Electrical appliances having power reduction function and power reduction method of electrical appliaces

摘要

The present invention relates to a power saving technology for home appliances, and more particularly, to a power saving technology for home appliances that reduces power consumption by automatically switching to a power saving mode when the home appliance senses when the viewer is not using the home appliance. . Home appliances having a power saving function according to the present invention includes an image sensor for photographing the external environment; An image processor which determines whether an object movement is detected in an image captured by the image sensor; A message output unit that outputs a message informing of power off to the screen when the movement of the object is not detected by the image processor; And a power off unit which turns off the power of the device when the movement of the object is not detected by the image processing unit for a preset time after outputting the message. According to the present invention, the home appliance automatically switches to the power saving mode in the absence of the viewer so that standby power is kept to a minimum so as not to waste power unnecessarily, and the home appliance determines the absence of the viewer to turn off the power of other home appliances. The control has the effect of reducing unnecessary power consumption.