Urban flood ponding detection device

The utility model provides an urban flood ponding detection device, which relates to the technical field of ponding detection, and comprises a water seepage net, a checking floating plate is arranged above the water seepage net, one end of the checking floating plate is fixedly provided with an induction metal sheet, a laser distance measuring sensor is arranged above the checking floating plate, and the laser distance measuring sensor is fixedly connected with the checking floating plate. The laser distance measuring sensor is in signal connection with a proximity switch through a PLC control module. The laser distance measuring device has the advantages that the protection structure is arranged to wrap and protect the liquid level sensor, and the floating plate structure capable of ascending and descending along with the water level is arranged in the protection structure, so that the laser distance measuring sensor can be started through the proximity switch in the ascending process of the floating plate s