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AssigneeShenzhen Renaissance Technology Co., Ltd
InventorsDingsheng Lin, Zheng Zhang, Qianjie Ye, Hailing Li, Jiyi Sun, Jie Liu, Changping Yang, Wangyong Liu, Shudong Zhu
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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.
An electronic starting switch assembly for controlling a split-phase induction motor with a main winding and an auxiliary winding configured for rotor operation under variable load conditions, the electronic starting switch assembly comprising:
A method for controlling operation of a split-phase induction motor having memory, a controller, a power supply, a main winding, an auxiliary winding and an electronic starting switch assembly, the method comprising:
An electronic control system for operating a split-phase induction motor, the system comprising:
Dependencies are inferred from the claim text.