Thread Content
This post was last edited by Jinma Water Damage Control on 2025-3-14 at 14:04. I. Detection methods: Thermal imaging detection method. Principle: A thermal imager is used to detect temperature anomalies in the area where water is leaking; the leakage point creates a distinct contrast in the infrared image due to the temperature difference. Applicable scenarios: Detection of hidden leaks inside walls or in underground pipelines. Acoustic wave detection method: Principle – When there is a leak, the flow of water hitting the pipes or the surrounding medium generates sound waves of specific frequencies; an acoustic wave leak detector is used to capture and analyze these signals in order to locate the source of the leak. Implementation method: Use a sound detection rod or electronic sensor to listen for abnormal sounds along pipes or the ground. Pressure testing method: Principle – Pressure is applied to the pipeline after closing the outlet; if the pressure continues to drop, it indicates a leak. Implementation steps: Monitor the changes in values using a pressure gauge, and identify the leak location through systematic inspection. Electronic detection method: Principle – A digital hygrometer or electromagnetic wave detector is used to detect differences in humidity or electromagnetic signals; high humidity or abnormal reflected waves indicate the location of a leak. Tool examples: Electronic hygrometers are used for measuring wall humidity, while electromagnetic detectors are used for scanning underground pipes. Dye testing method: Principle – A fluorescent dye or coloring agent is injected into the pipeline, and the location of the problem area is determined by observing the staining pattern at the leak site. Applicable scenarios: Detection of leaks in drainage systems or sanitary fixtures. Related instrument detection method: Principle – By determining the time difference between the arrival of sound waves indicating leaks at two sensors, and taking into account the material and length of the pipeline, the exact location of the leak can be calculated. II. Classification by core principle: Acoustic principle – The sound waves generated by water leakage propagate through pipes or media; high-sensitivity sensors (such as listening rods and correlators) are used to capture these signals and analyze them. Principles of electromagnetics: Electromagnetic waves are sent into the pipeline, and the condition of pipeline damage is determined based on the reflected signals; this method is suitable for detecting pipelines in complex environments or those buried deep underground. Optical principles involve using fluorescent dyes in conjunction with optical equipment to track the path of leaks, or employing infrared thermal imaging to identify areas with temperature differences. Principles of fluid mechanics: Abnormal changes in pipeline flow are monitored using flow meters, and the location of leaks is determined through pressure testing. III. Auxiliary detection methods: Visual inspection: Observing visible signs of water leakage such as water stains and mold, suitable for preliminary screening. Hygrometer detection: Measures the humidity of air or materials, and identifies potential areas of leakage by comparing the measured values. Historical data analysis: By examining abnormal fluctuations in water bill amounts, the possibility of hidden leaks is inferred.