Dynamic water level detection device for underground water

The utility model provides a groundwater dynamic water level detection device which comprises a detection rope, a laser range finder, a data processor and a rolling assembly, a plurality of probes are evenly distributed on the two sides of the detection rope in an equal scale mode, one ends of the probes on the two sides are electrically connected with a power supply unit, and a gap is reserved between the free ends of the probes on the two sides. Wherein the plurality of probes on one side are electrically connected with corresponding induction lamps respectively, the induction lamps are fixed on the detection rope, the induction lamps are matched with the laser range finder to measure the distance between the opened induction lamps and the laser range finder, the laser range finder is electrically connected with the data processor, and the data processor is electrically connected with the laser range finder to measure the distance between the opened induction lamps and the laser range finder. The winding as