阅读说明：本技术 一种基于物联网平台的管网在线检测系统 (Pipe network on-line detection system based on Internet of things platform ) 是由 陈爱华 董豪 于 2020-12-14 设计创作，主要内容包括：本发明提出一种基于物联网平台的管网在线检测系统,所述在线检测系统包括数据分析模块；所述数据分析模块经通讯网络与设于管网处的多个监测节点相连；所述监测节点包括通讯模块和用于采集管网运行数据的传感器组件；本发明可以实时检测管网的运行状态和漏损情况,解决了现有技术中对于管网运行状态监测不便,管网故障排查困难的问题,并且用户可以在手机上对管网进行远程控制。(The invention provides a pipe network online detection system based on an Internet of things platform, which comprises a data analysis module; the data analysis module is connected with a plurality of monitoring nodes arranged at a pipe network through a communication network; the monitoring node comprises a communication module and a sensor assembly for acquiring pipe network operation data; the invention can detect the running state and leakage condition of the pipe network in real time, solves the problems of inconvenient monitoring of the running state of the pipe network and difficult troubleshooting of the pipe network in the prior art, and can remotely control the pipe network on a mobile phone by a user.)

1. The utility model provides a pipe network on-line measuring system based on thing networking platform which characterized in that: the online detection system comprises a data analysis module; the data analysis module is connected with a plurality of monitoring nodes arranged at a pipe network through a communication network; the monitoring node comprises a communication module and a sensor assembly used for collecting pipe network operation data.

2. The pipe network online detection system based on the platform of the internet of things of claim 1, characterized in that: the sensor assembly of the monitoring node comprises a flow sensor (1), a pressure sensor (7) and a temperature sensor (8); the monitoring node also comprises a portable power supply (3) and an STM32 microcontroller (6) connected with the communication module; the STM32 microcontroller is connected with the sensor assembly through a digital I/O port to perform data transmission and control; the STM32 microcontroller of monitoring node passes through the pipe network operating mode data of sensor module collection monitoring node position department to upload pipe network operating mode data to the data analysis module of thing networking platform department through communication module.

3. The pipe network online detection system based on the platform of the internet of things of claim 2, characterized in that: the communication module of the monitoring node comprises a wireless transmission module (5); the monitoring node also comprises a sealing ring (2) and a four-way joint (4); the monitoring node is fixed at the pipe network by a four-way joint; the STM32 microcontroller is fixed at the four-way joint in a buckling structure, a flow sensor is arranged beside the four-way joint, and a pressure sensor and a temperature sensor are arranged above the four-way joint; the portable power supply is arranged on the flow sensor in a buckling structure; the wireless transmission module is installed on the STM32 microcontroller in a welding mode.

4. The pipe network online detection system based on the platform of the internet of things of claim 3, wherein: the flow sensor (1), the pressure sensor (7), the temperature sensor (8) and the four-way joint (4) are connected through pipe threads and sealed through the sealing ring (2), the sealing ring (2) is an O-shaped sealing ring, and the diameter of a probe of the temperature sensor (8) is slightly smaller than that of an upper hole of the four-way joint (4).

5. The pipe network online detection system based on the platform of the internet of things of claim 2, characterized in that: the pipe network working condition data comprises pipe network flow data, pipe network pressure data and pipe network temperature data; the detection method of the online detection system comprises the following steps:

a1, the data analysis module establishes a curve model under the normal working condition of the pipe network according to the historical data of the pipe network working condition data uploaded by each monitoring node;

a2, after the data analysis module receives newly uploaded pipe network working condition data, evaluating the uploaded data by using a curve model under the normal working condition of the pipe network to judge whether the pipe network has a blocking fault or a leakage fault;

step A3, when the data analysis module judges that the pipe network has a blocking fault or a leakage fault, the data analysis module pushes fault alarm information to the mobile phone client of the related personnel to inform the mobile phone client of the related personnel to perform corresponding processing;

and A4, relevant personnel issue control instructions to the monitoring nodes through the Internet of things platform, and the monitoring nodes transmit the received control instructions to corresponding pipe network pipe valve control switches through the communication modules, so that the relevant personnel can integrally control the pipe network through the Internet of things platform.

