Automatic depth measuring device for unmanned ship

By adjusting the air pressure through the telescopic bracket and angle adjustment mechanism, the accuracy and stability issues of the unmanned vessel depth sounding device were resolved, realizing the stability and obstacle avoidance function of the depth sounder and improving the navigation stability of the vessel.

CN121269052APending Publication Date: 2026-01-06YIHANG NEW ENERGY TECHNOLOGY (JIANGSU) CO LTD
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Patent Information

Application Number
CN202511455314.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-13
Publication Date
2026-01-06

AI Technical Summary

Technical Problem

Unmanned vessel depth sounding devices lack accuracy and stability in depth measurement results during use, and do not have obstacle avoidance capabilities.

Method used

The system employs a telescopic support structure and an angle adjustment mechanism. By regulating air pressure, the depth sounder is kept below the liquid surface. Combined with the angle adjustment mechanism, the depth sounder is kept level at all times, avoiding collisions and ship tilting.

Benefits of technology

It improves the accuracy and stability of depth sounding, avoids depth sounding failures caused by ship tilting or collisions, and enhances the ship's navigation stability.

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Abstract

The invention discloses an automatic depth measuring device for an unmanned ship, and the device comprises a telescopic support structure which comprises a pipe fitting and an external member, the pipe fitting is led out from a ship board of the ship and extends downwards, the telescopic support structure is slidably inserted into a pressure regulating cavity of the external member in a sealed manner, an overflowing hole communicated with the pressure regulating cavity is formed in the telescopic support structure, and gas for pressure regulation is injected into the overflowing hole of the pressure regulating cavity; the angle adjusting mechanism comprises an outer frame and a rotating seat, the outer frame is positioned at the lower end of the sleeve piece, the spherical rotating seat is rotatably arranged in a spherical cavity of the outer frame in a sealed mode, a partition plate is arranged in the outer frame and divides the spherical cavity into two independent cavities, the outer frame is provided with a connector, and an inner cavity of the connector is communicated with the independent cavities; the connector is in butt joint with a ship through a connecting pipe, and gas for pressure regulation is injected into the independent cavity. And the depth finder is positioned on the rotating seat. Compared with the prior art, the unmanned ship depth measuring device can solve the problems that when an existing unmanned ship depth measuring device is used, the depth measuring result precision and the depth measuring stability are insufficient, and the obstacle avoidance function is not achieved.
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