CN109142660A - Field irrigation water quality wisdom monitors system - Google Patents
Field irrigation water quality wisdom monitors system Download PDFInfo
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- CN109142660A CN109142660A CN201810882780.5A CN201810882780A CN109142660A CN 109142660 A CN109142660 A CN 109142660A CN 201810882780 A CN201810882780 A CN 201810882780A CN 109142660 A CN109142660 A CN 109142660A
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- G—PHYSICS
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- G01N33/18—Water
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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Abstract
The present invention provides field irrigation water quality wisdom to monitor system, comprising: water monitoring device obtains farmland irrigating water's monitoring data and carry out processing forward for being monitored to farmland irrigating water's water quality in monitoring region；Server, for being communicated with the aggregation node in wireless sensor network, the analysis and early warning module of memory module including farmland irrigating water's monitoring data for receiving and storing aggregation node transmission and farmland irrigating water's monitoring data for analyzing aggregation node transmission, the analysis and early warning module issue alarm signal in the normal door that farmland irrigating water's monitoring data is more than setting in limited time；User terminal for remote access server and receives the alarm signal that server sends.
Description
Technical field
The present invention relates to water quality monitoring technical fields, and in particular to field irrigation water quality wisdom monitors system.
Background technique
In the related technology, it when carrying out the water quality monitoring of farmland irrigating water, is carried out frequently with Portable water quality monitor artificial
The method of sampling, lab analysis.This method analysis precision is high, but there are monitoring cycles long, large labor intensity, data acquisition
It is slow with transmission speed, it is difficult to the problems such as finding burst Pollution situation.
Summary of the invention
In view of the above-mentioned problems, the present invention, which provides field irrigation water quality wisdom, monitors system.
The purpose of the present invention is realized using following technical scheme:
Provide field irrigation water quality wisdom monitoring system, comprising:
Water monitoring device obtains farmland irrigating water for being monitored to farmland irrigating water's water quality in monitoring region
Monitoring data simultaneously carries out processing forward；Water monitoring device includes aggregation node and multiple is deployed in the monitoring region
Sensor node, in the cluster stage, sensor node is divided into multiple clusters, and a leader cluster node, the biography in cluster is arranged in each cluster
Sensor node is responsible for acquiring and/or handling farmland irrigating water's monitoring data, and generation includes farmland irrigating water's quality-monitoring
The data packet of data；Leader cluster node is collected and carries out fusion treatment to the data packet of sensor node each in cluster, and will
Fused data are sent to aggregation node；Aggregation node is mainly used for for initial configuration information being separately sent to sensor section
Point, and the data transmission that cluster head is sent is to server；
Server, for being communicated with aggregation node, including the farmland irrigating water for receiving and storing aggregation node transmission
The analysis of the memory module of monitoring data and farmland irrigating water's monitoring data for analyzing aggregation node transmission is pre-
Alert module, the analysis and early warning module issue alarm signal in the normal door that farmland irrigating water's monitoring data is more than setting in limited time
Number；
User terminal for remote access server and receives the alarm signal that server sends.
Preferably, the user terminal is remote computer, by the Internet access service device and can receive alarm signal
Number.
Preferably, sensor node includes at least one following sensor:
Conductivity sensor, for detecting the conductivity of irrigation water；
Temperature sensor, for detecting the water temperature of irrigation water；
PH sensor, for detecting the pH value of irrigation water；
Detection of heavy metal ion mould group, for detecting the concentration of heavy metal ion in irrigation water.
Wherein, the detection of heavy metal ion mould group includes copper ion sensor, cadmium ion sensor, mercury ion sensor
With lead ion sensor.
The invention has the benefit that obtaining farmland irrigating water's monitoring data simultaneously using wireless sensor network technology
It is subject to analysis processing, can accurately and timely reflects farmland irrigating water's water quality condition and alarm, scalability is good, is suitble to building
Large-scale monitoring system, is suitble to promote and apply；Realize the integral type acquisition of farmland irrigating water's monitoring data, integrated level
Height, and technology of Internet of things is incorporated, it is connected into intelligent network, realizes being total to for farmland irrigating water's water quality farmland irrigating water's monitoring data
It enjoys.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structure connection of Intelligent indoor farmland irrigating water's water quality monitoring system of an illustrative embodiment of the invention
Block diagram；
Fig. 2 is the structure connection block diagram of the server of an illustrative embodiment of the invention.
