Voltage regulation and speed regulation control circuit of an air pump

A method of controlling an air pump having a positive input terminal and a negative input terminal, comprising:

• providing a control circuit input voltage to a voltage regulation and speed regulation control circuit configured to provide power to the air pump, the voltage regulation and speed regulation control circuit having a thermal protection module positioned on a live line;
• connecting a switch of the voltage regulation and speed regulation control circuit to a chopper power supply circuit in a first mode of operation to produce a first output voltage of the voltage regulation and speed regulation control circuit to power the air pump, the first mode of operation coupling the thermal protection module to the positive input terminal of the air pump;
• connecting the switch of the voltage regulation and speed regulation control circuit to a full bridge rectifier in a second mode of operation to produce a second output voltage of the voltage regulation and speed regulation control circuit to power the air pump, the second mode of operation coupling the thermal protection module to the positive input terminal of the air pump, the first output voltage of the voltage regulation and speed regulation control circuit in the first mode of operation being different than the second output voltage of the voltage regulation and speed regulation control circuit in the second mode of operation.

A method of operating a voltage regulation and speed regulation control circuit of an air pump having a positive input terminal and a negative input terminal, comprising:

• providing a control circuit input voltage to the voltage regulation and speed regulation control circuit having a chopper power supply circuit operatively couplable to the air pump and a full bridge rectifier circuit operatively couplable to the air pump, the voltage regulation and speed regulation control circuit having a switch operatively couplable to the chopper power supply circuit and operatively couplable to the full bridge rectifier, a thermal protection module positioned on a live line and operatively coupled to the positive input terminal and operatively couplable to the switch, wherein the switch has a first contact wherein the chopper power supply circuit is to be connected to the positive and negative input terminals of the air pump and a second contact wherein the full bridge rectifier circuit is to be connected to the positive and negative input terminals of the air pump;
• connecting the switch to the first contact such that the thermal protection module and the chopper power supply circuit are electrically coupled, the chopper power supply circuit providing a first output voltage to the air pump as a result of the switch being connected to the first contact;
• connecting the switch to the second contact such that the thermal protection module and the full bridge rectifier circuit are electrically coupled, the full bridge rectifier circuit providing a second output voltage to the air pump as a result of the switch being connected to the second contact, the first output voltage being different than the second output voltage.