A control device for adjusting speed and forward/reverse rotation of a wire-controlled brushless motor power supply during positive/negative half-cycle phase loss, which is applied to an AC power supply and a ceiling fan brushless motor, comprising:
- a wire-controlled circuit control device, which is provided with a wire-controlled microcontroller unit, a positive/negative half-cycle control unit, a wire-controlled power unit, and at least one control key unit, wherein the wire-controlled microcontroller unit is electrically connected to the positive/negative half-cycle control unit, the wire-controlled power unit, and the control key unit, respectively, and wherein the AC power supply is electrically connected to the positive/negative half-cycle control unit of the wire-controlled circuit control device;
- and
- a brushless motor control device, which is provided with a brushless motor microcontroller unit, a positive half-cycle detector, a negative half-cycle detector, a brushless motor power unit, and a brushless motor control unit, wherein the brushless motor microcontroller unit is electrically connected to the positive half-cycle detector, the negative half-cycle detector, and the brushless motor control unit, respectively, and the brushless motor power unit is electrically connected to the positive half-cycle detector, the negative half-cycle detector, and the brushless motor microcontroller unit, respectively, and wherein the positive half-cycle detector, the negative half-cycle detector, the positive/negative half-cycle control unit of the wire-controlled circuit control device are electrically connected, the brushless motor power unit, the brushless motor microcontroller unit, and the brushless motor control unit are electrically connected, and the brushless motor control unit and the ceiling fan brushless motor are electrically connected;
- by using the wire-controlled circuit control device to perform input of the AC power supply positive/negative half-cycle on/off control, and the brushless motor control device to perform a signal's detection and an interpretation to convert the signal into the step speed and forward/reverse rotation control signals for storage and transmit the control signals to the ceiling fan brushless motor to carry out the control.