Wolong Electric Group Co. Ltd.

Hailing Li

Zheng Zhang

Jie Liu

Dingsheng Lin

Changping Yang

Jiyi Sun

Qianjie Ye

Wangyong Liu

Shudong Zhu

An electronic starting switch assembly and control methods for a dryer having a split-phase induction motor. The assembly comprises a microcontroller unit (MCU) configured to execute a control method that dynamically manages the motor's operation by monitoring the forward magnitude current. The MCU determines a stabilized startup forward magnitude current and calculates a crossover condition, allowing for precise control of the motor's transition to single-phase operation by disconnecting the auxiliary winding and connecting the heater element based on real-time forward magnitude current analysis and processing. The system can also monitor for overload conditions indicative of rotor speed drops and can re-engage the auxiliary winding to maintain motor performance. The assembly includes a housing with a heat-sink for efficient thermal management and environmental protection of electronic components. The disclosed method provides a robust solution for efficient dryer operation by ensuring accurate control of motor start-up, running conditions, and overload protection.

System and method for advanced electronic starting switch assembly for split-phase induction motors for domestic dryers

Growing community of inventors

Jinan, China

Hailing Li