CN107659628A - A kind of Drinking Water real-time monitoring system - Google Patents
A kind of Drinking Water real-time monitoring system Download PDFInfo
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- H—ELECTRICITY
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
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- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
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- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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Abstract
The invention provides a kind of Drinking Water real-time monitoring system, including Drinking Water monitoring management platform, Drinking Water quality-monitoring module and user terminal；Described Drinking Water quality-monitoring module, user terminal and Drinking Water monitoring management Platform communication connects；Described Drinking Water quality-monitoring module is used to be monitored drinking water based on wireless sensor network, gathers drinking water quality perception data and sends to Drinking Water monitoring management platform；Described Drinking Water monitoring management platform is used to analyze and process drinking water quality perception data, and sends alarm signal to user terminal in drinking water quality exception.The present invention realizes the wireless monitor of drinking water quality.
Description
Technical Field
The invention relates to the technical field of drinking water quality monitoring, in particular to a real-time monitoring system for domestic drinking water.
Background
In the work of drinking water on-line monitoring of life, because the monitoring point dispersion, distribution range is wide, monitors the collection of data through the wire line, and not only the construction cost is high, and the maintenance cost is big, is difficult to reliably lay wire at outdoor monitoring point moreover.
Disclosure of Invention
In order to solve the problems, the invention provides a real-time monitoring system for domestic drinking water.
The purpose of the invention is realized by adopting the following technical scheme:
the real-time monitoring system for the domestic drinking water comprises a domestic drinking water monitoring and managing platform, a domestic drinking water quality monitoring module and a user terminal; the domestic drinking water quality monitoring module and the user terminal are in communication connection with the domestic drinking water monitoring and management platform; the domestic drinking water quality monitoring module is used for monitoring drinking water based on a wireless sensor network, collecting drinking water quality sensing data and sending the drinking water quality sensing data to the domestic drinking water monitoring and managing platform; the domestic drinking water monitoring and management platform is used for analyzing and processing drinking water quality perception data and sending an alarm signal to the user terminal when the drinking water quality is abnormal.
Preferably, the domestic drinking water monitoring and management platform comprises a drinking water quality perception data storage module, a drinking water quality perception data analysis module and an alarm module which are sequentially connected, and further comprises a drinking water quality perception data display module, and the drinking water quality perception data display module is connected with the drinking water quality perception data storage module and the drinking water quality perception data analysis module.
The invention has the beneficial effects that: the drinking water quality sensing data can be monitored in real time, real-time safe transmission of the drinking water quality sensing data is realized, the safety, stability and reliability requirements of the domestic drinking water online monitoring system are met, and a solid foundation is laid for the domestic drinking water online monitoring work.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, without inventive effort, further drawings may be derived from the following figures.
FIG. 1 is a block diagram of the present invention;
fig. 2 is a connection block diagram of the drinking water monitoring and management platform of the invention.
Reference numerals:
the system comprises a domestic drinking water monitoring and management platform 1, a domestic drinking water quality monitoring module 2, a user terminal 3, a drinking water quality perception data storage module 10, a drinking water quality perception data analysis module 20, an alarm module 30 and a drinking water quality perception data display module 40.
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1 and fig. 2, the real-time domestic drinking water monitoring system provided in this embodiment includes a domestic drinking water monitoring management platform 1, a domestic drinking water quality monitoring module 2, and a user terminal 3; the domestic drinking water quality monitoring module 2 and the user terminal 3 are in communication connection with the domestic drinking water monitoring management platform 1; the domestic drinking water quality monitoring module 2 is used for monitoring drinking water based on a wireless sensor network, collecting drinking water quality sensing data and sending the drinking water quality sensing data to the domestic drinking water monitoring and managing platform 1; the domestic drinking water monitoring and management platform 1 is used for analyzing and processing drinking water quality perception data and sending an alarm signal to the user terminal 3 when the drinking water quality is abnormal.
The user terminal 3 can inquire the drinking water quality perception data and the abnormal conditions through accessing the drinking water monitoring management platform 1 in real time.
Preferably, the drinking water monitoring and management platform 1 determines that the quality of the drinking water is abnormal when the sensed data of the quality of the drinking water does not meet a set threshold. The drinking water quality sensing data comprise temperature, PH value and dissolved oxygen.
Preferably, the domestic drinking water monitoring and management platform 1 includes a drinking water quality perception data storage module 10, a drinking water quality perception data analysis module 20, an alarm module 30, and a drinking water quality perception data display module 40, which are connected in sequence, and the drinking water quality perception data display module 40 is connected with the drinking water quality perception data storage module 10 and the drinking water quality perception data analysis module 20.
