtful sewage source position it is more accurate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the connection schematic diagram of doubtful source of sewage analyzing and positioning system in the embodiment of the present invention；
Fig. 2 is the operation principle schematic diagram of doubtful source of sewage analyzing and positioning system in the embodiment of the present invention；
Fig. 3 is the flow chart of doubtful source of sewage analyzing and positioning method in the embodiment of the present invention；
Fig. 4 is the calculating analysis principle figure of doubtful source of sewage analyzing and positioning method in the embodiment of the present invention；
Fig. 5 is the calculating analysis principle figure of doubtful source of sewage analyzing and positioning method in another embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to fig. 1 and fig. 2, the embodiment of the present invention provides a kind of doubtful source of sewage analyzing and positioning system, comprising: monitoring
Hull 1, cruise drive system 2, water quality data acquisition system 3, power supply module 4, mobile end control system 5 and host computer management system
System 6 etc..
Wherein, carrier of the monitoring hull 1 as Water up cruise provides installation card slot and structure branch for relevant hardware devices
Support.Monitoring hull 1 specifically includes: ship hull, positioning navigating device cabin, cruise induction system card slot, dynamical system card slot, water
Matter data collection system card slot, power supply module cabin and bracket.Ship hull main structure is metal material, and card slot is plastics material
Material.
Specifically, ship hull is divided into bottom plate, side plate, deck and sealing ring.Bottom plate and side plate are hard metal material, are had
The characteristics such as anti-corrosion, wear-resisting, the two seamless connection, provide stable buoyancy for ship and ship-borne equipment；Deck is located at bottom plate and side
The top of hardened structure is agreed with completely with side plate top edge, and there is reflecting coating in upper surface, provides heat-insulated, waterproof for ship-borne equipment
Protection；Sealing ring is soft rubber material, provides protection for the airtightness of ship and safety, and includes sizes specification, with
It is suitble to the sealing of different location to need.
Position Fixing Navigation System cabin is located at bottom plate and side plate interior sides, provides placement space for Position Fixing Navigation System.
Cruise induction system card slot, is heat resistant plastice, is located in front of ship on the outside of side plate, for fixing sensing apparatus；Its
In, radar slot is located at underwater portion in above water, sonar card slot.
Dynamical system card slot is provided for dynamical system and is put positioned at the position to the rear of bottom plate and side plate interior sides for heat resistant plastice
Between emptying, guarantee the sealing with back plate connections for fixing power-equipment, and using sealing ring.
Water quality data acquisition system card slot is heat resistant plastice, is located at bottom plate and side plate interior sides, is water quality data acquisition system
Placement space is provided, for fixed acquisition equipment, and guarantees the sealing with back plate connections using sealing ring.
Power supply module cabin is located at bottom plate and side plate interior sides, provides placement space for power supply module.
Bracket is hard metal material, is located at deck upper surface, for fixing solar panels.
Wherein, cruise drive system 2 is used to receive the cruise instruction of the Managing system of above position machine, and controls the monitoring
Hull presses default course line and cruises in target water, specifically includes: Position Fixing Navigation System 201, cruise induction system 202 and power
System 203.
Specifically, Position Fixing Navigation System 201 is made of GPS module and communication module, for providing for the monitoring hull
Coordinate value positioning and navigation.GPS module is connected in communication module and dynamical system 203 using bimodulus high-precision GPS mould group
Microcontroller, the positioning for ship.Communication module in the present embodiment can use 4G communication module, using the formula of moving into
LTE mould group connects GPS module, the wireless transmission for data-signal and control instruction.
Further, cruise induction system 202 is made of radar sensor and sonar sensor, for detecting the monitoring
Barrier on hull direction of travel.Specifically, radar sensor uses millimetre-wave radar sensor, connects dynamical system 203
In microcontroller, for detecting the barrier of ship direction of travel, it can be achieved that automatic identification to floater and hiding
Obstacle.Sonar sensor uses monocrystalline sonar sensor, microcontroller is connected, for detecting the obstacle of underwater topography and suspension
Object is, it can be achieved that automatic dodging to suspension barrier in water.
