| 摘要 |
The present invention provides an automatic opening and closing device for a water supply valve, capable of automatically opening and closing a water supply valve by detecting foot of a user using an ultrasonic sensor. To achieve the purpose of the present invention, the automatic opening and closing device for a water supply valve, which automatically opens and closes the water supply valve installed in a sink, includes: an installation groove formed at a lower end of the sink, wherein the foot of the user are inserted therein; the ultrasonic sensor installed in an installation groove installed at a lower end of the sink and sensing the foot of the user using ultrasonic waves; and a control unit supplying power to an electric control valve installed in an inner flow path of the water supply valve by receiving a signal sensed by the ultrasonic sensor and opening and closing a flow path of the water supply valve by controlling the electric control valve to be open and closed. |
