A one with multiple underwater unmanned sub- mother ship

By utilizing radio communication technology and a specially designed auxiliary stabilization device for the mother submersible and a recovery device for the daughter submersible, the stability issues of autonomous docking and recovery of underwater unmanned submersibles in harsh environments have been resolved. This has enabled rapid ascent and prevention of detachment, thereby improving the stability and safety of underwater operations.

CN122276111APending Publication Date: 2026-06-26ZHEJIANG INT MARITIME COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG INT MARITIME COLLEGE
Filing Date
2022-06-13
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Autonomous docking and recovery of underwater unmanned vehicles suffers from instability and detachment issues in harsh environments, making it difficult to achieve precise autonomous docking and recovery.

Method used

The underwater unmanned mother-daughter submersible is controlled by radio communication technology. It combines the auxiliary stabilization device of the mother submersible with the recovery device of the daughter submersible. It utilizes the design of electromagnets and telescopic sleeves to achieve rapid ascent and prevent detachment. The winding equipment reduces resistance and improves stability and safety.

Benefits of technology

It has enabled the stable recovery of underwater unmanned submersibles in harsh environments, improved the surfacing speed, prevented detachment, reduced energy consumption, and enhanced the stability and safety of underwater operations.

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Abstract

This invention discloses a multi-submarine unmanned mother-daughter submersible, belonging to the field of marine engineering equipment technology. The submersible includes a mother submersible and daughter submersibles. The mother submersible has a recovery device at its bottom and a winding mechanism inside. A pair of auxiliary stabilization devices are located on both sides of the mother submersible. A winding mechanism is located above the daughter submersibles, connected to a connection system. The top of the connection system has the daughter submersible recovery device. This invention utilizes radio communication technology to control the multi-submarine unmanned mother-daughter submersibles for marine environmental monitoring. It replaces manual labor while increasing the surfacing speed of the daughter submersibles during recovery and preventing them from becoming detached. The entire device maintains high stability in the water during recovery and can adapt to harsh environments.
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