Device for conducting motor recognition and protection and vacuum cleaner using the same

A vacuum cleaner, comprising a machine body and a dust suction device that consists of a suction head and a connection tube, and the suction head is equipped with a roller brush and a roller brush driving motor;

• characterized in that the vacuum cleaner further comprises a device for conducting motor recognition and protection, and said device comprising:
• a current detection circuit, being coupled to the roller brush driving motor for detecting an operation current;
• and
• a microprocessor, being coupled to the current detection circuit;
• wherein the microprocessor includes a memory storing an application program, and the application program including instructions, such that in case the application program is executed, the microprocessor being configured for:
• receiving the operation current from the current detection circuit in a run-up time period of the roller brush driving motor;
• determining a product model of the roller brush driving motor based on the operation current;
• deciding a protection parameter set according to the product model;
• and
• conducting a motor protection for the roller brush driving motor after loading at least one motor protection parameter contained by the protection parameter set.

A device for conducting motor recognition and protection, being allowed to be employed in a vacuum cleaner comprising a machine body and a dust suction device, wherein the dust suction device consists of a suction head and a connection tube, and the suction head including a roller brush and a roller brush driving motor;

• said device comprising:
• a detection circuit, being coupled to the roller brush driving motor, and being configured for monitoring the roller brush driving motor, so as to acquire a motor parameter;
• and
• a microprocessor, being coupled to the detection circuit;
• wherein the microprocessor includes a memory storing an application program, and the application program including instructions, such that in case the application program is executed, the microprocessor being configured for:
• receiving the motor parameter from the detection circuit in a run-up time period of the roller brush driving motor;
• determining a product model of the roller brush driving motor based on the motor parameter;
• deciding a protection parameter set according to the product model;
• and
• conducting a motor protection for the roller brush driving motor after loading at least one motor protection parameter contained by the protection parameter set.