CN110595563A - Hydrological monitoring system and method based on ONENET Internet of things platform - Google Patents
Hydrological monitoring system and method based on ONENET Internet of things platform Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a hydrological monitoring system and method based on an ONENET Internet of things platform. The system includes hydrology monitoring devices and ONENET thing networking platform, hydrology monitoring devices include STM32 singlechip and the liquid level transmitter water level collection module who is connected with this STM32 singlechip, be used for showing the display module of water level monitoring data, be used for realizing the ESP8266 module of STM32 singlechip and ONENET thing networking platform communication at local end, hydrology monitoring devices still including be used for the 24V power module of liquid level transmitter water level collection module power supply, be used for the 5V power module for the power supply of STM32 singlechip. The invention has the characteristics of low cost, low power consumption, strong reliability and more convenient networking; the water level real-time change condition can be monitored, the safety of monitoring personnel for hydrologic monitoring of remote dangerous areas can be guaranteed, and meanwhile, the monitoring system can also timely take quick early warning notification for the water level change condition.
Description
Technical Field
The invention belongs to the field of hydrological devices, and particularly relates to a hydrological monitoring system and method based on an ONENET Internet of things platform, wherein an ESP8266 module and the ONENET Internet of things platform are applied to realize river water level monitoring.
Background
As is well known, water conservancy and hydrology are very important information resources for a region or a country, and a hydrological monitoring technology is responsible for processing the water conservancy and hydrological information, and the technology is a systematic technology set and mainly relates to a computer technology, a sensor technology, a communication technology and the like, and after the information is acquired and processed, the important information of the water conservancy and hydrological information can be correctly reflected. In recent years, natural disasters frequently occur, and monitoring and forecasting become an effective disaster prevention and reduction measure. Flood disasters caused by typhoons and earthquakes bring huge economic and mental losses to countries and people, and the problem of scientific harm reduction is urgent. By predicting the change of the river water level in advance and giving an early warning, the loss of flood disasters to the country and people can be reduced to a great extent, and a scientific and effective river water level alarm system is very necessary. The hydrologic monitoring technology can use the latest technology to achieve scientific disaster reduction. The prior hydrological monitoring technology in China is still in a relatively laggard state, laggard equipment is still used for monitoring hydrological information in rivers, lakes and reservoirs in many areas, traditional manual acquisition of hydrological information is also used in more places, and the methods can not meet the requirements of people at present. The backward data acquisition mode can not only accurately acquire hydrological information, but also can not comprehensively and effectively deal with sudden natural disasters to realize real-time monitoring and acquisition. In foreign countries, the development of hydrological monitoring technology is still advanced, the detection technology is mature due to the long research time, the research in the aspect of the United states is particularly prominent, the development of wireless network technology is combined with the hydrological detection technology, so that the hydrological detection mode is more flexible and changeable, and the detection range is greatly expanded.
There are related patent applications for hydrological monitoring: an open system (201810846789.0) for hydrological water resource monitoring, a channel fixed-point hydrological monitoring interaction system (201821492659.3), a hydrological monitoring station (201010296195.0), an irrigation monitoring system (201721848975.5) based on an Oneet platform, patent application 1, 2, 3, 4 or scheme is high in cost or not in the hydrological field or considering communication stability problem or high power consumption or complex networking, therefore, the application provides a hydrological monitoring system and method based on an ONENET Internet of things platform aiming at the defects of the existing scheme, an ESP8266 module is connected with the ONENET Internet of things platform, the real-time water level change condition can be monitored, the safety of monitoring personnel for hydrological monitoring in remote dangerous areas can be guaranteed, meanwhile, the monitoring system can timely adopt quick early warning notification on the water level change condition, and is low in cost, low in power consumption and high in reliability, And the networking is more convenient. The application in the aspect of water level monitoring can greatly improve the real-time performance, continuity and precision of a water level monitoring system. The design of the system has a positive promoting effect on the development of hydrological monitoring technology in the future, plays a role in quickly early warning the occurrence of natural disasters, and provides valuable escape time for people in a disaster area.