6. The pipe network online detection system based on the platform of the internet of things of claim 5, wherein: in step a2, when the data analysis module determines whether a leakage fault exists in the pipe network, first process the pressure information of the pipe network, determine whether the pipe network leaks according to the negative pressure wave characteristics acquired by the pressure sensor, if it can be determined that the pipe network has leaked according to the pressure information, process the flow information of the pipe network, perform secondary confirmation according to the flow information acquired by the flow sensor, if it is determined that the pipe network has a leakage fault, find out the specific location of the pipe network leakage by using a temperature gradient method according to the temperature information reported by the temperature sensor, and finally send a pipe network leakage report to the mobile phone client by the internet of things platform, where the mobile phone client stores the received pipe network leakage report to the mobile phone and timely reminds the user of the mobile phone client, and the user performs corresponding processing.

7. The pipe network online detection system based on the platform of the internet of things of claim 5, wherein: if the pipe network is a drainage pipe, in step A2, when the data analysis module judges whether the pipe network has a blockage fault, establishing a complex long pipeline blockage detection model based on a characteristic line method by adopting a transient flow method, deducing pressure and flow iterative equations at each monitoring node in the pipeline by using the characteristic line method, and deducing area parameters of pipeline blockage according to the blockage flow model; whether the drainage pipeline is blocked or not can be obtained by comparing the pipe network working condition data acquired by the sensor assembly at the monitoring node; and finally, sending a pipe network blockage report to the mobile phone client by the Internet of things platform, and carrying out corresponding processing by the user according to the pipe network blockage report.

8. The pipe network online detection system based on the platform of the internet of things of claim 5, wherein: the mobile phone client is provided with a mobile phone application APP providing an access interface of the Internet of things platform, a user is automatically connected to the Internet of things platform after entering the APP, four detection interfaces of flow, pressure, temperature and electric quantity are arranged on an interactive interface of the mobile phone application APP, and the user can directly check the working condition of the monitoring node detection device and the current operation state of the pipe network through the interfaces; a pipe network valve control switch, a theme subscription button and a message publishing button are further arranged on an interactive interface of the mobile phone application APP, and a user can control a pipe network through the buttons; the interactive interface of the mobile phone application APP is also provided with a message list for receiving various messages sent to the mobile phone client by the Internet of things platform.

Technical Field

The invention relates to the technical field of Internet of things, in particular to a pipe network online detection system based on an Internet of things platform.

Background

Urban drainage pipelines are important guarantees of good urban environment and high-quality life of people, so that the research on fault detection of drainage pipelines is of great significance. Because the pipe network is deeply buried underground, the monitoring of the leakage point is very difficult, and therefore, the implementation of methods such as repairing of a damaged point of the pipeline, updating of the pipe network, pressure control and the like is difficult.

In recent years, with the rapid development of the internet of things technology, the intelligent detection and control of the pipe network through the internet of things becomes a great development trend of the pipe network detection technology, meanwhile, the sensor detection technology is combined to avoid unnecessary repeated troubleshooting and routing inspection, the labor force is saved, and the detection efficiency and the detection precision of the pipe network are improved.

Disclosure of Invention

The invention provides a pipe network online detection system based on an Internet of things platform, which can detect the running state and leakage condition of a pipe network in real time, solves the problems of inconvenience in monitoring the running state of the pipe network and difficulty in troubleshooting of the pipe network in the prior art, and can remotely control the pipe network on a mobile phone by a user.

The invention adopts the following technical scheme.

A pipe network online detection system based on an Internet of things platform comprises a data analysis module; the data analysis module is connected with a plurality of monitoring nodes arranged at a pipe network through a communication network; the monitoring node comprises a communication module and a sensor assembly used for collecting pipe network operation data.

The sensor assembly of the monitoring node comprises a flow sensor (1), a pressure sensor (7) and a temperature sensor (8); the monitoring node also comprises a portable power supply (3) and an STM32 microcontroller (6) connected with the communication module; the STM32 microcontroller is connected with the sensor assembly through a digital I/O port to perform data transmission and control; the STM32 microcontroller of monitoring node passes through the pipe network operating mode data of sensor module collection monitoring node position department to upload pipe network operating mode data to the data analysis module of thing networking platform department through communication module.

