CN111757287A - An IoT-based water quality monitoring system - Google Patents

Abstract

The invention discloses a water quality monitoring system based on the Internet of things, which comprises a GPRS (general packet radio service) module, a Zigbee wireless sensing network module and a real-time data collecting module, wherein the real-time data collecting module is used for sending collected data to the GPRS module through the Zigbee wireless sensing network module after collecting water quality data, the GPRS module comprises a computer supervision part, a data server and a mobile terminal, the Zigbee wireless sensing network module comprises an Ethernet, the Internet, a gateway and a repeater, and the real-time data collecting module comprises a node concentrator and a plurality of monitors. The invention solves the problems that a plurality of workers are required to monitor water quality in real time and labor are wasted in the traditional water quality monitoring.

Description

An IoT-based water quality monitoring system

technical field

The invention relates to the technical field of water quality monitoring, in particular to a water quality monitoring system based on the Internet of Things.

Background technique

With the development of society, people pay more attention to environmental protection, and how to monitor and control the environment intelligently has great research significance. The architecture and network design of the water quality monitoring system, firstly designed the underwater data acquisition node using acoustic waves to realize communication and networking, and then add data collection nodes in each area. The data collection nodes use the ZigBee system for automatic networking and data collection. Passed to the server, the Internet of Things is the network extension and application expansion of the Internet and communication networks. It has the functions of integrating perception and identification, transmission interconnection, and computing processing. It is a highly integrated and comprehensive application of a new generation of information technology. Through information sharing and business collaboration, the Internet of Things extends the information interaction between people to people and things, and things and things. Its application provides the possibility to optimize resource allocation, strengthen scientific management, and alleviate resource and energy constraints. widened the road. The rapid expansion of the Internet of Things in the field of public services has created an effective way to improve the quality and level of people's lives. To solve the traditional water quality monitoring through the Internet of Things model, it requires multiple staff to monitor in real time, which is time-consuming and labor-intensive. For this reason, we designed a An IoT-based water quality monitoring system.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides a water quality monitoring system based on the Internet of Things, which solves the problem that traditional water quality monitoring requires multiple staff to monitor in real time, which is time-consuming and labor-intensive.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A water quality monitoring system based on the Internet of Things, comprising a GPRS module, a Zigbee wireless sensor network module and a real-time data collection module, characterized in that: the real-time data collection module transmits the collected data by Zigbee wireless after collecting the water quality data. The sensor network module is sent to the GPRS module, the GPRS module includes computer supervision, data server and mobile terminal, the Zigbee wireless sensor network module includes Ethernet, Internet, gateway and repeater, and the real-time data collection module includes node Aggregator and multiple monitors.

In the aforementioned water quality monitoring system based on the Internet of Things, the data server and the mobile terminal are respectively connected with the computer monitoring, and the data server and the mobile terminal are respectively connected with the Ethernet.

In the aforementioned water quality monitoring system based on the Internet of Things, the Ethernet is connected to the Internet, the Internet is connected to a gateway, and the gateway is connected to a relay.

In the aforementioned water quality monitoring system based on the Internet of Things, the relay is connected to a node collector, the node collector is connected to a plurality of monitors, and a plurality of the detectors are respectively connected to the relay.

The aforementioned water quality monitoring system based on the Internet of Things, the monitor is a water quality analysis instrument, and the water quality analysis instrument monitors water temperature, pH value, dissolved oxygen, permanganate index, chemical oxygen demand, five-day Biochemical oxygen demand and copper ion index.

In the aforementioned water quality monitoring system based on the Internet of Things, the mobile terminal sends an energy packet acquisition request to the corresponding numbered monitor, and the energy packet acquisition request reaches the relay through Ethernet and the Internet, and the middle After extracting the monitor number, the remaining energy, the energy usage rate and the time stamp, the time when the energy package is received is obtained, and the time difference between the time stamp and the time when the energy package is received is obtained.

In the aforementioned water quality monitoring system based on the Internet of Things, when the monitor receives the corresponding request from the mobile terminal, it collects data, sends the data to the node collector, and sends the data to the Zigbee wireless sensor network. The module feeds back to the data server, and the data server sends the data to the computer for supervision and data analysis.

In the aforementioned water quality monitoring system based on the Internet of Things, the data of the monitor can be sent to the relay contact, and then the relay contact sends the detection data to the network coordinator, which can be timely through the mobile communication network with the help of GPRS. Send the data information to the monitoring center.