Disclosure of Invention
The invention aims to provide a hydrological monitoring system and method based on an ONENET Internet of things platform, which have the characteristics of low cost, low power consumption, strong reliability and more convenient networking, can monitor the real-time change condition of the water level, can also ensure the safety of monitoring personnel for hydrological monitoring in remote dangerous areas, and can also adopt quick early warning notification to the change condition of the water level in time
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a hydrology monitoring system based on ONENET thing networking platform, includes hydrology monitoring devices and ONENET thing networking platform, hydrology monitoring devices include STM32 singlechip and the liquid level changer water level acquisition module who is connected with this STM32 singlechip, be used for at the display module of local end demonstration water level monitoring data, be used for realizing the ESP8266 module of STM32 singlechip and ONENET thing networking platform communication, hydrology monitoring devices still including be used for 24V power module, the 5V power module that is used for supplying power for the liquid level changer water level acquisition module power supply for STM32 singlechip.
In an embodiment of the invention, the liquid level acquisition module of the liquid level transmitter adopts an HH-T20J model input type static pressure water level sensor as a water level sensing detection element.
In one embodiment of the invention, the HH-T20J type drop-in static pressure water level sensor is placed in the measuring water pipe.
In an embodiment of the present invention, the display module employs an LCD12864 display screen.
In an embodiment of the invention, the system further comprises a mobile phone and a PC which are communicated with the ONENET Internet of things platform.
The invention also provides a hydrological monitoring method based on the hydrological monitoring system based on the ONENET Internet of things platform, which comprises the following steps:
s1, building a hydrological monitoring and monitoring device, connecting an STM32 single chip microcomputer with a liquid level transmitter water level acquisition module, a display module and an ESP8266 module, connecting the liquid level transmitter water level acquisition module with a 24V power module, and then placing an input type static pressure water level sensor of the liquid level transmitter water level acquisition module in a measuring water pipe;
s2, starting a power supply and debugging a system to realize communication between the STM32 single chip microcomputer and an ONENET Internet of things platform;
step S3, liquid level transmitter water level collection module gathers water level data and transmits for STM32 singlechip and handles, and the depth value and the voltage size that liquid level transmitter water level collection module measured are:
wherein, U is the voltage size, unit: mV; h is depth;
and S4, the STM32 singlechip transmits the data to the ONENET Internet of things platform through an ESP8266 module, and the data are broadcasted to the mobile phone and the PC by the ONENET Internet of things platform.
Compared with the prior art, the invention has the following beneficial effects: the hydrological monitoring system has the characteristics of low cost, low power consumption, strong reliability and more convenience in networking, can monitor the real-time water level change condition, can also guarantee the safety of monitoring personnel for hydrological monitoring in remote dangerous areas, and can also adopt quick early warning notification to the water level change condition in time.
Drawings
Fig. 1 is a schematic diagram of the architecture of the hydrological monitoring system based on the ONENET internet of things platform.
Fig. 2 is a connection schematic diagram of the hydrological monitoring system based on the ONENET internet of things platform.
FIG. 3 is a monitoring interface of the system of the present invention.
FIG. 4 is a line graph of measured data for the system of the present invention.
FIG. 5 is a circuit schematic diagram of the STM32 single chip microcomputer minimum system.
Fig. 6 is a schematic circuit diagram of an ESP8266 module of the present invention.
FIG. 7 is a schematic diagram of a display module circuit according to the present invention.
Fig. 8 is a schematic circuit diagram of a power module according to the present invention.
Fig. 9 is a schematic diagram of a wiring circuit of the drop-in type static pressure water level sensor of the present invention.
Detailed Description
The technical scheme of the invention is specifically explained below with reference to the accompanying drawings.
The invention provides a hydrological monitoring system based on an ONENET Internet of things platform, which comprises a hydrological monitoring device and an ONENET Internet of things platform, wherein the hydrological monitoring device comprises an STM32 single chip microcomputer, a liquid level transmitter water level acquisition module connected with the STM32 single chip microcomputer, a display module (adopting an LCD12864 display screen) for displaying water level monitoring data at a local end, an ESP8266 module for realizing communication between the STM32 single chip microcomputer and the ONENET Internet of things platform, a 24V power supply module for supplying power to the liquid level transmitter water level acquisition module, and a 5V power supply module for supplying power to the STM32 single chip microcomputer (as shown in figure 8). The liquid level transmitter water level acquisition module adopts an HH-T20J model input type static pressure water level sensor as a water level sensing detection element. The HH-T20J type throw-in static pressure water level sensor is arranged in the measuring water pipe. The system also comprises a mobile phone and a PC which are communicated with the ONENET Internet of things platform.
