What is the working principle of underwater acoustic release device?

With the continuous deepening of people's development and utilization of marine biological resources, seabed mineral resources, and marine energy, the number of seabed environmental monitoring instruments and engineering application instruments deployed to the seabed is gradually increasing, and the recycling of marine equipment is also of paramount importance. In this way, an underwater acoustic release device has emerged.

The underwater acoustic release device is mainly used for automatic recovery of underwater equipment. It sends remote release instructions through the deck unit, and the response release device receives the command and verifies it. After the verification is correct, the release mechanism is opened and disconnected from the gravity anchor. The response release device and equipment float out of the water surface under buoyancy, and then recover.

This device mainly utilizes the principle of acoustic communication to achieve automatic recycling of marine equipment, greatly reducing the difficulty of manual recycling,

It can be used for recovering instruments in shallow or even deep waters, and some release devices can also be remotely controlled to issue multiple commands to control complex underwater systems. Therefore, as an essential underwater equipment auxiliary recovery tool, the underwater acoustic response and release device plays an irreplaceable role in marine surveying and seabed engineering.

The KUM underwater acoustic release device also utilizes the principle of acoustic communication. When the base weight is hung on the trigger hook, the trigger is tightly bound to the bracket together. After the measurement is completed, a sound wave signal is emitted from the ship to prompt the trigger to open the hook. The triggering process can also be implemented using an integrated timer. The trigger engine is powered by the battery of the timer. In addition, the trigger can also be controlled by external devices and send a response to the deck unit.

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