Cooling fan and main motor control system

The utility model discloses a cooling fan and main motor control system, which is characterized by comprising a fan contactor, a main motor contactor, a first time relay, a second time relay, a fan thermal relay, a main motor thermal relay, a start button and a stop button. The control circuit has the advantages that the fan contactor, the main motor contactor, the first time relay, the second time relay and other elements are additionally arranged in the control circuit of the fan and the main motor, one-key control over delay sequence starting of the fan and the main motor and delay sequence stopping of the main motor and the fan is achieved, the automation degree is high, manual misoperation is greatly reduced, and the working efficiency is improved. The damage rate of the motor is reduced and the service life of the motor is ensured. 本实用新型公开了一种散热风机和主电机控制系统，其特征在于，其包括风机接触器、主电机接触器、第一时间继电器、第二时间继电器、风机热继电器、主电机热继电器、启动按钮、停止按钮。优点：在风机和主电机的控制电路中增加了风机接触器、主电机接触器、第一时间继电器和第二时间继电器等元件，实现了一键控制风机和主电机延时顺序启动，主电机和风机的延时顺序停止，自动化