Further, dynamical system 203 is used to provide cruising power for the monitoring hull, specifically includes: microcontroller,
A/D converter, control circuit, the first motor, the second motor, transmission device and propeller.
Specifically, core component of the microcontroller as entire cruise drive system 2, connect with GPS module, at the same also with
Radar sensor is connected with sonar sensor, on the one hand for cruising TRAJECTORY CONTROL, is on the other hand evaded for barrier and rail
Mark correction.
A/D converter connects microcontroller and control circuit, and the digital signal of microcontroller is converted to control circuit can
The analog signal of identification receives the instruction of microcontroller for control circuit.
Control circuit connects the first motor and the second motor, for controlling the first motor and the second motor
Revolving speed and steering, and then control speed and direction that ship is advanced.
First motor connects control circuit and propeller, drives the first motor by control circuit, and then drive spiral
Paddle rotation, provides cruising power for ship.
Second motor connects control circuit and transmission device, the second electric motor operation is driven by control circuit, thus band
Dynamic transmission device is mobile by arc track.
Transmission device connects the second motor and propeller, under the driving of the second motor, drives spiral propeller angle
Deflection provides cruise for ship and turns to.
Propeller connects the first motor and transmission device, advances for propulsion of vessels.
Further, water quality data acquisition system 3 mainly include pH value sensor, dissolved oxygen sensor, ammonia nitrogen sensor,
Turbidity sensor, water temperature sensor and data collector.
Specifically, pH value sensor supports RS485 agreement, connects data collector, the measurement for water PH value.
Dissolved oxygen sensor supports RS485 agreement, connects data collector, the measurement for Dissolved Oxygen in Water content.
Ammonia nitrogen sensor supports RS485 agreement, connects data collector, the measurement for water body ammonia-nitrogen content.
Turbidity sensor supports RS485 agreement, connects data collector, the measurement for turbidity.
Water temperature sensor supports RS485 agreement, connects data collector, the measurement for water temperature.
The core component that data collector is acquired and transmitted as data, supports RS485 agreement, is on the one hand communicated by 4G
Module and Managing system of above position machine communicate to connect, and are used for, and receive and upload water quality monitoring instruction；On the other hand it is sensed with pH value
Device, dissolved oxygen sensor, ammonia nitrogen sensor, turbidity sensor are connected with water temperature sensor, for adopting for water monitoring data
Collection and data transmission.
Further, power supply module 4 includes battery group, solar panels, power circuit, charging interface and power switch.
Battery group is connected for small battery, and connection solar panels, power circuit and control circuit mention for motor
For power resources.
Solar panels are Spliced type solar panels, connect battery group, provide electricity for battery group.
Power circuit connects battery group and control circuit, provides relay protection for electronic device.
Charging interface, is the switching accessory of battery charging, and connection battery charging mouth is matched to deck upper surface
There is electro-insulating rubber plug.
Power switch, including logic switch and indicator light are logical for opening and closing power supply road.
Further, Managing system of above position machine 6 is deployed in cloud server, and main realization is remotely controlled ship and water
The statistics of environmental monitoring data summarizes, and provides the analysis, positioning and warning function to doubtful source of sewage, and controls for mobile terminal
System 5 provides function support.Mainly positioned by user management module, cruise management module, monitoring data management module, source of sewage
Algorithm management module, doubtful source of sewage locating module, alarming and managing module composition.
Specifically, user management module 601, configuration and management for user information and user right.
Cruise management module 602, for ship information management and the corresponding cruise track setting of ship, collection rule
The management of setting.
Monitoring data management module 603 for the Statistic Query of water environment achievement data, and supports various dimensions a plurality of
Part summarizes function.It is managed concentratedly since the water monitoring data of monitoring hull acquisition concentrates on the module, passes through the mould
Block can determine the exceeded three most collection points of target water monitoring data value in any collection period, according to these three acquisitions
Point determines triangle, and carries out corresponding calculate to determine final doubtful sewage source position.