Appended drawing reference:
Water monitoring device 1, server 2, user terminal 3, memory module 10, analysis and early warning module 20.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, Fig. 2, field irrigation water quality wisdom monitoring system is present embodiments provided, comprising:
Water monitoring device 1 obtains farmland irrigating water for being monitored to farmland irrigating water's water quality in monitoring region
Monitoring data simultaneously carries out processing forward；Water monitoring device includes aggregation node and multiple is deployed in the monitoring region
Sensor node, in the cluster stage, sensor node is divided into multiple clusters, and a leader cluster node, the biography in cluster is arranged in each cluster
Sensor node is responsible for acquiring and/or handling farmland irrigating water's monitoring data, and generation includes farmland irrigating water's quality-monitoring
The data packet of data；Leader cluster node is collected and carries out fusion treatment to the data packet of sensor node each in cluster, and will
Fused data are sent to aggregation node；Aggregation node is mainly used for for initial configuration information being separately sent to sensor section
Point, and the data transmission that cluster head is sent is to server 2；
Server 2, for being communicated with aggregation node, including the farmland irrigating water for receiving and storing aggregation node transmission
The analysis of the memory module 10 of monitoring data and farmland irrigating water's monitoring data for analyzing aggregation node transmission
Warning module 20, the analysis and early warning module 20 issue in limited time in the normal door that farmland irrigating water's monitoring data is more than setting
Alarm signal；
User terminal 3 for remote access server 2 and receives the alarm signal that server 2 sends.
In a kind of mode that can be realized, the user terminal 3 is remote computer, can be taken by internet access
Business device 2 simultaneously receives alarm signal.
Wherein, sensor node includes at least one following sensor:
Conductivity sensor, for detecting the conductivity of irrigation water；
Temperature sensor, for detecting the water temperature of irrigation water；
PH sensor, for detecting the pH value of irrigation water；
Detection of heavy metal ion mould group, for detecting the concentration of heavy metal ion in irrigation water.
Wherein, the detection of heavy metal ion mould group includes copper ion sensor, cadmium ion sensor, mercury ion sensor
With lead ion sensor.
The above embodiment of the present invention obtains farmland irrigating water's monitoring data using wireless sensor network technology and adds
It is handled, can accurately and timely reflect farmland irrigating water's water quality condition and alarmed with analysis, scalability is good, is suitble to building big
The monitoring system of scale is suitble to promote and apply；Realize the integral type acquisition of farmland irrigating water's monitoring data, integrated level is high,
And technology of Internet of things is incorporated, it is connected into intelligent network, realizes the shared of farmland irrigating water's water quality farmland irrigating water's monitoring data.
In a kind of mode that can be realized, in data transfer phase, all the sensors section of the leader cluster node in its cluster
Selected in point one as collector node；Remaining sensor node in cluster selects the collector node according to apart from nearest principle
Or leader cluster node is as the destination node for sending farmland irrigating water's monitoring data；When the agriculture that the collector node receives
When field irrigation water monitoring data amount reaches its largest buffered, collector node is by received farmland irrigating water's monitoring data
It is forwarded to leader cluster node；Wherein, the nearest principle of the distance are as follows: when closer with the distance between the collector node, pass
Farmland irrigating water's monitoring data of acquisition is sent to collector node by sensor node, when closer at a distance from leader cluster node
When, farmland irrigating water's monitoring data of acquisition is sent to the leader cluster node by sensor node.
This embodiment avoids all the sensors nodes in cluster to be directly sent to farmland irrigating water's monitoring data
On the one hand leader cluster node can reduce communication overhead and congestion by the setting of collector node, on the other hand can effectively improve
Leader cluster node summarizes the efficiency of farmland irrigating water's monitoring data, and can share the load of leader cluster node, to reduce
The energy consumption of leader cluster node.
