| 摘要 |
The purpose of the present invention is to automatically control the temperature of washing water sprayed onto the hand in response to the external temperature to allow washing water to have a pleasant temperature, or control the temperature of washing water in accordance to a water supply mode selected by a user. To achieve this purpose, the present invention comprises: a main body (100, 1000) including a hand input port (110, 1100), a sensor (120, 1200) to sense whether or not the hand enters the hand input port (110, 1100); and a mode selection switch (140) to select any one of a heating mode and a cooling mode as a water supply mode; a spray nozzle (210, 2100) to spray washing water into the hand input port (110, 1100); a first washing water supply unit (300, 3000) including a heater (350, 3500) to heat the washing water supplied to the spray nozzle such that the temperature of the washing water is a first target temperature (T1), and then supplying the heated washing water; a second washing water supply unit (400, 4000) including a cooler (450, 4500) to cool the washing water supplied to the spray nozzle such that the temperature of the washing water is a second target temperature (T2), and then supplying the cooled washing water; and a controller (500) to control the washing water to be heated or cooled by any one of the first washing water supply unit (300, 3000) and the second washing water supply unit (400, 4000) in accordance to the washing water supply mode selected by the mode selection switch (140) and then be supplied to the spay nozzle (210, 2100). |