Source of sewage location algorithm management module 604 is edited and is saved to source of sewage location algorithm, can be with algorithm
Optimization and improvement, step up the accuracy and applicability of doubtful source of sewage analyzing and positioning.
Doubtful source of sewage locating module 605 counts the monitoring data of collection point using above-mentioned source of sewage location algorithm
It calculates, speculates the potential site of doubtful source of sewage automatically, and show by system interface.Specifically, in the first collection point and second
Based on the coordinate value and the determining hair of target water monitoring data value of three collection points on the line of collection point or the extended line of line
Scatterplot draws ray from third collection point to divergence point, and ray and the intersection point on waters boundary are doubtful sewage source position.
Alarming and managing module 606 can support system interface for the setting for critical point of alarming and the setting of type of alarm
Information alert and the alarm of alarm bell audio two ways.Independent alarm strategy configuration can be realized for different ships.
Further, mobile end control system 5 is mounted on intelligent mobile terminal, relies on the function of Managing system of above position machine 6
Interface realizes wireless communication connection, can remotely check to the control of cruise acquisition, water monitoring data real-time status, doubtful sewage
The positioning and alarm in source.Mainly positioned by subscriber identification module, cruise control module, monitoring water environment module, doubtful source of sewage
Module, automatic alarm module composition.
Specifically, the user management interface of Managing system of above position machine 6 is called, for identification user in subscriber identification module 501
Legitimacy, and then realize user and specified ship matching.
Cruise control module 502 calls the cruise management interface of Managing system of above position machine 6, for cruising specified ship
Route and monitoring collection rule are configured.
Monitoring water environment module 503 calls the monitoring data interface of Managing system of above position machine 6, acquires for real-time display
Time, collection point position, acquisition index amount.
Doubtful source of sewage locating module 504 calls the doubtful source of sewage locating interface of Managing system of above position machine 6, for showing
Show the position of doubtful source of sewage.
Automatic alarm module 505 calls the alert notice interface of Managing system of above position machine 6, passes through APP
(Application, application program) notice and short message two ways send warning message from trend user.
It is provided with source of sewage location algorithm management module in Managing system of above position machine in the embodiment of the present invention, can be used for pair
Source of sewage location algorithm is edited and is saved.Although providing a kind of change according to water quality indicator in the embodiment of the present invention to speculate
The analyzing and positioning algorithm of doubtful source of sewage, but user can also optimize and improve to algorithm, step up doubtful source of sewage
The accuracy and applicability of analyzing and positioning.
The course of work of doubtful source of sewage analyzing and positioning system provided in an embodiment of the present invention is as follows:
(1) before use, need Managing system of above position machine is deployed in Internet Server in advance, and for monitoring hull and
Mobile end control system carries out user's adaptation；
(2) after selecting target water to be monitored, the power switch for monitoring hull is opened, is placed in waters, passes through
Cruise management module or cruise control module set the cruise track of monitoring hull and collection rule；
(3) by " starting " instruction in triggering cruise management module or cruise control module, use of information 4G will be controlled
Network transmission extremely monitors the microcontroller of hull, and then ship is driven to be made according to the cruise track set and collection rule
Industry；
(4) collected water environment data are transmitted to Managing system of above position machine by 4G network automatically during ship cruises
In shown, summarized and analyzed；
(5) potential source of sewage is analyzed by the doubtful source of sewage locating module of Managing system of above position machine, works as hair
When existing doubtful source of sewage, then pass through the setting automatic trigger alarm command of alarm rule, and with ground in Managing system of above position machine
The form of figure marks display；
(6) it after completing monitoring task, can be instructed by " shutdown " in triggering cruise management module or cruise control module,
The microcontroller of use of information 4G network transmission to monitoring hull will be controlled, and then monitoring hull is driven to navigate by water to initial point position
It stops, is turned off the power switch after storage；
(7) operation process of the present invention is whole automated executions, returns setting again after detouring when encountering barrier
Cruise track, can navigate by water when the power is insufficient to initial point position automatically and stop.
