Motor power source regulation circuit, control method and electronic device

A motor power source control method, comprising:

• receiving an AC input signal from an external AC power source;
• regulating a first characteristic parameter of a first control signal based on the AC input signal;
• converting the AC input signal to a first DC signal based on the first control signal;
• converting the first DC signal to a first AC signal based on a first drive signal;
• converting the first AC signal to two or more second AC signals;
• converting at least one of the second AC signals to at least one DC drive signal and outputting the at least one DC drive signal to an external DC motor;
• and
• converting at least another one of the second AC signals to at least one AC drive signal and outputting the at least one AC drive signal to an external AC motor.

An electronic device, comprising:

• a coupled shell;
• and
• a motor power source regulation circuit coupled to the coupled shell,
• wherein the motor power source regulation circuit comprises:
• a power factor correction circuit coupled to an AC power source and configured to:
• receive an AC input signal from the AC power source, and convert the AC input signal to a first DC signal;
• an isolation circuit, comprising a first switch sub-circuit and an isolation transformer, wherein the isolation transformer comprises a primary winding and two or more secondary windings coupled to the primary winding, and the first switch sub-circuit is coupled to the power factor correction circuit and the primary winding;
• one or more first power source conversion circuits, each being coupled to one of the secondary windings and a DC motor;
• one or more second power source conversion circuits, each being coupled to one of the secondary windings and an AC motor;
• and
• a control circuit coupled to:
• the power factor correction circuit, the first switch sub-circuit, the one or more first power source conversion circuits, and the one or more second power source conversion circuits, and configured to:
• sample the AC input signal, and regulate a first characteristic parameter of a first control signal based on the sampled AC input signal,
• wherein the power factor correction circuit is configured to:
• receive the first control signal from the control circuit, and regulate the AC input signal to the first DC signal based on the first control signal,
• the first switch sub-circuit is configured to:
• receive the first DC signal from the power factor correction circuit and a first drive signal from the control circuit, and convert the first DC signal to a first AC signal based on the first drive signal,
• the primary winding is configured to:
• receive the first AC signal from the first switch sub-circuit, and convert the first AC signal to two or more second AC signals by utilizing the two or more of the secondary windings,
• each of the one of more first power source conversion circuits is configured to:
• receive the second AC signal from each of the secondary windings, and convert the second AC signal to a DC drive signal and to output the DC drive signal to the DC motor, and
• each of the one or more second power source conversion circuits is configured to:
• receive the second AC signal from each of the secondary windings, convert the second AC signal to an AC drive signal, and output the AC drive signal to the AC motor.