The invention also provides a hydrological monitoring method based on the hydrological monitoring system based on the ONENET Internet of things platform, which comprises the following steps:
s1, building a hydrological monitoring and monitoring device, connecting an STM32 single chip microcomputer with a liquid level transmitter water level acquisition module, a display module and an ESP8266 module, connecting the liquid level transmitter water level acquisition module with a 24V power module, and then placing an input type static pressure water level sensor of the liquid level transmitter water level acquisition module in a measuring water pipe;
s2, starting a power supply and debugging a system to realize communication between the STM32 single chip microcomputer and an ONENET Internet of things platform;
step S3, liquid level transmitter water level collection module gathers water level data and transmits for STM32 singlechip and handles, and the depth value and the voltage size that liquid level transmitter water level collection module measured are:
wherein, U is the voltage size, unit: mV; h is depth;
and S4, the STM32 singlechip transmits the data to the ONENET Internet of things platform through an ESP8266 module, and the data are broadcasted to the mobile phone and the PC by the ONENET Internet of things platform.
The following is a specific example of the present invention.
As shown in fig. 1 and 2, the embodiment designs a set of river water level monitoring system based on an STM32 single chip microcomputer and an ESP8266 module, and combines a networking platform to realize the functions of real-time acquisition, timing report, abnormal alarm and the like of the river water level; including hydrology monitoring devices and ONENET thing networking platform, hydrology monitoring devices includes STM32 singlechip and the liquid level transmitter water level collection module who is connected with this STM32 singlechip, is used for showing the display module of water level monitoring data at local end (adopt LCD12864 display screen, as shown in figure 7), is used for realizing the ESP8266 module of STM32 singlechip and ONENET thing networking platform communication, hydrology monitoring devices still including being used for the 24V power module of the power supply of liquid level transmitter water level collection module, being used for the 5V power module for the power supply of STM32 singlechip. The main realization functions are as follows:
the data acquisition of different water level changes can be realized.
The outdoor power supply is suitable, and the system stability is guaranteed.
The change of the collected data is checked in real time through computer or mobile phone software.
The real-time early warning of abnormal data needs to be accurate and effective.
The internet of things platform can generate a line graph to facilitate data analysis.
The hydrological monitoring system of the present example employs the following components:
1. STM32 single chip microcomputer
The single chip microcomputer chip adopts STM32 series single chip microcomputer designed by ST company as the control core of the whole system, adopts Cortex-M3 specially designed for high-performance, low-cost and low-power consumption system as hardware architecture, and official provides graphic bottom library generation software STM32Cube MX, thereby greatly reducing software development difficulty and having good compatibility with KEIL programming software. After comprehensive analysis, STM32F103RCT6 was selected as the monolithic chip of the present design (as shown in FIG. 5).
2. Water level acquisition module of liquid level transmitter
An HH-T20J type drop-in static pressure water level sensor (i.e., drop-in level transmitter, shown as a water level sensor interface diagram in FIG. 9) is used as the water level sensing element. The force-sensitive chip with high precision and high stability of an imported stainless steel isolation diaphragm is adopted, a stainless steel shell is welded in a fully-sealed mode through reasonable and precise structural design and thick film technology temperature compensation, signal amplification and V/I conversion, a sensor back pressure cavity is connected with the atmosphere through a waterproof cable with a ventilation conduit, and therefore 4-20mA or 0-10 mA signals of industrial standards are output, and the performance is stable and reliable. The input transducer is based on the principle that the static pressure of the measured liquid is in direct proportion to the height of the liquid, adopts the piezoresistive effect of a diffused silicon or ceramic sensitive element to convert the static pressure into an electric signal, and converts the electric signal into a 4-20mADC standard current signal to output after temperature compensation and linear correction. After comprehensive analysis, the HH-T20J level transmitter was selected as the measurement sensor of the present design.