Doubtful source of sewage analyzing and positioning system provided by the above embodiment can use preceding progress course line setting, acquisition
Frequency or acquisition point setting, can be realized unattended automatic cruising, monitoring, analysis and early warning, have configuration flexibility
The characteristics of with practical convenient.
Monitoring and analytic process do not need additional reagent and consumables, simplify the complexity of operation, reduce to making
The profession of user requires, and facilitates rapid deployment and application.
It is integrated using modularity to monitor hull, the equipment and device of boat-carrying are mountable and dismantle, signal transmission, net
The modules such as network transmission are all made of mainstream professional standard, it is made to have preferably maintainable and scalability.
The induction setting that ship is combined using radar and sonar ensure that the effective of floater and shallow water area object
Evacuation, effectively improves safety of ship during cruise.
Water quality monitoring sensor is not limited only to pH value sensor, dissolved oxygen sensor, ammonia nitrogen sensor, turbidity sensor
And water temperature sensor, as long as meeting RS485 puppy parc and sensor card slot space enough can be with access system.
Mode is managed collectively using cloud on the whole, i.e. a cloud management system can be supported to answer while more ships
With.Different users are divided by authority setting to manage and control specified ship, and move making for end control system
With.Help to promote the convenience used, also further reduced useful application cost.
As shown in Figures 3 to 5, on the basis of the various embodiments described above, the embodiment of the present invention also provides a kind of doubtful sewage
Source analyzing and positioning method, source of sewage location algorithm described in this method, that is, above-described embodiment, the algorithm can be stored in source of sewage
In location algorithm management module 604.Specifically comprise the following steps:
S1, monitoring data management module 603 determine that target water monitoring data value in any collection period is exceeded most
Three collection points, these three collection points are followed successively by the first collection point A, according to the superscale size of target water monitoring data value
Two collection point B and third collection point C；
S2, doubtful source of sewage locating module 605 call source of sewage location algorithm management module 604, thus in the first acquisition
Coordinate value and target water quality monitoring on the extended line of the line or line of point A and the second collection point B based on these three collection points
Data value determines divergence point D；
S3, doubtful source of sewage locating module 605 is by drawing ray, the ray and water from third collection point C to divergence point D
The intersection point on domain boundary is doubtful sewage source position E.
Wherein, in S1, one is chosen from the multinomial water quality monitoring parameter acquired in each collection period and is used as mesh
Water monitoring data is marked, corresponding numerical value is target water monitoring data value, since target water monitoring data value includes more
A collection point, such as: ten collection points, i.e., once cruise track on need to choose ten collection points to its water quality monitoring parameter into
Row acquisition.Simulation calculating thus is carried out to data for convenience, wherein highest three collection points of superscale is chosen and is used as calculating
Foundation facilitates the calculating of subsequent divergence point D because three collection points can determine a triangle.
It may also be obtuse angle since ∠ BAC may be acute angle in S2.As shown in figure 4, when ∠ BAC is acute angle, diverging
Point D is located on straight line AB；As shown in figure 5, divergence point D is located on straight line AB extended line when ∠ BAC is obtuse angle.Specifically,
One collection point A is L1 at a distance from the C of third collection point, and the second collection point B is L2, L1 and L2 at a distance from the C of third collection point
Numerical value can obtain the coordinate value of three collection points and be calculated.
The difference of the target water monitoring data value of first collection point A and third collection point C is T1, the second collection point B with
The difference of the target water monitoring data value of third collection point C is the knot that T2, T1 and T2 are acquired by water quality monitoring acquisition system
Fruit is calculated.The distance of second collection point B to divergence point D is L3, and the distance of the first collection point A to divergence point D is L4, according to
The ratio of L3/L4 determines position of the divergence point D on straight line AB or AB extended line.
