Self-adaptive feeding device and method of swinging-type fish based on optical-acoustic coupling technology

Abstract

The invention discloses a self-adaptive feeding device and method of swinging-type fish based on an optical-acoustic coupling technology. The device comprises a circulating water culturing pond, a circulating water processing system, a feeder, a high-definition waterproof camera, a hydrophone, a digital signal processor and the like. According to the device disclosed by the invention, by mainly utilization combination of machine vision technology and acoustic technology, self-adaptive accurate analysis and evaluation on real-time feeding desires of fish in a feeding process can be carried out,so that a feeding strategy is established. The device disclosed by the invention has a simple structure, and the method is accurate, simple and convenient. The self-adaptive feeding device and methodare suitable for being applied to a circulating water culturing mode, and can effectively solve the problems that feeding of the feed does not take actual feeding needs into consideration in an existing circulating water culturing system so as to result in unreasonableness of feeding of the feed, low utilization ratio and conversion ratio of the feed and influence on growth benefits of the fish.

Description

technical field [0001] The present invention relates to the technical field of industrial circulating water aquaculture feeding machinery, in particular to a swimming-type fish self-adaptive feeding device and method that integrates optical and acoustic technologies. Automatically adjust feed feeding time and feeding amount on demand. Background technique [0002] As a form of high-density aquaculture, industrial recirculating aquaculture has very strict requirements on the regulation and control of water quality. Feed feeding, as an indispensable part of the daily work of recirculating aquaculture, has a great impact on water quality parameters. At present, industrial circulating aquaculture feed mainly relies on manual and machine timing and quantitative feeding, which cannot automatically adjust the feeding amount and feeding time according to the actual hunger degree of the fish, resulting in a difference between the feeding amount and the actual fish. Mismatched feedin...

AI Technical Summary

Problems solved by technology

[0003] Computer vision technology is a technology that can judge the feeding needs of fish in real time, and is convenient to cooperate with feeding machines for feeding operations. However, for juvenile fish, their size is small, and when the number of fish feeding And when the feeding activity of the fish school becomes weaker, the visual information produced by the fish during the feeding process does not change very much, and the feeding judgment made by the machine vision method becomes inaccurate. When the turbidity is higher, it is more obvious

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