US 11,988,441 B2
Refrigerator management method, refrigerator management device, refrigerator management system, and temperature calculation method
Wanjing Du, Kyoto (JP); and Yuji Osaki, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/423,385
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Oct. 15, 2020, PCT No. PCT/JP2020/038890
§ 371(c)(1), (2) Date Jul. 15, 2021,
PCT Pub. No. WO2021/075493, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 2019-191083 (JP), filed on Oct. 18, 2019.
Prior Publication US 2022/0065523 A1, Mar. 3, 2022
Int. Cl. F25D 29/00 (2006.01); F25B 49/02 (2006.01)
CPC F25D 29/00 (2013.01) [F25B 49/022 (2013.01); F25B 2500/06 (2013.01); F25B 2700/2104 (2013.01); F25D 2500/04 (2013.01); F25D 2700/02 (2013.01); F25D 2700/12 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A refrigerator management method, comprising:
obtaining log information including temperature information indicating an interior temperature of a refrigerator and opened and closed information indicating whether or not a door of the refrigerator has been opened and closed;
calculating, based on the log information, a first future timewise change in the interior temperature for when the door is opened and closed in a predetermined future period and a second future timewise change in the interior temperature for when the door is not opened and closed in the predetermined future period; and
outputting result information indicating a calculation result of the calculating.