The communication module of the monitoring node comprises a wireless transmission module (5); the monitoring node also comprises a sealing ring (2) and a four-way joint (4); the monitoring node is fixed at the pipe network by a four-way joint; the STM32 microcontroller is fixed at the four-way joint in a buckling structure, a flow sensor is arranged beside the four-way joint, and a pressure sensor and a temperature sensor are arranged above the four-way joint; the portable power supply is arranged on the flow sensor in a buckling structure; the wireless transmission module is installed on the STM32 microcontroller in a welding mode.

The flow sensor (1), the pressure sensor (7), the temperature sensor (8) and the four-way joint (4) are connected through pipe threads and sealed through the sealing ring (2), the sealing ring (2) is an O-shaped sealing ring, and the diameter of a probe of the temperature sensor (8) is slightly smaller than that of an upper hole of the four-way joint (4).

The pipe network working condition data comprises pipe network flow data, pipe network pressure data and pipe network temperature data; the detection method of the online detection system comprises the following steps:

a1, the data analysis module establishes a curve model under the normal working condition of the pipe network according to the historical data of the pipe network working condition data uploaded by each monitoring node;

a2, after the data analysis module receives newly uploaded pipe network working condition data, evaluating the uploaded data by using a curve model under the normal working condition of the pipe network to judge whether the pipe network has a blocking fault or a leakage fault;

step A3, when the data analysis module judges that the pipe network has a blocking fault or a leakage fault, the data analysis module pushes fault alarm information to the mobile phone client of the related personnel to inform the mobile phone client of the related personnel to perform corresponding processing;

and A4, relevant personnel issue control instructions to the monitoring nodes through the Internet of things platform, and the monitoring nodes transmit the received control instructions to corresponding pipe network pipe valve control switches through the communication modules, so that the relevant personnel can integrally control the pipe network through the Internet of things platform.

In step a2, when the data analysis module determines whether a leakage fault exists in the pipe network, first process the pressure information of the pipe network, determine whether the pipe network leaks according to the negative pressure wave characteristics acquired by the pressure sensor, if it can be determined that the pipe network has leaked according to the pressure information, process the flow information of the pipe network, perform secondary confirmation according to the flow information acquired by the flow sensor, if it is determined that the pipe network has a leakage fault, find out the specific location of the pipe network leakage by using a temperature gradient method according to the temperature information reported by the temperature sensor, and finally send a pipe network leakage report to the mobile phone client by the internet of things platform, where the mobile phone client stores the received pipe network leakage report to the mobile phone and timely reminds the user of the mobile phone client, and the user performs corresponding processing.

If the pipe network is a drainage pipe, in step A2, when the data analysis module judges whether the pipe network has a blockage fault, establishing a complex long pipeline blockage detection model based on a characteristic line method by adopting a transient flow method, deducing pressure and flow iterative equations at each monitoring node in the pipeline by using the characteristic line method, and deducing area parameters of pipeline blockage according to the blockage flow model; whether the drainage pipeline is blocked or not can be obtained by comparing the pipe network working condition data acquired by the sensor assembly at the monitoring node; and finally, sending a pipe network blockage report to the mobile phone client by the Internet of things platform, and carrying out corresponding processing by the user according to the pipe network blockage report.

The mobile phone client is provided with a mobile phone application APP providing an access interface of the Internet of things platform, a user is automatically connected to the Internet of things platform after entering the APP, four detection interfaces of flow, pressure, temperature and electric quantity are arranged on an interactive interface of the mobile phone application APP, and the user can directly check the working condition of the monitoring node detection device and the current operation state of the pipe network through the interfaces; a pipe network valve control switch, a theme subscription button and a message publishing button are further arranged on an interactive interface of the mobile phone application APP, and a user can control a pipe network through the buttons; the interactive interface of the mobile phone application APP is also provided with a message list for receiving various messages sent to the mobile phone client by the Internet of things platform.