According to the embodiment of the invention, the drinking water quality sensing data can be monitored in real time, the real-time safe transmission of the drinking water quality sensing data is realized, the safety, stability and reliability requirements of the domestic drinking water online monitoring system are met, and a solid foundation is laid for the domestic drinking water online monitoring work.
Preferably, the domestic drinking water quality monitoring module 2 comprises a plurality of drinking water quality monitoring nodes distributed in a drinking water quality monitoring area and a base station, each drinking water quality monitoring node has a unique identification number, and each drinking water quality monitoring node has the same initial energy and data processing and communication capabilities; the drinking water quality monitoring node is used for collecting drinking water quality perception data, and the base station collects the drinking water quality perception data of all drinking water quality monitoring nodes and transmits the collected drinking water quality perception data to the life drinking water quality monitoring module 2.
During initialization, each drinking water quality monitoring node establishes a neighbor node list of the drinking water quality monitoring node through broadcast initialization information, clustering is carried out, the drinking water quality monitoring nodes send drinking water quality sensing data to cluster head nodes in the cluster, and then the received drinking water quality sensing data are fused and sent to a base station by the cluster head nodes.
In one embodiment, if the drinking water quality monitoring node is in a multi-hop distance with a cluster head node of a cluster where the drinking water quality monitoring node is located, the drinking water quality monitoring node determines the selection probability of each neighbor node in a neighbor node list, randomly selects a next-hop node in the neighbor node list according to the selection probability for drinking water quality sensing data transmission, and sets W ij (t) represents that the drinking water quality monitoring node i selects a neighbor node j in the neighbor node list as a next-hop node at the current moment tProbability of transmission of drinking water quality perception data, W ij The formula for calculation of (t) is:
in the formula, Q ij (t) represents the residual energy of j at the current time t, Q v (t) residual energy of the v-th neighbor node in the neighbor node list of the drinking water quality monitoring node i, E i Cluster head node, d (j, E) representing cluster in which drinking water quality monitoring node i is located i ) Denotes j to E i D (v, E) i ) Indicating the v-th neighbor node to E in the neighbor node list of the drinking water quality monitoring node i i Distance of (d), M (j, E) i ) Denotes j to E i Minimum number of hops passed, 1/M (v, E) i ) Vth neighbor node to E in neighbor node list of drinking water quality monitoring node i i Minimum number of hops passed, N i Indicating the number of neighbor nodes in the neighbor node list of the drinking water quality monitoring node i.
The optimal embodiment defines a calculation formula of the selection probability, the selection probability depends on the residual energy of the neighbor nodes, the distance to the cluster head node and the hop count, and the drinking water quality monitoring node randomly selects the next hop node in the neighbor node list according to the selection probability, so that the load of each neighbor node can be balanced, the energy consumption of the drinking water quality monitoring node is balanced, and the communication cost of a domestic drinking water real-time monitoring system is saved.
In one embodiment, when the cluster head node sends the drinking water quality perception data to the base station, whether the base station is in a neighbor node list of the base station is judged in advance, and if the base station is in the neighbor node list of the base station, the drinking water quality perception data is directly forwarded to the base station;
if the base station is not in the neighbor node list, the cluster head node sends the drinking water quality perception data to the base station in a multi-hop relay mode, and selects a next-hop relay node in the neighbor node list, and the method specifically comprises the following steps:
(1) Setting a cluster head node needing to select a next hop relay node as a B, if the cluster head node exists in a neighbor node list of the B, selecting the cluster head node as the relay node when the cluster head node is 1, calculating the preferred value of each cluster head node when the cluster head node is a plurality of cluster head nodes, selecting the cluster head node with the maximum preferred value as the relay node, and defining the calculation formula of the preferred value as follows:
in the formula, d (a, B) represents the distance between cluster head nodes a and B in the neighbor node list of B, d (a, sink) represents the distance between a and the base station, f is a set weight coefficient, and the set range is 0.5-f-1;
(2) If the neighbor node list of the B does not have the cluster head node, calculating the routing probability of each neighbor node in the neighbor node list, selecting the neighbor node corresponding to the maximum routing probability as the relay node, and defining the calculation formula of the routing probability as follows:
in the formula, W Br (t) represents the routing probability, Q, of the neighbor node r in the neighbor node list of B at the current time t r (t) represents the remaining energy of r at the current time t,the average residual energy of the neighbor nodes in the neighbor node list of B, d (r, sink) is the distance between r and the base station, and M (r, sink) represents the minimum hop count passed by r to the base station.
