To provide a refrigerator capable of cooling according to a storage state of storage objects in the refrigerator.
The refrigerator is equipped with: light sources 20a, 20b arranged within a storage compartment; an optical sensor 21 that detects illuminating light emitted from the light sources 20a, 20b; and a calculation control unit 1 that performs a calculation process on the basis of the detection result of the optical sensor 21. The calculation control unit 1 has: an attenuation rate calculation unit 81 which, on the basis of a standard storage compartment lighting intensity while there are no storage objects in the storage compartments and on the basis of the lighting intensity detected by the optical sensor 21, calculates an attenuation rate from a standard storage compartment lighting intensity when storage objects are stored; and a storage state estimation unit 82 which estimates the storage amount of the storage objects on the basis of the calculation result of the attenuation rate calculation unit. Accordingly, the estimation accuracy of the storage amount can be improved by estimating the storage amount based on the standard storage compartment lighting intensity while there are no storage objects in the storage compartment and the lighting intensity detected by the optical sensor.
| JPH0679922 | [Title of Invention] Kitchen waste storage |
| JP2018040558 | REFRIGERATION AND STORAGE SHOPPING CARRY CART |
KAKITA KENICHI
KAMISAKO TOYOSHI
NAKAGAWA MASASHI
| JPH08303922A | 1996-11-22 | |||
| JP2010151367A | 2010-07-08 | |||
| JP2006336963A | 2006-12-14 | |||
| JP2010196697A | 2010-09-09 | |||
| JP2010255877A | 2010-11-11 | |||
| JP2011043263A | 2011-03-03 |
Kentaro Fujii
Ikuro Terauchi