Self-inflating communication buoy

By designing a self-inflating communication buoy, the problems of large overall buoy size and low underwater acoustic communication efficiency were solved, achieving the effects of small size, high buoyancy and stable communication, which is suitable for marine environmental monitoring.

CN121799552APending Publication Date: 2026-04-07YICHANG TESTING TECHNIQUE RESEARCH INSTITUTE
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Patent Information

Application Number
CN202511961155.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-24
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing communication buoys are bulky due to the large buoyancy required, making them inconvenient to transport and deploy. Furthermore, underwater acoustic communication is inefficient, susceptible to interference, and has a limited transmission distance.

Method used

Design a self-inflating communication buoy. The buoy is small in size when it is not in the water. After entering the water, the air bladder is inflated by an automatic inflation device to provide buoyancy, ensuring that the buoy floats on the water surface for communication. A counterweight is introduced into the structure to increase the restoring torque and stabilize the attitude.

Benefits of technology

This design achieves a small buoy size during transportation and loading, facilitating deployment and retrieval, while ensuring the stability and communication efficiency of the communication equipment, and improving the stability and communication quality of the buoy in windy and wave environments.

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Abstract

The invention provides a self-inflating communication buoy. The self-inflating communication buoy comprises an upper-section shell, a buoyancy section, a middle-section shell and an inflating equipment section, the upper section shell, the buoyancy section, the middle section shell and the inflation equipment section are fixedly connected in sequence from top to bottom; the upper section shell carries communication equipment, the buoyancy section carries an air bag, and a watertight connector is arranged in the middle section shell and used for data transmission and communication between the communication equipment and underwater equipment; automatic inflation equipment is arranged in the inflation equipment section, and when the buoy does not enter water, the air bag is in a contraction state; when the buoy enters water, the automatic inflation device is started to inflate the air bag, and therefore buoyancy is provided for the buoy. When not entering water, the buoy is small in size, the buoyancy is rapidly increased after the buoy enters water, and the buoy can float on the water surface for communication.
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