When the vacuum cleaner is working, through the high-speed rotation of the motor, a strong airflow is formed in the fuselage, so that the garbage on the ground is sucked into the suction port. When the motor speed reaches a certain set value, some pests sucked into the host will be sucked to death by the powerful suction. The inhaled garbage will be placed in the garbage bag of the fuselage, and when the storage is full, it will be dumped into the trash can. This is how a vacuum cleaner works.

1. The vacuum cleaner uses the high-speed rotation of the motor to form a vacuum in the main unit, and uses the resulting high-speed airflow to suck in the garbage from the suction port. At this time, the speed of the airflow is as high as 240 rpm, and pests such as lice enter the host and die due to high-speed collision with the inner wall of the vacuum cleaner.

2. The garbage sucked into the vacuum cleaner is accumulated in the bag machine, and the air purified by the filter is discharged from the vacuum cleaner while cooling the motor. The motor is the heart of the vacuum cleaner, and its performance can directly affect the reliability of the vacuum cleaner.

3. In addition, the motor used in the vacuum cleaner rotates 20,000 to 40,000 revolutions per minute. For example, the motor of an electric fan has a speed of about 1800 to 3600 revolutions per minute, which shows how high the motor speed of the vacuum cleaner is.

4. The resultant force of wind and vacuum generated by the vacuum cleaner, these two factors have opposite characteristics. That is, when the wind force is large, the vacuum force becomes weak, and when the vacuum force is strong, the wind force becomes small. The maximum value of the resultant force of the two is the "suction power" that represents the ability of the vacuum cleaner, and the suction power is expressed in watts (W).