In the aforementioned water quality monitoring system based on the Internet of Things, a plurality of the monitors monitor the current water quality corresponding to the geographic location information within a preset time period, and the plurality of the monitors send the collected information to the Node aggregator, after the node aggregator aggregates the data information, it sends the information to the relay, and the relay sends the information to the data server via the Internet, and the data server stores the information and sends the aggregated information For computer supervision, the computer will perform trend statistical analysis on the corresponding current water quality index data and historical water quality index data, and establish a data model to obtain the analysis results, and when the analysis results indicate that the water quality has deteriorated, it will be sent to the mobile terminal of the water quality management personnel. Warning information.

The beneficial effects of the invention are as follows: the system is mainly composed of three subsystems: Zigbee wireless sensor network, GPRS module and real-time data acquisition. The water quality monitoring sensor node is responsible for collecting various water quality parameters; the Zigbee wireless sensor network is responsible for transmitting the data of each monitor through the node collector to the GPRS module, and the overall architecture of the GPRS module water quality monitoring system is responsible for transmitting the information to the data server, and the data server is responsible for the information collection, processing, production, storage and other functions. The monitoring items of the monitor include: water temperature, pH value, dissolved oxygen, permanganate index, chemical oxygen demand, five-day biochemical oxygen demand, copper ions and other indicators. The monitoring system adopts an unattended wireless sensor network, which transmits the detected data by GPRS with the help of Zigbee wireless sensor network module, and then sends it to the computer monitoring center for background processing and then realizes it with an intuitive interface. It is a more appropriate choice. , the advantage of the system structure is that if a device monitor does not work properly and causes a blind area, then several adjacent monitor nodes can establish relay nodes, and the data collected by each monitor can be sent to the relay contacts, and then The detection data can be transmitted to the computer monitoring center in time by the relay contact through GPRS. There are a large number of ZigBee wireless nodes here to transmit data in the form of relay nodes. As long as there is a communication signal, it will be connected to the mobile communication network to solve the problem of traditional water quality monitoring, which requires multiple staff to monitor in real time, which is time-consuming and labor-intensive.

Description of drawings

FIG. 1 is a schematic diagram of a water quality monitoring system based on the Internet of Things of the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to Fig. 1: a kind of water quality monitoring system based on the Internet of Things, including GPRS module, Zigbee wireless sensor network module and real-time data collection module, it is characterized in that: described real-time data collection module will collect data by collecting water quality data. Sent to the GPRS module by the Zigbee wireless sensor network module, the GPRS module includes computer supervision, data server and mobile terminal, the Zigbee wireless sensor network module includes Ethernet, Internet, gateway and repeater, the real-time data The collection module includes a node collector and multiple monitors.

Preferably, the data server and the mobile terminal are respectively connected with the computer supervisor, and the data server and the mobile terminal are respectively connected with the Ethernet.

Preferably, the Ethernet is connected to the Internet, the Internet is connected to a gateway, and the gateway is connected to a relay.

Preferably, the relay is connected to a node collector, the node collector is connected to a plurality of monitors, and a plurality of the detectors are respectively connected to the relay.

Preferably, the monitor is a water quality analysis instrument, and the water quality analysis instrument monitors water temperature, pH value, dissolved oxygen, permanganate index, chemical oxygen demand, five-day BOD and copper ion index.

Preferably, the mobile terminal sends an energy packet acquisition request to the corresponding numbered monitor, the energy packet acquisition request reaches the relay through Ethernet and the Internet, and the relay extracts the monitor number, remaining Energy, energy usage rate, and time stamp, obtain the time when the energy packet is received, and obtain the time difference between the time stamp and the time when the energy packet is received.

Preferably, when receiving the corresponding request from the mobile terminal, the monitor collects data, sends the data to the node collector, and is fed back to the data server by the Zigbee wireless sensor network module. The server sends the data to the computer monitor for data analysis.

Preferably, the data of the monitor can be sent to the relay contact, and then the relay contact sends the detection data to the network coordinator, and the data information can be transmitted to the monitoring center in time through the mobile communication network by means of GPRS.

Preferably, a plurality of the monitors monitor the current water quality corresponding to the geographic location information within a preset time period, and the plurality of the monitors collectively send the collected information to the node aggregator, and the node aggregator After summarizing the data information, the information is sent to the relay, which sends the information to the data server through the Internet, the data server stores the information, and sends the summary information to the computer for supervision, and the computer sends the corresponding current information. Perform trend statistical analysis on water quality index data and historical water quality index data, establish a data model, obtain analysis results, and send early warning information to the mobile terminal of water quality managers when the analysis results indicate that the water quality has deteriorated.