In one embodiment, leader cluster node selects one to save as collection in all the sensors node in its cluster
Point, comprising:
(1) leader cluster node obtains the node degree of each sensor node in cluster, and determines node degree intermediate value according to each node degree,
Wherein the node degree of sensor node is the neighbor node number in the sensor node communication range；
(2) the cluster inner sensor node that cluster-head node selection node degree is greater than the node degree intermediate value alternately collects section
Point constructs alternative collector node list；Leader cluster node campaigns for message to each alternative collector node sending node, and records each alternative
Feedback time of the collector node in response to node election contest message；
(3) link of any alternative collector node j to leader cluster node i is set as Rji, leader cluster node is according to the following formula into one
Step is determined by each link RjiThe sensor node set M (R of interferenceji), j=1 ..., ni, niFor the alternative receipts of leader cluster node i
The alternative collector node number that collection node listing has:
In formula, DjFor the transimission power of alternative collector node j, αjeFor the power of alternative collector node j to sensor node e
Loss, DeFor the power noise of sensor node e, ZminFor preset snr threshold；
(4) leader cluster node calculates the state value of each alternative collector node, and obtained status value information is stored in alternative collect
Node listing, and using the maximum alternative collector node of state value as initial collector node；
The calculation formula of the state value are as follows:
In formula, DijFor the state value of the alternative collector node j of leader cluster node i, bijIt is alternative collector node j in response to cluster
The feedback time of the node election contest message of head node i,Node for all alternative collector nodes in response to leader cluster node i is campaigned for
The average value of the feedback time of message,For the set M (Rji) the sensor node number that has, w1、w2For setting
Weight coefficient；R1iFor the chain of x-th of alternative collector node in the alternative collector node list of leader cluster node i to leader cluster node
Road, R (Rxi) it is by link RxiThe sensor node set of interference,For the set R (Rxi) the sensor section that has
Point number.
The present embodiment filters out alternative collector node by node degree when being collected node selection, can be effective
Ensure that the subsequent collector node filtered out can cover the sensor node in cluster to a wide range, to ensure certain data
Collection efficiency.
Alternative collector node reflects the alternative collection to the response time for the node election contest message that leader cluster node is sent and saves
The efficiency of point processing task, and interference caused by alternative link of the collector node to leader cluster node will will lead to and be disturbed node
Between communication contention aware and data retransmit, be based on this, the present embodiment is from two standards of message response duration and link interference degree
It sets out, innovatively sets the state value of alternative collector node.The maximum alternative collector node of selection state value is as collection
Node is beneficial to ensure that selected collector node can be reliably completed agriculture relative to the mode of random selection collector node
The task that field irrigation water monitoring data is collected further improves the reliable of farmland irrigating water's monitoring data collection
Property, while network interferences are reduced, improve the overall performance of wireless sensor network.
In one embodiment, leader cluster node updates each alternative collection in alternative collector node list by predetermined period and saves
The status value information of point, using the maximum alternative collector node of state value as collector node after updating each time, to realize
The rotation of collector node, wherein set the more new formula of state value are as follows:
In formula, Dij fFor the state value of the alternative collector node j of leader cluster node i when updating for the f times, Dij f-1For in f-1
The state value of the alternative collector node j of leader cluster node i when secondary update, t is the preset first weights influence factor, for indicating energy
Influence degree of the amount decaying to state value；For the alternative collector node j the f-1 times update when dump energy,
For dump energy of the alternative collector node j when updating for the f times, vj0For the primary power of the alternative collector node j；Qj
The number of collector node, Q are up to the present served as the alternative collector node jmaxFor preset times threshold value, t2It is preset
The second weights influence factor, for indicating to serve as collector node number to the influence degree of state value.
The present embodiment using energy attenuation, serve as influence of the collector node number to state value as measure sensor node shape
The benchmark of state value innovatively proposes the more new formula of state value, the present embodiment by being regularly updated to collector node,
And be conducive to alternative collector node in balanced cluster using the maximum alternative collector node of state value as collector node after updating every time
Energy consumption, thus the life cycle of prolonging wireless sensor network.
In one embodiment, leader cluster node periodically carried out each alternative collector node in alternative collector node list
Filter operation, comprising: judge that each alternative collector node serves as the number of collector node and whether reaches preset times threshold value, number is reached
Alternative collector node to preset times threshold value is deleted from alternative collector node list；And judge each alternative collector node
Current remaining whether meet following condition, to meeting the alternative collector node of following condition from alternative collector node list
Middle deletion:
In formula, vjFor the current remaining of alternative collector node j, vpFor p-th in alternative collector node list alternative receipts
Collect the current remaining of node, u is the alternative collector node number that alternative collector node list has.
