| 摘要 |
The present invention relates to an auxiliary power supply device of home appliances using a smart grid. The invention is connected to a power supply network which comprises: a measuring device that performs bidirectional communication with a power source and measures and displays power information in real time; and an energy management device that is connected with the measuring device and supplies electricity to home appliances on the basis of power information provided from the outside. Thus, the invention is charged through the power source having relatively inexpensive price information, and is selectively connected with the home appliances, so that the charged electricity may be used as an operation power supply. According to the invention, the home appliances can be used at a cheaper cost. |
