Integrated deepwater underwater transducer array

Abstract

The invention discloses an integrated deepwater underwater transducer array which is applied to underwater ultrasonic detection of the position and shape of a trawl net of a distant water trawler. The integrated deepwater underwater transducer array can realize forward, vertical and annular underwater ultrasonic detection and detect the water depth and temperature of seawater in the position by combining and integrating three transducer arrays in different frequencies and performances and pressure and temperature sensors into a whole. A forward scanning detection array of the transducer arrays can detect information of a net plate of the front trawler and a fish stock, the vertical transducer array can detect targets upward and downward and prevent bottom-touching damages of the trawl net, an annular detection array can perform scanning detection on the shape of the net port of the trawl net, and the pressure sensor and the temperature sensor are used for measuring the depth and temperature of the seawater in the position at which the transducer array is located. The integrated deepwater underwater transducer array disclosed by the invention has the characteristics of high degree of integration and adaptability to large water depth for use.

Description

technical field [0001] The invention relates to an integrated underwater acoustic transducer array, in particular to an underwater acoustic transducer array used in deep water. Background technique [0002] The underwater acoustic transducer matrix is ​​the most important part of sonar detection equipment. It emits detection sound waves into the water and receives reflected echoes from the target. It matches the requirements and functions of sonar detection equipment. It is relatively simple in structure and is often used in water with a depth of less than 300m. [0003] A single forward-looking sonar detection device usually only uses a forward-looking planar array. According to the functions and requirements of the sonar equipment, some arrays have as many as hundreds of elements, and the mode of combining transceivers or separate transceivers can be used. Most sounding sonar equipment is equipped with only a vertically downward planar array, which can be a multi-beam arr...

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Problems solved by technology

[0004] At present, only the TCS380 and TCS780 network level meters of WESMAR in the United States have such a complex combined transducer array abroad, and their use depth reaches 1800m water depth, but their patent status is unknown, and there is no report of their application in China.

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