refrigerator

Abstract

A refrigerator (1) according to an embodiment includes: a communication unit (13) for communicating with an external device; a door opening sensor (9) as an opening and closing detection unit for detecting the opening and closing state of a door of a storage room; A control unit (12) that determines the home index and executes a process of providing the home index at the current time, which is calculated based on the elapsed time from the time when the door is opened and closed, to an external device via the communication unit (13). The presence index is an index indicating that the possibility of being at home is the highest at the time when the door opening and closing is detected by the door open sensor (9), and that the possibility of being at home decreases with time.

Description

technical field [0001] Embodiments of the present invention relate to refrigerators. Background technique [0002] In recent years, in order to reduce the waste of delivery and to improve the convenience of the user, a system that judges the situation at home and notifies the delivery company has been proposed. For example, Patent Document 1 proposes to determine presence or absence based on the power usage status of home appliances, provide the presence status to an external device, and use this for, for example, a delivery service by a delivery company. [0003] [Patent Document 1] Japanese Patent Laid-Open No. 2016-181026 [0004] However, in recent years, due to the popularization of the technology of remote control of home appliances at home from the destination, and because, for example, even if the refrigerator as a home appliance is in the absence of the user, the refrigerating cycle and the ice making device are all working. Therefore, it is difficult to judge the...

AI Technical Summary

Problems solved by technology

[0004] However, in recent years, due to the popularization of the technology of remote control of home appliances at home from the destination, and because, for example, even if the refrigerator as a home appliance is in the absence of the user, the refrigerating cycle and the ice making device are all working. Therefore, it is difficult to judge the state of home based on the state of power usage

In this case, if multiple presence sensors are installed to detect people in the house, although the state of presence can be accurately judged, there is a problem that the installation of presence sensors for delivery is too costly.

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