3. ESP8266 module
The communication module adopts an ESP8266 series module, has the advantages of low price, low power consumption, complete TCP/IP stack and microcontroller functions, large working temperature range of the ESP8266 series module, strong stability, capability of being used in various environments, support of connection with an ONENET Internet of things platform, and accordance with design requirements, and the ESP8266 series module is selected as a designed wireless communication module (as shown in figure 6) after comprehensive analysis.
4. Internet of things platform selection
The ONENET serves as an open cloud platform of the Internet of things, intelligent hardware development tools are rich in types, platform services are reliable, and the ONENET can help various terminal devices to quickly access a network and complete integrated service processes such as data transmission, data storage and data management. ONENET can provide three communication modes: ethernet communications, GPRS data traffic communications, and Wi-Fi wireless communications. And after comprehensive analysis, selecting an ONENET Internet of things platform as the cloud platform designed at this time.
The main hardware design of the river water level monitor is formed by an STM32F103RCT6 singlechip, an ESP8266 wireless module, an ONENET Internet of things platform, an LCD12864 display screen and the like. The design block diagram and the system composition are shown in fig. 1 and fig. 2. And (3) applying Windows monitoring software and developing a database based on the VC # platform. The data source is provided by an ONENET Internet of things platform, the API interface of the ONENET platform is accessed, and the data uploaded to the ONENET platform is downloaded to Windows monitoring software through the Internet, so that the real-time data can be quickly checked, and the monitoring efficiency is improved. Windows monitoring software design, as shown in FIG. 3 monitoring interface.
The water level depth and the voltage can be found by a plurality of times of experimental results of the hydrological monitoring device of the embodiment of the invention and approach to the linear relation shown in figure 4, and the working principle of the liquid level transmitter can be known, and the depth value and the voltage measured by the liquid level transmitter used in the experiment are approximate to:
wherein, U is the voltage size, unit: mV; h is depth, unit: cm.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a hydrology monitoring system based on ONENET thing networking platform, a serial communication port, including hydrology monitoring devices and ONENET thing networking platform, hydrology monitoring devices includes the STM32 singlechip and the liquid level changer water level acquisition module who is connected with this STM32 singlechip, is used for at the display module of local end demonstration water level monitoring data, is used for realizing the ESP8266 module of STM32 singlechip and ONENET thing networking platform communication, hydrology monitoring devices still including be used for the 24V power module of the power supply of liquid level changer water level acquisition module, be used for the 5V power module for the power supply of STM32 singlechip.
2. The hydrological monitoring system based on the ONENET Internet of things platform as claimed in claim 1, wherein the liquid level transmitter water level acquisition module adopts an HH-T20J model input type static pressure water level sensor as a water level sensing detection element.
3. The hydrological monitoring system based on the ONENET Internet of things platform as claimed in claim 2, wherein the input type static pressure water level sensor of model HH-T20J is placed in a measuring water pipe.
4. The hydrological monitoring system based on the ONENET Internet of things platform as claimed in claim 1, wherein the display module adopts an LCD12864 display screen.
5. The hydrological monitoring system based on the ONENET Internet of things platform as claimed in claim 1, further comprising a mobile phone and a PC which are in communication with the ONENET Internet of things platform.
6. A hydrological monitoring method of a hydrological monitoring system based on an ONENET Internet of things platform is based on any one of claims 1 to 5, and is characterized by comprising the following steps:
s1, building a hydrological monitoring and monitoring device, connecting an STM32 single chip microcomputer with a liquid level transmitter water level acquisition module, a display module and an ESP8266 module, connecting the liquid level transmitter water level acquisition module with a 24V power module, and then placing an input type static pressure water level sensor of the liquid level transmitter water level acquisition module in a measuring water pipe;
s2, starting a power supply and debugging a system to realize communication between the STM32 single chip microcomputer and an ONENET Internet of things platform;
step S3, liquid level transmitter water level collection module gathers water level data and transmits for STM32 singlechip and handles, and the depth value and the voltage size that liquid level transmitter water level collection module measured are:
wherein, U is the voltage size, unit: mV; h is depth;
and S4, the STM32 singlechip transmits the data to the ONENET Internet of things platform through an ESP8266 module, and the data are broadcasted to the mobile phone and the PC by the ONENET Internet of things platform.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115019495A (en) * | 2022-06-27 | 2022-09-06 | 中煤科工集团西安研究院有限公司 | Hydrological monitoring system and method based on wireless networking |
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