Acoustic-optic fusion-based seafloor high-resolution towed-type detection device and method

Abstract

The invention discloses an acoustic-optic fusion-based seafloor high-resolution towed-type detection device. The device comprises a measuring ship and an underwater detection assembly; the underwater detection assembly comprises an optoelectronic towed body replacing a ballast; one end of the optoelectronic towed body is connected with the measuring ship through a photoelectric composite cable, and the other end of the optoelectronic towed body is provided with an acoustics towed body; and the optoelectronic towed body is integrated with an integrated detector. In order to solve the problem that no acoustics-optics fusion-based detection device for marine detection exists and to eliminate the defects of inconvenience in optical detection distance adjustment, the instability of the seafloor attitude of an acoustic detector, and high possibility of being lost of an optic detector under the condition of the fracture of the photoelectric composite cable, the invention systematically provides the acoustic-optic fusion-based detection device and method. According to the acoustic-optic fusion-based detection device and method, the height of the optic detector can be adjusted according to a seafloor attitude, so that the optic detector can be prevented from touching the seafloor; and the optic detector can float automatically.

Description

Technical field [0001] The invention belongs to the technical field of marine seabed detection, and particularly relates to a seabed high-resolution towed detection device and method for acoustic and optical fusion. Background technique [0002] Acoustic and optical detection in the prior art are generally used separately. At the same time, the acoustic detection in the prior art uses a towed detection method in which the ballast is underneath and the acoustic detector is floating on the upper layer. The ballast is generally made of an object with a larger specific gravity. In the prior art, the ballast has only one function as a ballast; after the acoustic detection is completed, optical detection or acoustic-optical parallel detection is required. The prior art lacks a detection method that combines acoustics and optics. In addition, optical detection is subject to The detection range of optical instruments is limited, the closer it is, the clearer it is, but too close it is ea...

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the lack of acoustic-optical fusion detection equipment in the existing ocean detection, and at the same time, the optical detection distance is not adjustable, the underwater posture of the acoustic detector is unstable, and the optical detector is easily lost after the photoelectric composite cable is broken, and systematically provides an acoustic detector. Optical fusion detection, which can adjust the height of the optical detector according to the state of the seabed, prevent bottoming out, and can also automatically float up. The seabed high-resolution towed detection device and method of acoustic-optical fusion

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