Wherein, L3/L4=(L2*T1) * k/ (L1*T2), k are target water monitoring data value for doubtful sewage source position
Impact factor.The value of k is constant, can determine its numerical values recited by largely testing.Specifically determination process includes:
It is assumed that k=1, determines the doubtful sewage source position；According to doubtful sewage source position and actual sewage source position
Deviation is modified k, until doubtful sewage source position is overlapped with actual sewage source position.It should be noted that right
In different target water monitoring data values, when calculating the specific location of divergence point, different k may be corresponding with.And it is different
K value can be stored in advance in source of sewage location algorithm management module 604, call when calculating.
In S3, waters boundary can be obtained according to geographical position measurement information, be drawn from third collection point C to divergence point D
The intersection point on ray, the ray and waters boundary is doubtful sewage source position E.
On the basis of the various embodiments described above, the S1 further comprises: S11, in a collection period, according to default
Cruise track and collection rule multinomial water quality monitoring parameter is acquired in target water；S12 determines multinomial water quality monitoring parameter
In average superscale highest one be the target water monitoring data in current collection period；S13, target water monitoring data
Including multiple collection points, chooses target water monitoring data value corresponding to wherein maximum three collection points of superscale and determine institute
State divergence point.
Specifically, in each collection period, hull is monitored according to preset cruise track and collection rule in target water
Multinomial water quality monitoring parameter (including pH value, dissolved oxygen content, ammonia-nitrogen content, turbidity and water temperature etc.) is acquired in domain, it is then right
The corresponding testing result of multinomial water quality monitoring parameter is screened, and determines that wherein the corresponding average measurement value of water quality monitoring parameter is super
Scalar highest one, the target water monitoring data in as current collection period.
On the basis of the testing result of the target water monitoring data, associated vector calculating is carried out.Specifically, due to target
Water monitoring data includes multiple collection points, chooses target water quality monitoring corresponding to wherein maximum three collection points of superscale
Data value determines the position of divergence point.
Further, cruise track and collection rule in order to guarantee precision of analysis, in each collection period
It is all the same, guarantee that variable parameter is consistent.Collection rule specifically includes the time interval between adjacent collection period, i.e., how long acquires
Water monitoring data；In addition, further include cruise the collection point track Shang Ge quantity and corresponding coordinate value, i.e., each
It is collection point which position is chosen in collection period.The above information requires in advance to set monitoring hull.
On the basis of the various embodiments described above, the position of doubtful source of sewage is determined in order to be more accurate, can increase water quality
The acquisition and analysis times of monitoring data, that is, carry out the analysis of multiple collection period.It is with two adjacent collection period below
Example is illustrated specific doubtful source of sewage method for determining position:
According to doubtful source of sewage analyzing and positioning method described in above-described embodiment, obtained being analyzed in previous collection period
Doubtful sewage source position be the first sewage source position, be the by the doubtful sewage source position analyzed in latter collection period
Two sewage source positions, taking the midpoint of the first sewage source position and the second sewage source position is final doubtful sewage source position.Afterwards
In continuous collection period in the same manner and so on, to improve the positioning accuracy of final doubtful sewage source position.
Doubtful source of sewage analyzing and positioning method provided in an embodiment of the present invention, according to source of sewage diffusion principle, utilization is exceeded
It measures most target water monitoring data values and determines three collection points, according to the coordinate value and target water quality monitoring number of three collection points
Divergence point is determined according to being worth, to draw penetrating by the divergence point by the least collection point of superscale in these three collection points
The intersection point on line, the ray and waters boundary is doubtful sewage source position；And collection period is more, and analysis is predicted doubtful
Sewage source position is more accurate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of doubtful source of sewage analyzing and positioning method characterized by comprising
S1 determines the exceeded three most collection points of target water monitoring data value in any collection period, three acquisitions
Point is followed successively by the first collection point, the second collection point and third collection point according to the size of superscale；
S2, line or first collection point and the line of the second collection point in first collection point and the second collection point
Coordinate value and target water monitoring data value on extended line based on three collection points determine divergence point；
S3 draws ray from the third collection point to the divergence point, and the ray and the intersection point on target water boundary are
Doubtful sewage source position.
