Water entry depth detection assembly and detection method

The invention discloses a water entry depth detection assembly and a detection method, and relates to the technical field of water depth detection equipment, the water entry depth detection assembly comprises a floating assembly, a driving assembly, a diving assembly and a limiting assembly, and the invention also discloses a detection method of the water entry depth detection assembly, and the detection method comprises the following steps: equipment installation, equipment entry, depth detection, and equipment recovery. By arranging the floating assembly, the floating assembly can float on the water surface, the driving assembly and the diving assembly are arranged in the floating assembly and provided with the traction rope, the diving assembly can enter the water body along with the equipment, and the driving assembly can drive the diving assembly to dive by detecting the movement distance of the traction rope. And due to the arrangement of the floating assembly, the device can detect any position of the