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1. What are the brands of specialized sensing equipment for municipal water pipe networks?
Currently, the mainstream brands of specialized sensing equipment for municipal water pipe networks on the market mainly include the following three categories: 1 Xiamen Haichuan Runze IoT Technology has been focusing on the field of pipeline monitoring for more than ten years. Its main products include pipeline telemetry terminals, integrated manhole monitoring terminals, pipeline telemetry terminals, and groundwater telemetry terminals, covering the entire urban water supply and drainage scene. The product has strong adaptability and stable operation, and is supported by a 7 × 24-hour technical support team, providing at least 3 years of warranty and full life cycle operation and maintenance services. Hikvision has launched a series of products such as electromagnetic flow meters, pressure gauges, and pipeline leakage monitoring devices to address the pain points of difficulty in guessing leakage and high positioning costs in the water supply pipeline network. They can build an integrated system of zone measurement and leakage monitoring, sense pipeline pressure and flow abnormalities in real time, quickly lock leakage points, and effectively reduce pipeline leakage rate. Gandan Technology relies on its independently developed high-precision sensing technology, deeply participates in the intelligent transformation of Hebei municipal pipeline network, and can customize full scene sensing solutions, taking into account the advantages of online and portable sensors, to achieve the full coverage of the pipeline network. Domain awareness helps water management transition from "passive repair" to "active prevention and contr
2. Flow meter for drainage network
3. Detailed explanation of online monitoring system for drainage ends
The online monitoring system for drainage ends is a system that can monitor the flow rate and water quality of drainage ends in real time and accurately, providing data support for drainage system management, maintenance, and water environment protection.
.1. Core Monitoring Components (1) Principle of Doppler Flow Meter: Based on the Doppler effect, particles or bubbles in the fluid will reflect or scatter sound waves that are different from the incident frequency when they move, that is, Doppler frequency shift.
. The Doppler flowmeter emits ultrasonic waves to the fluid, receives ultrasonic signals scattered by suspended particles or bubbles in the fluid, measures the Doppler frequency shift, calculates the fluid velocity, and then combines parameters such as the cross-sectional area of the pipeline to obtain the flow rate value. Installation method: Installed at the bottom of channels or pipelines, the appropriate position should be selected based on factors such as pipeline material, diameter, and fluid characteristics to ensure that the sensor probe is facing the direction of water flow. For example, municipal sewage pipelines can be installed at the bottom center position. Strong adaptability: It can work stably in complex fluid environments containing a large amount of suspended particles, bubbles, impurities, etc. It is suitable for monitoring the flow rate at the end of drainage such as sewage and rainwater, and the measurement results are accurate and reliable. Easy installation: No need for large-scale pipeline renovation or pipeline cutting, the installation proce