In summary, multiple monitors monitor the current water quality corresponding to the geographic location information within a preset time period, and multiple monitors send the collected information to the node aggregator. After the node aggregator summarizes the data information, the information Send it to the relay, the relay sends the information to the data server through the Internet, the data server stores the information, and sends the summary information to the computer for supervision. Establish a data model, obtain analysis results, and send early warning information to the mobile terminal of water quality managers when the analysis results show that the water quality deteriorates. The system is mainly composed of three subsystems: Zigbee wireless sensor network, GPRS module and real-time data acquisition. The water quality monitoring sensor node is responsible for collecting various water quality parameters; the Zigbee wireless sensor network is responsible for transmitting the data of each monitor through the node collector to the GPRS module, and the overall architecture of the GPRS module water quality monitoring system is responsible for transmitting the information to the data server, and the data server is responsible for the information collection, processing, production, storage and other functions. The monitoring items of the monitor include: water temperature, pH value, dissolved oxygen, permanganate index, chemical oxygen demand, five-day biochemical oxygen demand, copper ions and other indicators. The monitoring system adopts an unattended wireless sensor network, which transmits the detected data by GPRS with the help of Zigbee wireless sensor network module, and then sends it to the computer monitoring center for background processing and then realizes it with an intuitive interface. It is a more appropriate choice. , the advantage of the system structure is that if a device monitor does not work properly and causes a blind area, then several adjacent monitor nodes can establish relay nodes, and the data collected by each monitor can be sent to the relay contacts, and then The detection data can be transmitted to the computer monitoring center in time by the relay contact through GPRS. There are a large number of ZigBee wireless nodes here to transmit data in the form of relay nodes. As long as there is a communication signal, it will be connected to the mobile communication network to solve the problem of traditional water quality monitoring, which requires multiple staff to monitor in real time, which is time-consuming and labor-intensive.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. a water quality monitoring system based on the Internet of Things, comprising a GPRS module, a Zigbee wireless sensor network module and a real-time data collection module, is characterized in that: the real-time data collection module will collect data by Zigbee after the collection of water quality data by the described real-time data collection module. The wireless sensor network module is sent to the GPRS module, the GPRS module includes computer supervision, data server and mobile terminal, the Zigbee wireless sensor network module includes Ethernet, Internet, gateway and repeater, the real-time data collection module Includes node aggregator and multiple monitors. 2. A kind of water quality monitoring system based on Internet of Things according to claim 1, is characterized in that: described data server and mobile terminal are respectively connected with computer supervision, and described data server and mobile terminal are also connected with ethernet respectively. connect. 3 . The water quality monitoring system based on the Internet of Things according to claim 1 , wherein the Ethernet is connected to the Internet, the Internet is connected to a gateway, and the gateway is connected to a relay. 4 . 4. A water quality monitoring system based on the Internet of Things according to claim 1, characterized in that: the relay is connected to a node collector, the node collector is connected to a plurality of monitors, and a plurality of The detectors are respectively connected with the relay. 5. A water quality monitoring system based on the Internet of Things according to claim 1, wherein the monitor is a water quality analysis instrument, and the water quality analysis instrument monitors water temperature, pH value, dissolved oxygen, high manganese Acid index, chemical oxygen demand, five-day BOD and copper ion index. 6. A water quality monitoring system based on the Internet of Things according to claim 1, characterized in that: the mobile terminal sends an energy packet acquisition request to the monitor of the corresponding number, and the energy packet acquisition request passes through the Ethernet and the Internet to reach the relay, the relay extracts the monitor number, remaining energy, energy usage rate, and timestamp, obtains the time when the energy packet was received, obtains the timestamp and the time when the energy packet was received. The time difference between times. 7 . A water quality monitoring system based on the Internet of Things according to claim 6 , wherein the monitor collects data when receiving the corresponding request from the mobile terminal, and sends the data to the node collection. 8 . The device is fed back to the data server by the Zigbee wireless sensor network module, and the data server sends the data to the computer for supervision and data analysis. 8 . The water quality monitoring system based on the Internet of Things according to claim 1 , wherein the data of the monitor can be sent to the relay contact, and then the relay contact sends the detection data to the network. 9 . The coordinator can transmit data information to the monitoring center in time through the mobile communication network with the help of GPRS. 9 . A water quality monitoring system based on the Internet of Things according to claim 1 , wherein: a plurality of the monitors monitor the current water quality corresponding to the geographic location information within a preset time period, and a plurality of the The monitor sends the collected information to the node aggregator, the node aggregator collects the data information, and then sends the information to the relay, and the relay sends the information to the data server through the Internet, and the The data server stores the information, and sends the summary information to the computer for supervision. The computer will perform trend statistical analysis on the corresponding current water quality index data and historical water quality index data, establish a data model, and obtain the analysis results. When the analysis results indicate that the water quality is In the event of deterioration, an early warning message is sent to the mobile terminal of the water quality management personnel.

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