According to the method, the strategy that the cluster head nodes send the drinking water quality sensing data to the base station is formulated, the drinking water quality sensing data are sent to the base station according to the strategy, the energy excess caused by long-distance transmission can be avoided, the energy consumption for collecting the drinking water quality sensing data is saved and balanced, in the strategy, the cluster head nodes are preferentially selected as the relay nodes, the communication delay can be reduced, the calculation formulas of the optimal values and the routing probability are designed, the selected relay nodes have better performance, and the load among the drinking water quality monitoring nodes is balanced.
In one embodiment, when each drinking water quality monitoring node establishes its own neighbor node list by broadcasting an initialization message, the following steps are specifically performed: the drinking water quality monitoring node determines neighbor nodes in a communication range through broadcasting the initialization message; if the neighbor node satisfies the following formula, the drinking water quality monitoring node is added into the neighbor node list, so that the own neighbor node list is established:
wherein d (i, j) represents the distance between the drinking water quality monitoring node i and the neighbor node j in the communication range, and L i Communication radius, d, of a node i for monitoring drinking water quality max And d min The maximum distance and the minimum distance between the drinking water quality monitoring node and the base station are respectively, d (i, sink) represents the distance between the drinking water quality monitoring node i and the base station, and d (j, sink) represents the distance between j and the base station.
The embodiment makes a construction strategy of the neighbor node list, the drinking water quality monitoring node constructs the neighbor node list according to the strategy, the scale of the neighbor node list closer to the base station is smaller, the consumption energy of the drinking water quality monitoring node closer to the base station when the next hop node is selected is beneficially saved, more energy is reserved to undertake a forwarding task, the neighbor node in a communication range is filtered, the efficiency of selecting the subsequent next hop node or relay node is favorably improved, the collection efficiency of drinking water quality perception data is improved, and the real-time performance of drinking water monitoring is guaranteed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A real-time monitoring system for domestic drinking water is characterized by comprising a domestic drinking water monitoring and managing platform, a domestic drinking water quality monitoring module and a user terminal; the domestic drinking water quality monitoring module and the user terminal are in communication connection with the domestic drinking water monitoring and management platform; the domestic drinking water quality monitoring module is used for monitoring drinking water based on a wireless sensor network, collecting drinking water quality sensing data and sending the drinking water quality sensing data to the domestic drinking water monitoring and managing platform; the domestic drinking water monitoring and management platform is used for analyzing and processing drinking water quality perception data and sending an alarm signal to the user terminal when the drinking water quality is abnormal.
2. The real-time domestic drinking water monitoring system of claim 1, wherein the domestic drinking water monitoring and management platform determines that the quality of the drinking water is abnormal when the sensed data of the quality of the drinking water does not meet a set threshold.
3. The real-time domestic drinking water monitoring system according to claim 2, wherein the domestic drinking water monitoring and management platform comprises a drinking water quality perception data storage module, a drinking water quality perception data analysis module, an alarm module, and a drinking water quality perception data display module, which are connected in sequence, and the drinking water quality perception data display module is connected with the drinking water quality perception data storage module and the drinking water quality perception data analysis module.
4. The real-time domestic drinking water monitoring system according to claim 1, wherein the domestic drinking water quality monitoring module comprises a plurality of drinking water quality monitoring nodes distributed in a drinking water quality monitoring area and a base station, each drinking water quality monitoring node has a unique identification number, and each drinking water quality monitoring node has the same initial energy and data processing and communication capabilities; the drinking water quality monitoring nodes are used for collecting drinking water quality sensing data, the base station collects the drinking water quality sensing data of all the drinking water quality monitoring nodes, and the collected drinking water quality sensing data are transmitted to the life drinking water quality monitoring module.
5. The system for monitoring the drinking water quality in real time as claimed in claim 4, wherein during initialization, each drinking water quality monitoring node establishes its own neighbor node list through broadcast initialization messages and performs clustering, the drinking water quality monitoring nodes send drinking water quality sensing data to cluster head nodes in the cluster, and then the cluster head nodes merge the received drinking water quality sensing data and send the received drinking water quality sensing data to the base station.
6. The drinking water real-time monitoring system according to claim 5, wherein when each drinking water quality monitoring node establishes its own neighbor node list by broadcasting an initialization message, the following is specifically performed: the drinking water quality monitoring node determines neighbor nodes in a communication range through broadcasting the initialization message; if the neighbor node satisfies the following formula, the drinking water quality monitoring node is added into the neighbor node list, so that the own neighbor node list is established:
wherein d (i, j) represents the distance between the drinking water quality monitoring node i and the neighbor node j in the communication range, and L i Communication radius, d, of a node i for monitoring drinking water quality max And d min The maximum distance and the minimum distance between the drinking water quality monitoring node and the base station are respectively, d (i, sink) represents the distance between the drinking water quality monitoring node i and the base station, and d (j, sink) represents the distance between j and the base station.
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