摘要 |
PURPOSE: A heater control device of a drier is provided to control the output power variably and to improve the consumption electricity of the heater. CONSTITUTION: A heater control device of a drier comprises two heater(124a,127a) heating air to supply hot air in a drum, a fixing power switching element(130) connected one heater to generate fixing output power, a variable power switching element(133) connected the other heater to generate variable output power, a control unit controlling the operation of the switching elements, and a power isolation unit(136) isolating power between the variable power switching element and the control unit. |