The invention has the following beneficial effects: the pipe network on-line detection system based on the platform of the Internet of things sends various information of the pipe network collected by the sensor to the platform of the Internet of things through the wireless transmission module, develops the application of the mobile phone client to access the platform of the Internet of things, and a user can directly check the current flow, temperature and pressure of the pipe network through the mobile phone client and check the power consumption condition of the detection device in real time, the electric quantity of the portable electric appliance can be effectively supplemented by the staff in time, the detection device is prevented from stopping working due to the exhaustion of the electric quantity, meanwhile, the platform of the Internet of things can carry out analysis processing according to various parameters of the pipe network, if an emergency situation can be timely sent to the client, for example, the problem of leakage of the pipe network occurs, the Internet of things platform can send a message to the mobile phone client, and promptly informs a user that the pipe network is leaked, and informs the user of the approximate position where the leakage occurs, so that the user can conveniently and thoroughly overhaul. The invention can avoid a comprehensive coverage failure troubleshooting mode without focus, carry out targeted failure troubleshooting and greatly save manpower and material resources.

The technical scheme of the invention comprises three parts, namely client application, an Internet of things platform and a pipe network detection device; the client application is developed by integrated development software such as Andriod Studio or Eclipse, people can monitor the running state of the pipe network on the mobile phone through the client application, the carrying is convenient, the pipe network can be checked at any time, if the pipe network has faults such as leakage, blockage and the like, people can know the faults at the first time, and the loss caused by the faults of the pipe network is reduced.

The invention selects the platform of the Internet of things; use STM32 microcontroller as core control ware in the aspect of the network management detection device of monitoring node, can be through each item parameter of perception layer real-time detection drainage pipe network, the perception layer comprises the sensor of each node in the pipe network, all be equipped with flow sensor of every node, pressure sensor, temperature sensor, thereby it reaches the purpose of real-time detection pipe network running condition and leakage condition to be used for detecting each item parameter in the pipe network, still can upload these data through wireless transmission module and store on the thing networking platform, utilize the multi-parameter to carry out analytic processing and judge whether the pipe network takes place to block up and reveal the scheduling problem.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a schematic diagram of the principles of the present invention;

FIG. 2 is a schematic diagram of a monitoring node;

FIG. 3 is another schematic diagram of a monitoring node;

FIG. 4 is a schematic flow chart of pipe network fault detection;

in the figure: 1. a flow sensor; 2. a seal ring; 3. a portable power source; 4. a four-way joint; 5. a wireless transmission module; 6. an STM32 microcontroller; 7. a pressure sensor; 8. a temperature sensor.

Detailed Description

As shown in the figure, the online pipe network detection system based on the platform of the internet of things comprises a data analysis module; the data analysis module is connected with a plurality of monitoring nodes arranged at a pipe network through a communication network; the monitoring node comprises a communication module and a sensor assembly used for collecting pipe network operation data.

The sensor assembly of the monitoring node comprises a flow sensor 1, a pressure sensor 7 and a temperature sensor 8; the monitoring node also comprises a portable power supply 3 and an STM32 microcontroller 6 connected with the communication module; the STM32 microcontroller is connected with the sensor assembly through a digital I/O port to perform data transmission and control; the STM32 microcontroller of monitoring node passes through the pipe network operating mode data of sensor module collection monitoring node position department to upload pipe network operating mode data to the data analysis module of thing networking platform department through communication module.

The communication module of the monitoring node comprises a wireless transmission module 5; the monitoring node further comprises a sealing ring 2 and a four-way joint 4; the monitoring node is fixed at the pipe network by a four-way joint; the STM32 microcontroller is fixed at the four-way joint in a buckling structure, a flow sensor is arranged beside the four-way joint, and a pressure sensor and a temperature sensor are arranged above the four-way joint; the portable power supply is arranged on the flow sensor in a buckling structure; the wireless transmission module is installed on the STM32 microcontroller in a welding mode.

The flow sensor 1, the pressure sensor 7, the temperature sensor 8 and the four-way joint 4 are connected through pipe threads and sealed through the sealing ring 2, the sealing ring 2 is an O-shaped sealing ring, and the diameter of a probe of the temperature sensor 8 is slightly smaller than that of an upper hole of the four-way joint 4.

