The present invention relates to an automatic drying method for dryer, which includes the steps of: preparing an automatic drying device, wherein the automatic drying device is provided with a machine body, two drying sections, and a detection module, and the detection module is provided with two water meters, two temperature sensors, a rotation unit and a processing unit setting a temperature value and a water value for each of the drying sections delivering grains to be dried to each of the drying sections for drying detecting the temperature value and the water value of each of the drying sections transmitting the temperature value and the water value so detected to the processing unit when the detected water value is different from the set water value, adjusting the temperature of the drying section and calculating a dehydration speed of the entirety of the grains to be dried and the processing unit transmitting signals to the rotation unit to adjust an operating speed, so that an automatic drying method capable of performing multi-sectional detection, reducing repeated drying and saving cost is provided.本發明係一種乾燥機自動乾燥方法,準備一自動乾燥裝置,該自動乾燥裝置設有一機體、兩乾燥段及一偵測模組,偵測模組設有兩水分計、兩溫度感測器、一迴轉單元及一處理單元,對各乾燥段設定一溫度值及一水分值,將待乾燥穀物輸送至各乾燥段中乾燥,偵測各乾燥段的溫度值及水分值,將偵測到的溫度值及水分值傳送至處理單元,當偵測到的水分值與設定的水分值不同時,調整該乾燥段的溫度,並計算待乾燥穀物整體的降水速度,由處理單元傳送訊號至迴轉單元調整運轉速度,藉以提供一能多段偵測、減少重複乾燥及節省成本的自動乾燥方法。10‧‧‧自動乾燥裝置20‧‧‧機體21‧‧‧輸入端28‧‧‧緩衝層30‧‧‧乾燥段31‧‧‧熱風入口33‧‧‧排風管42‧‧‧溫度感測器
