PREDICTION DEVICE, REFRIGERATION SYSTEM, PREDICTION METHOD, PREDICTION PROGRAM

WIPO Patent Application WO/2023/223594

A1

The present invention makes it possible to start a defrost operation at timing that corresponds to frosting. According to the present invention, a prediction device outputs information that controls the start timing of a defrost operation that is to be performed by a refrigerator on a heat exchanger. The refrigerator has a refrigerant circuit in which a refrigerant circulates through a compressor, a radiator, an expansion valve, and a heat sink that are connected in a ring, and the heat exchanger functions as the heat sink of the refrigerator. When a trained model has been generated on the basis of training data obtained by using clustering to sort a record of past operating data for the refrigerator into a plurality of groups and adding data that indicates whether the heat exchanger frosted to each of the groups, a control unit of the prediction device inputs current operating data for the refrigerator into the trained model and outputs information that indicates whether the heat exchanger has frosted as predicted by the trained model.

JP5082865	Heat pump device, hot water supply device equipped with it, and its control device
JP3894190	HEAT PUMP WATER HEATER

BETTO JO (JP)
ISHITSUKA NAOKI (JP)
HASHIMOTO TAKUMA (JP)

PCT/JP2022/048358

November 23, 2023

December 27, 2022

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DAIKIN IND LTD (JP)

F25B47/02; F24F11/41; F24F11/64; G06N20/00

WO2022054278A1	2022-03-17
WO2020174800A1	2020-09-03

JPH09159328A	1997-06-20
JPH0682083A	1994-03-22
JP2007225155A	2007-09-06
JP2007225158A	2007-09-06
JPH04184668A	1992-07-01
CN104933322A	2015-09-23
CN113639420A	2021-11-12

ITOH, Tadashige et al. (JP)

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