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Design method of integrated multi-array-element small-sized transducer array and small-sized transducer array

A design method and transducer technology, applied to instruments, re-radiation of sound waves, vibration measurement in fluids, etc., can solve the problems of complex overall structure, complex processing leads, high hardware cost, etc., and achieve convenient data collection. Neat and orderly routing of lead wires improves performance

Active Publication Date: 2021-06-22
NORTHWESTERN POLYTECHNICAL UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problems that the existing multi-beam imaging sonar adopts a large-scale transducer array in order to obtain a high-resolution image, the overall structure is complicated, the hardware cost is high, and the processing leads are complicated, and an integrated Design method of small transducer array with multiple array elements and small transducer array

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  • Design method of integrated multi-array-element small-sized transducer array and small-sized transducer array
  • Design method of integrated multi-array-element small-sized transducer array and small-sized transducer array
  • Design method of integrated multi-array-element small-sized transducer array and small-sized transducer array

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Embodiment Construction

[0043] Below in conjunction with accompanying drawing and specific embodiment content of the present invention is described in further detail:

[0044] The method for designing a small transducer array with integrated multi-array elements, the steps are as follows:

[0045] 1) Determine the basic layout structure of the array elements in the base array

[0046] According to the performance requirements of the transducer array (such as resonant frequency: above 300kHz; array element spacing: greater than half a wavelength; different application platforms have different performance requirements), the number of rows of array elements in the transducer array is designed to be 48, The number of columns is 48, the number is 2304, and the distance between adjacent array elements is 5mm (in order to reduce the number of array elements, increase the gap between array elements, and reduce mutual interference, one wavelength is used for array arrangement, such as figure 1 ), and all arr...

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Abstract

The invention provides a design method of an integrated multi-array-element small-sized transducer array and a small-sized transducer array, and aims to solve the problems of complex overall structure, high hardware cost and complex processing lead due to the adoption of a large-scale transducer array in order to obtain a high-resolution image in an existing multi-beam imaging sonar. The design method comprises the following steps of: 1) determining a basic layout structure of array elements in an array; 2) determining the material and the size of the array elements; 3) designing a circuit board; and 4) welding the array elements to complete the design of the small-sized transducer array.

Description

technical field [0001] The invention belongs to the technical field of underwater acoustic transducers, and in particular relates to an integrated multi-element small-scale transducer array design method and a small-scale transducer array. Background technique [0002] With the continuous advancement of the national marine strategic layout, China's scientific and technological investment in marine resource exploration and the protection of national marine rights and interests has continued to increase. With the continuous increase of human ocean exploration and development activities, high-quality real-time underwater imaging technology has attracted more and more attention, and plays an important role in target tracking and identification, marine landform exploration and mine search. [0003] As an important equipment for underwater detection, multi-beam imaging sonar has been widely used. Underwater acoustic imaging generally uses an array composed of multiple array eleme...

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Application Information

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IPC IPC(8): G01H3/00G01S15/50G01S15/66
CPCG01H3/00G01S15/50G01S15/66
Inventor 杜诗慧张争气王英民邱宏安李如松
Owner NORTHWESTERN POLYTECHNICAL UNIV
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