The present invention relates to an IoT-based aquafarm energy saving system. More specifically, the present invention relates to an IoT-based aquafarm energy saving system, which can adjust the output of a drive pump during high tide by using the ebb and flow of the tide of the ocean, reduce the water level by time by using the seawater tank level, and reduce power by controlling the growth environment through automatic oxygen control, thereby saving energy in consideration of internal/external environment factors. The IoT-based aquafarm energy saving system according to the present invention comprises: an aquafarm environment device; a smart control device; a demand resource management device; an operator terminal; a demand resource control server; and a settling device. The aquafarm environment device is installed in one side of an aquafarm and a fishery environment and observes water temperature, dissolved oxygen amount, salinity, Ph, and turbidity, which are closely related with growth based on temperature, wind speed, wind direction, humidity, rainfall information of designated area. In addition, the aquafarm environment device measures the water level of a seawater tank, operates a drive pump for seawater supply, supplies liquefied oxygen, and predicts pump operating rate and growth environment. The aquafarm environment device also derives the appropriate pump operating rate and checks the relationship between the oxygen dosages in order to predict the growth environment according to the pump operating rate, thereby providing the growth information and growth environment information of the aquafarm and the fishery environment. The demand resource management device estimates the maximum amount of savings in consideration of history management, external weather, and water temperature according to demand resources of the aquafarm environment device (100), generates a pump optimal control schedule according to the needed reduction amount, and provides solutions for aquafarm management through demand response resource management and settlement.;COPYRIGHT KIPO 2017
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