Introduction to hydrological on-line monitoring system

The on-line hydrological monitoring system can obtain the rainfall, water level and other data in the basin in real time, and provide scientific basis for flood control and drought relief. The traditional hydrologic measurement method mainly relies on manual observation and recording data to collect and analyze water information, which has high labor intensity, low efficiency and easy to miss measurement phenomenon, and can no longer meet the needs of modern society. With the continuous progress of science and technology, hydrological online monitoring system has gradually become an important hydrological monitoring tool with the advantages of low power consumption, low cost, flexible and convenient networking, easy deployment and maintenance, and has gradually developed in the direction of intelligence.

Hydrology online monitoring system is a set of automatic data collection, transmission and processing automatic monitoring system built on the basis of traditional rainfall stations, collect rainfall or runoff related parameters in the basin through sensors, and then use wireless communication technology to send monitoring data to the remote monitoring center for processing and display. It has the characteristics of strong real-time, high reliability and accurate measurement. As a distributed network system, each node transmits data through wireless communication technology. Each monitoring point can exchange monitoring data and form a complete data link. The system can be widely used in rivers, lakes, reservoirs, hydropower stations and other water conservancy projects.

Hydrologic on-line monitoring system involves many disciplines: communication theory, computer technology, electronic information engineering and so on. It includes three parts: hardware equipment (rainfall monitor), software module and cloud platform. The combination of hardware and software has good expansibility.