AUTOMATIC CLEANING DEVICE AND METHOD FOR RANGE HOOD

An automatic cleaning device and method for a range hood. The device comprises: a control assembly (10) electrically connected to an impeller (30) in a range hood, the control assembly (10) being usedfor detecting oil stains in the range hood, and according to the oil stain detection result, driving the impeller (30) to rotate and controlling the range hood to enter a cleaning mode; and a cleaning mechanism (20) electrically connected to the control assembly (10), the cleaning mechanism (20) spraying a cleaner and water mist on the impeller (30) when the range hood enters the cleaning mode. 种油烟机自动清洗装置和方法。所述装置包括：控制组件(10)，其与油烟机中的叶轮(30)电信号连接，所述控制组件(10)用于进行油烟机中的油渍检测，并根据油渍检测结果驱动所述叶轮(30)转动和控制所述油烟机进入清洗模式；清洁机构(20)，其与所述控制组件(10)电信号连接，所述清洁机构(20)在所述油烟机进入清洗模式时向所述叶轮(30)执行清洁剂和水雾喷射。