CN-122017852-A - Phased single-beam sonar device and phased sonar emission angle control method

CN122017852ACN 122017852 ACN122017852 ACN 122017852ACN-122017852-A

Abstract

The application provides a phased single-beam sonar device and a control method of phased sonar emission angles, wherein the phased single-beam sonar device comprises a multichannel phased emission array, a single-channel receiving array and a control unit, wherein the multichannel phased emission array is provided with a plurality of phased emission arrays, and each phased emission array emits acoustic pulse signals in different detection directions; the control unit outputs control signals, the control signals control the multichannel phased transmitting array to transmit sound signals, the echo signals received by the single-channel receiving array are collected, and target strength and distance information of each detection angle are output. The phased single-beam sonar adopts the combination of the multichannel phased transmitting array and the single-channel receiving array, solves the defect that the traditional single-beam sonar can only detect single points, realizes the function of on-line multi-point detection through phased scanning, and greatly improves the test efficiency.

Inventors

HU YONGXIANG
Yan Riliang
WANG XINYANG
JIN GANG

Assignees

上海瀚界科技发展有限公司

Dates

Publication Date: 20260512
Application Date: 20260327

Claims (10)

1. A phased single-beam sonar device is characterized by comprising a multichannel phased transmitting array, a single-channel receiving array and a control unit, The multichannel phased transmitting array is provided with a plurality of phased transmitting arrays, and each phased transmitting array transmits acoustic pulse signals in different detection directions; the single-channel receiving array synchronously receives echo signals of signals sent by the phased transmitting array; The control unit outputs control signals, the control signals control the multichannel phased transmitting array to transmit sound signals, the echo signals received by the single-channel receiving array are collected, and the target intensity and distance information of each detection angle are output.
2. The phased single beam sonar device of claim 1, further comprising a signal processing unit that pre-processes the echo signals.
3. The phased single beam sonar device of claim 1, wherein the single channel receiving array is arranged linearly along one side of the multichannel phased transmitting array, and is arranged parallel to or at a preset angle from the multichannel phased transmitting array.
4. The phased single beam sonar device of claim 1, wherein the single channel receive array is located in the middle of the multichannel phased transmit array.
5. The phased single beam sonar device of claim 1, wherein the elements of the single channel receive array are the same as the elements of the multi-channel phased transmit array.
6. The phased single beam sonar device of claim 1, wherein the multichannel phased transmit array and the single channel receive array are piezo-ceramic arrays or MEMS sensor arrays.
7. A control method of a phased sonar emission angle, wherein the control method is applied to the phased single beam sonar device according to any one of claims 1 to 6, and the control method comprises: Step S1, a control unit controls a multichannel phased emission array to emit a first sonar signal according to an initial phased angle, and acquires echo information corresponding to the first sonar signal; step S2, the control unit updates and adjusts the initial phase control angle according to the echo information to obtain a target phase control angle; And step S3, the control unit controls the multichannel phased emission array to emit a second sonar signal according to the target phased angle.
8. A computer system comprising a memory, a processor and a computer program stored on the memory, wherein the processor executes the computer program to implement the steps of the method of controlling a phased sonar emission angle of claim 7.
9. A computer readable storage medium having stored thereon a computer program/instructions, which when executed by a processor, performs the steps of the method for controlling a phased sonar emission angle as defined in claim 7.
10. A computer program product comprising computer programs/instructions which, when executed by a processor, implement the steps of the method for controlling the angle of phased sonar emission as claimed in claim 7.

Description

Phased single-beam sonar device and phased sonar emission angle control method Technical Field The application relates to the field of sonar detection, in particular to a phase control single-beam sonar device and a control method of a phase control sonar emission angle. Background In the traditional underwater detection field, a single-beam sonar system is limited by a mechanical scanning mechanism, and detection of single direction points can be completed at a time, so that a significant efficiency bottleneck exists in a large-area water area detection task. Specifically, the mechanical rotary beam control mode enables echo data of a single position to be obtained only in a single detection period, and when the method is applied to a scene requiring large-area rapid coverage such as submarine topography mapping, underwater target searching and the like, the traditional scheme often faces the following technical defects: the space-time resolution contradiction that the mechanical scanning rate is limited by the inertia of mechanical parts, so that the scanning speed and the spatial resolution are difficult to be compatible; The coverage efficiency is low, namely the detection of the appointed area needs repeated scanning for many times, and the detection duration and the area of the area are in linear positive correlation; Dynamic poor adaptation-in mobile platform (e.g., AUV/ROV) applications, platform motion can result in spatial mismatch of the probe data. The mechanical structure is easy to wear, corrosion and abrasion of motor bearings and transmission gears can be accelerated in an underwater high-pressure and high-humidity environment, and the motor bearings and the transmission gears are usually required to be disassembled and maintained regularly. Disclosure of Invention In view of the above, the present application aims to provide a phased single beam sonar device and a phased sonar emission angle control method, so as to solve the above problems. In order to solve the technical problems, the application adopts the following technical scheme: The application provides a phased single-beam sonar device, which comprises a multichannel phased transmitting array, a single-channel receiving array and a control unit, wherein the multichannel phased transmitting array is provided with a plurality of phased transmitting arrays, each phased transmitting array transmits sound pulse signals in different detection directions, the single-channel receiving array synchronously receives echo signals of signals transmitted by the phased transmitting array, and the control unit outputs control signals which control the multichannel phased transmitting array to transmit the sound signals, acquires the echo signals received by the single-channel receiving array and outputs target intensity and distance information of each detection angle. Furthermore, the phased single beam sonar further comprises a signal processing unit, and the signal processing unit is used for preprocessing echo signals. Further, the single-channel receiving array is linearly arranged along one side of the multi-channel phased transmitting array, and is arranged in parallel or at a preset included angle with the multi-channel phased transmitting array. Further, the single channel receiving array is positioned in the middle of the multi-channel phased transmitting array. Further, the single channel receive array has the same elements as the multi-channel phased transmit array. Further, the multichannel phased transmitting array and the single-channel receiving array are piezoelectric ceramic arrays or MEMS sensor arrays. In a second aspect, the present application provides a method for controlling a phased sonar emission angle, which is applied to the phased single-beam sonar device, and the control method includes: step S1, a control unit controls a multichannel phased emission array to emit a first sonar signal according to an initial phased angle, and acquires echo information corresponding to the first sonar signal; And step S2, the control unit updates and adjusts the initial phase control angle according to the echo information to obtain a target phase control angle, and step S3, the control unit controls the multichannel phase control transmitting array to transmit a second sonar signal according to the target phase control angle. In a third aspect, the present application provides a computer system, including a memory, a processor and a computer program stored on the memory, the processor executing the computer program to implement the steps of the method for controlling the phase-controlled sonar emission angle. In a fourth aspect, the present application provides a computer readable storage medium having stored thereon a computer program/instruction which when executed by a processor performs the steps of the above-described method of controlling a phased sonar emission angle. In a fifth aspect, the present application provides a comput