The Solar Assisted Hot Air Oven is mainly composed of three parts: solar air collectors, air-source high-temperature heat pumps, and an intelligent oven control system. It heats the air using solar air collectors, then circulates the hot air through ducts into the oven. Inside the oven, the air is further heated by the solar air collectors, and the hot air is distributed again via the circulation fans. The temperature and humidity sensors detect the ambient conditions and the drying process, controlling the air-source heat pump's operation and the opening and closing of the moisture exhaust door to achieve automatic drying.