ADCP Doppler flowmeter manufacturer | What are the technical methods for measuring water level and flow rate | Pingjiang County Ultrasonic Flow Meter Manufacturer

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1. Monitoring of water level and flow velocity in waterways

Monitoring of water level and flow velocity in waterways is an important means to ensure shipping safety and optimize water resource management. Through online monitoring systems, real-time monitoring of hydrological changes in waterways can be achieved, and timely warnings can be issued in case of abnormalities. The following is a specific introduction: The system composition of the online monitoring system for waterway water level and flow rate consists of a sensing layer, a transmission layer, a platform layer, an application layer, and a unified portal. The sensing layer is composed of sensors, radar, and water level gauge. Using the principle of microwave reflection, the water depth data is automatically obtained by calculating the time difference between transmitting electromagnetic waves and receiving echoes, combined with the installation height of the equipment. Radar flowmeter: Based on the electromagnetic wave Doppler effect, it emits 24GHz electromagnetic waves to irradiate the surface of water, and obtains the surface velocity of water by analyzing the Doppler frequency shift of the echo. Radar flowmeter: Integrated design of radar flowmeter and radar water level gauge, capable of simultaneously monitoring flow velocity and water level, and calculating flow rate through velocity area method. ADCP (Acoustic Doppler Current Profiler): It uses the Doppler effect to measure the flow velocity of water bodies. By emitting ultrasonic waves and analyzing the Doppler frequency shift of the echoes, it measures the flow velocity of each part of the water body in layers, and obtains a flow velocity that is close to the actual water body. Transport la

yer: using telemetry terminals as the core equipment, responsible for processing data collected by front-end sensors and establishing flow calculation models based on different river models to ensure that the data is close to reality. Platform layer: Relying on the Water Measurement Home Data Platform, achieve unified reception, viewing, processing, analysis, evaluation, compilation, publishing, and management of monitoring information. Application layer: Provides functions such as warning analysis, GIS map dynamic display, historical data query, and online monitoring, supports ecological visualization data display, and combines GIS maps to dynamically present flow information and water level changes. Unified Portal: Supports both internal and external network access, compatible with both PC and mobile devices, making it convenient for users to access monitoring data anytime and anywhere. Installation requirements for system application radar water level gauge: The site selection should meet the conditions of straight and stable water flow, avoiding obstacles such as water plants and debris. It can be installed on the cross arm with a clamp, and the angle can be adjusted through a universal adjustment bracket; It can also be suspended on one side of the bridge and fixed with L-shaped brackets. Working principle: Transmit electromagnetic waves to the water surface, receive reflected echoes, calculate time difference, and automatically obtain water depth data by combining electromagnetic wave velocity and equipment installation height. Installation method of radar flowmeter: Similar to radar water level gauge, it can be installed on the cross arm with a universal aerial bracket or on the bridge with an L-shaped bracket. Wo

ADCP Doppler flowmeter manufacturer | What are the technical methods for measuring water level and flow rate

1. Monitoring of water level and flow velocity in waterways

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