2. doubtful source of sewage analyzing and positioning method according to claim 1, which is characterized in that in the S2, described
One collection point is L1 at a distance from the third collection point, and second collection point is L2 at a distance from the third collection point；
The difference of the target water monitoring data value of first collection point and the third collection point is T1, second acquisition
The difference of point and the target water monitoring data value of the third collection point is T2；
The distance of second collection point to the divergence point is L3, and the distance of the first collection point to the divergence point is
L4 determines the divergence point according to L3/L4；
Wherein, L3/L4=(L2*T1) * k/ (L1*T2), k are the target water monitoring data value for the doubtful source of sewage
The impact factor of position.
3. doubtful source of sewage analyzing and positioning method according to claim 2, which is characterized in that the determination process of k includes:
It is assumed that k=1, determines the doubtful sewage source position；
K is modified according to the deviation of the doubtful sewage source position and actual sewage source position, until the doubtful dirt
Until water source position is overlapped with actual sewage source position.
4. doubtful source of sewage analyzing and positioning method according to claim 1, which is characterized in that the S1 further comprises:
S11 acquires multinomial water quality according to preset cruise track and collection rule in a collection period in target water
Monitoring parameters；
S12 determines the target being averaged in the multinomial water quality monitoring parameter superscale highest one be in current collection period
Water monitoring data；
S13, the target water monitoring data include multiple collection points, and it is right to choose the maximum three collection points institute of wherein superscale
The target water monitoring data value answered determines the divergence point.
5. doubtful source of sewage analyzing and positioning method according to claim 4, which is characterized in that the institute in each collection period
It is identical with collection rule to state cruise track；
The collection rule includes the quantity of collection point in the time interval and the cruise track of the adjacent collection period
And corresponding coordinate value.
6. doubtful source of sewage analyzing and positioning method as claimed in any of claims 1 to 5, which is characterized in that in phase
In the adjacent collection period, the doubtful sewage source position that analysis obtains in the previous collection period is the first source of sewage
Position；
The doubtful sewage source position that analysis obtains in the latter collection period is the second sewage source position；
Taking the midpoint of first sewage source position and second sewage source position is the final doubtful sewage source position.
7. a kind of doubtful source of sewage analyzing and positioning system characterized by comprising Managing system of above position machine, the host computer pipe
Reason system includes:
Monitoring data management module, for determining, exceeded three at most of target water monitoring data value are adopted in any collection period
Collect point, three collection points are followed successively by the first collection point, the second collection point and third collection point according to the size of superscale；
Doubtful source of sewage locating module, in first collection point and the second collection point line or first collection point
With based on three collection points on the extended line of the line of the second collection point coordinate value and target water monitoring data value it is true
Definite divergence point；Ray is drawn from the third collection point to the divergence point, the ray and the intersection point on waters boundary are as doubted
Like sewage source position.
8. doubtful source of sewage analyzing and positioning system according to claim 7, which is characterized in that the Managing system of above position machine
It further include cruise management module, for setting cruise track and the collection rule of monitoring hull；
Be disposed with water quality data acquisition system and cruise drive system on the monitoring hull, the water quality data acquisition system and
Cruise drive system is communicated to connect with the Managing system of above position machine；
The cruise drive system is used to receive the cruise instruction of the Managing system of above position machine, and controls the monitoring hull and press
It cruises in target water in default course line；
The water quality data acquisition system is used to receive the acquisition instructions of the Managing system of above position machine, and according to preset acquisition
Rule acquisition water sample parameter.
9. doubtful source of sewage analyzing and positioning system according to claim 8, which is characterized in that the cruise drive system packet
It includes: dynamical system, cruise induction system and Position Fixing Navigation System；
The dynamical system is used to provide cruising power for the monitoring hull；
The cruise induction system is used to detect the barrier on the monitoring hull direction of travel；
The Position Fixing Navigation System is used to provide coordinate value positioning and navigation for the monitoring hull.
10. doubtful source of sewage analyzing and positioning system according to claim 8, which is characterized in that further include mobile terminal control
System, the mobile end control system and Managing system of above position machine wireless communication connect, for cruising described in remote control
Management module, monitoring data management module and doubtful source of sewage locating module.
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