Water tube leakage monitoring devices based on distributed fiber sensing

The utility model provides a water tube leakage monitoring devices based on distributed fiber sensing. Including light source module, wavelength division multiplexing module, sensing fiber, a photovoltaic conversion module, signal processing module and monitoring module, wherein light source module is connected with wavelength division multiplexing module and signal processing module respectively, wavelength division multiplexing module is connected to sensing fiber's one end, two inputs of photoelectric conversion module are connected with two outputs of wavelength division multiplexing module respectively, two outputs of photoelectric conversion module are connected with two inputs of signal processing module respectively, signal processing module's output and monitoring module are connected. The utility model discloses sensing fiber lays in the department below the water pipe, can effectually detect water leakage phenomenon and the place of location leakage in time from the beginning, removes the trouble o