Patent ID: 8776592

Claim:
An automatic hydrologic parameter measuring system for a river flow, comprising: a supporting frame for fixing measurement units; in using, the a supporting frame being installed below a bridge surface or a rope running across a river; a waterproof box installed on the supporting frame; a wire winding unit connected to a steel rope; the steel rope extending out of the waterproof box for suspending a weight; one end of the steel rope connected to the wire winding unit and another end thereof extending downwards out of the waterproof box for retaining the weight; the waterproof electric wire winding around the steel rope for transferring signals to the signal processor; the signal processor emitting signals to the steel rope, the waterproof electric wire and the weight, the signal processor having a function of setting time period for measuring hydrologic parameters; and a water pressure meter installed in a hollow space of the weight at a distal end of the steel rope; when the weight being in water, the water pressure meter starts the measuring process; after the weight reaches to the riverbed, the water pressure is unchangeable; thus, whether the water pressure reaches to a fixed value is used to determine whether the weight reaches to the riverbed.