Leader cluster node periodically detects each alternative collector node in alternative collector node list in the present embodiment, right
The alternative collector node for not meeting setting condition is filtered, and can effectively save the update rotation time of collector node, is improved
The screening efficiency of collector node, so save field irrigation water quality wisdom energy of the monitoring system in terms of data acquisition at
This.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. field irrigation water quality wisdom monitors system, characterized in that include:
Water monitoring device obtains field irrigation water quality for being monitored to farmland irrigating water's water quality in monitoring region
Monitoring data simultaneously carry out processing forward；The water monitoring device includes aggregation node and multiple is deployed in the monitoring region
Sensor node, in the cluster stage, sensor node is divided into multiple clusters, and each cluster is arranged a leader cluster node, in cluster
Sensor node is responsible for acquiring and/or handling farmland irrigating water's monitoring data, and generation includes field irrigation water quality prison
The data packet of measured data；Leader cluster node is collected and carries out fusion treatment to the data packet of sensor node each in cluster, and
Aggregation node is sent by fused data；Aggregation node is mainly used for for initial configuration information being separately sent to sensor section
Point, and the data transmission that cluster head is sent is to server；
Server, for being communicated with aggregation node, including the field irrigation water quality for receiving and storing aggregation node transmission
The analysis and early warning mould of the memory module of monitoring data and farmland irrigating water's monitoring data for analyzing aggregation node transmission
Block, the analysis and early warning module issue alarm signal in the normal door that farmland irrigating water's monitoring data is more than setting in limited time；
User terminal for remote access server and receives the alarm signal that server sends.
2. field irrigation water quality wisdom according to claim 1 monitors system, characterized in that the user terminal is remote
Journey computer by the Internet access service device and can receive alarm signal.
3. field irrigation water quality wisdom according to claim 1 monitors system, characterized in that sensor node includes extremely
A kind of few following sensor:
Conductivity sensor, for detecting the conductivity of irrigation water；
Temperature sensor, for detecting the water temperature of irrigation water；
PH sensor, for detecting the pH value of irrigation water；
Detection of heavy metal ion mould group, for detecting the concentration of heavy metal ion in irrigation water.
4. field irrigation water quality wisdom according to claim 2 monitors system, characterized in that the heavy metal ion inspection
Surveying mould group includes copper ion sensor, cadmium ion sensor, mercury ion sensor and lead ion sensor.
5. field irrigation water quality wisdom according to claim 1 monitors system, characterized in that in data transfer phase,
Leader cluster node selected in all the sensors node in its cluster one as collector node；Remaining sensor node root in cluster
Select the collector node or leader cluster node as the mesh for sending farmland irrigating water's monitoring data according to apart from nearest principle
Node；When farmland irrigating water's monitoring data amount that the collector node receives reaches its largest buffered, section is collected
Received farmland irrigating water's monitoring data is forwarded to leader cluster node by point；Wherein, the nearest principle of the distance are as follows: when with
When the distance between the collector node is closer, farmland irrigating water's monitoring data of acquisition is sent to receipts by sensor node
Collect node, when closer at a distance from leader cluster node, sensor node sends farmland irrigating water's monitoring data of acquisition
To the leader cluster node.
6. field irrigation water quality wisdom according to claim 5 monitors system, characterized in that leader cluster node is in its cluster
All the sensors node in select one as collector node, comprising:
(1) leader cluster node obtains the node degree of each sensor node in cluster, and determines node degree intermediate value according to each node degree, wherein
The node degree of sensor node is the neighbor node number in the sensor node communication range；
(2) cluster-head node selection node degree is greater than the cluster inner sensor node alternately collector node of the node degree intermediate value,
Construct alternative collector node list；Leader cluster node campaigns for message to each alternative collector node sending node, and records each alternative receipts
Collect node in response to the feedback time of node election contest message；
(3) link of any alternative collector node j to leader cluster node i is set as Rji, leader cluster node according to the following formula further really
Determine by each link RjiThe sensor node set M (R of interferenceji), j=1 ..., ni, niIt is saved for the alternative collection of leader cluster node i
The alternative collector node number that point list has:
In formula, DjFor the transimission power of alternative collector node j, αjeIt is damaged for the power of alternative collector node j to sensor node e
Consumption, DeFor the power noise of sensor node e, ZminFor preset snr threshold；
(4) leader cluster node calculates the state value of each alternative collector node, and obtained status value information is stored in alternative collector node
List, and using the maximum alternative collector node of state value as initial collector node；
The calculation formula of the state value are as follows:
In formula, DijFor the state value of the alternative collector node j of leader cluster node i, bijIt is alternative collector node j in response to leader cluster node
The feedback time of the node election contest message of i,Node for all alternative collector nodes in response to leader cluster node i campaigns for message
The average value of feedback time,For the set M (Rji) the sensor node number that has, w1、w2For the weight system of setting
Number；RxiFor link of x-th of alternative collector node to leader cluster node in the alternative collector node list of leader cluster node i, R (Rxi)
For by link RxiThe sensor node set of interference,For the set R (Rxi) the sensor node number that has.
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Application publication date: 20190104 |