Patent ID: 9739525
Date: 2017-08-22
CPC Classifications: F25B,F25D,H05B,Y02B

Claim:
1. A door switch system for energy saving in a refrigerator, wherein the refrigerator includes a storage space that is cooled by refrigerant flowing through an evaporator, a storage-space light, a compressor, a condenser, and a cooling fan, the door switch system comprising: a light detector disposed in the storage space; a first switch configured for switching the cooling fan according to an output from the light detector detecting external light; and a second switch configured for switching the storage-space light according to an output from the light detector detecting external light, wherein when a door to the storage space is opened and the output is a first output indicating an open state of the door, the first switch is off to stop the cooling fan and the second switch is on to turn on the storage-space light.