The pipe network working condition data comprises pipe network flow data, pipe network pressure data and pipe network temperature data; the detection method of the online detection system comprises the following steps:

a1, the data analysis module establishes a curve model under the normal working condition of the pipe network according to the historical data of the pipe network working condition data uploaded by each monitoring node;

a2, after the data analysis module receives newly uploaded pipe network working condition data, evaluating the uploaded data by using a curve model under the normal working condition of the pipe network to judge whether the pipe network has a blocking fault or a leakage fault;

step A3, when the data analysis module judges that the pipe network has a blocking fault or a leakage fault, the data analysis module pushes fault alarm information to the mobile phone client of the related personnel to inform the mobile phone client of the related personnel to perform corresponding processing;

and A4, relevant personnel issue control instructions to the monitoring nodes through the Internet of things platform, and the monitoring nodes transmit the received control instructions to corresponding pipe network pipe valve control switches through the communication modules, so that the relevant personnel can integrally control the pipe network through the Internet of things platform.

In step a2, when the data analysis module determines whether a leakage fault exists in the pipe network, first process the pressure information of the pipe network, determine whether the pipe network leaks according to the negative pressure wave characteristics acquired by the pressure sensor, if it can be determined that the pipe network has leaked according to the pressure information, process the flow information of the pipe network, perform secondary confirmation according to the flow information acquired by the flow sensor, if it is determined that the pipe network has a leakage fault, find out the specific location of the pipe network leakage by using a temperature gradient method according to the temperature information reported by the temperature sensor, and finally send a pipe network leakage report to the mobile phone client by the internet of things platform, where the mobile phone client stores the received pipe network leakage report to the mobile phone and timely reminds the user of the mobile phone client, and the user performs corresponding processing.

If the pipe network is a drainage pipe, in step A2, when the data analysis module judges whether the pipe network has a blockage fault, establishing a complex long pipeline blockage detection model based on a characteristic line method by adopting a transient flow method, deducing pressure and flow iterative equations at each monitoring node in the pipeline by using the characteristic line method, and deducing area parameters of pipeline blockage according to the blockage flow model; whether the drainage pipeline is blocked or not can be obtained by comparing the pipe network working condition data acquired by the sensor assembly at the monitoring node; and finally, sending a pipe network blockage report to the mobile phone client by the Internet of things platform, and carrying out corresponding processing by the user according to the pipe network blockage report.

The mobile phone client is provided with a mobile phone application APP providing an access interface of the Internet of things platform, a user is automatically connected to the Internet of things platform after entering the APP, four detection interfaces of flow, pressure, temperature and electric quantity are arranged on an interactive interface of the mobile phone application APP, and the user can directly check the working condition of the monitoring node detection device and the current operation state of the pipe network through the interfaces; a pipe network valve control switch, a theme subscription button and a message publishing button are further arranged on an interactive interface of the mobile phone application APP, and a user can control a pipe network through the buttons; the interactive interface of the mobile phone application APP is also provided with a message list for receiving various messages sent to the mobile phone client by the Internet of things platform.

In this example, the power input end wire of STM32 microcontroller is connected with external portable power, is equipped with the power output of 3.3V and 5V voltage on the STM32, can supply power to sensor module and wireless transmission module according to each sensor particular case.

The flow sensor 1 adopts a Hall flow sensor to collect flow information in a pipe network,

the pressure sensor 7 adopts a ceramic pressure sensor to collect pressure information in the pipe network, and the temperature sensor 8 adopts a DS18B20 digital temperature sensor to collect temperature data in the pipe network.

The related signals of the monitoring node detection system comprise 1 path of analog input signals and 3 paths of digital input signals. Wherein the analog input signal comes from the pressure sensor 7, and the digital input signal comes from the flow sensor 1, the portable power supply 3 and the temperature sensor 8.

In this example, the platform system of the internet of things collects the flow, pressure, temperature and remaining capacity of the detection devices of each node in the pipe network through the detection devices of the pipe network monitoring nodes, the STM32 microcontroller 6 obtains data and then uploads the data to the platform of the internet of things through the wireless transmission module 5, the platform of the internet of things sends information needed by a user to a mobile phone client after analysis and processing, meanwhile, the user can send a command to the platform of the internet of things through the mobile phone client, the platform of the internet of things sends the command to the pipe network detection devices through the wireless transmission module, the pipe network detection devices are controlled through the STM32 microcontroller 6, and the wireless transmission module 5 adopts the ESP8266-01S WIFI module to use an AT command to report and receive data of the internet of things.