A control device for adjusting speed and forward/reverse rotation of a wire-controlled brushless motor power supply during a positive/negative half-cycle phase loss of an AC power supply, which is applied to the AC power supply and a ceiling fan brushless motor, comprising:
- a wire-controlled circuit control, which is provided with a wire-controlled microcontroller unit, wherein the wired-control microcontroller unit is programmed with stored parameters corresponding to speed levels and forward/reverse rotation logic control conditions, 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 wire-control power unit of the wire-controlled circuit control;
- and
- a brushless motor control device configured to determine whether to enable power to the brushless motor of a ceiling fan, which is provided with a brushless motor microcontroller unit, a brushless motor power unit, and a brushless motor control unit, wherein the brushless motor microcontroller unit is electrically connected to the brushless motor power unit, and the brushless motor control unit, respectively, and the brushless motor power unit is electrically connected to the brushless motor power unit, and the brushless motor microcontroller unit, respectively, and wherein the brushless motor power unit, are electrically connected to the wire-controlled circuit control, and the brushless motor control unit and the ceiling fan brushless motor are electrically connected;
- by using the wire-controlled circuit control 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 detection and an interpretation to convert the signal into a step speed and forward/reverse rotation control signals for storage and transmit the step speed and forward/reverse rotation control signals to the ceiling fan brushless motor to carry out the control,
- wherein the wire-controlled circuit control controls whether the ceiling fan is activated or not,
- wherein in the wire-controlled circuit control, control logic conditions are stored, comprising positive or negative half-cycle phase loss waveforms, phase loss duration, or phase loss frequency, corresponding to step speed and forward/reverse rotation control,
- wherein, upon operating the control key unit to select control commands for step speed and forward/reverse rotation, the wire-controlled circuit control, via the wire-controlled microcontroller, correlates the input AC power with the stored control logic conditions for step speed and forward/reverse rotation, and selects the control logic conditions for step speed and forward/reverse rotation, corresponding to control signals of positive or negative half-cycle phase loss waveforms, phase loss duration, or phase loss frequency,
- wherein the control signals are transmitted to the brushless motor drive unit to control the step speed and forward/reverse rotation of the ceiling fan brushless motor.