What Are the Micro DC Motors in the Electric Toothbrush?

Electric toothbrush is a modern tooth cleaning equipment, due to its efficient, convenient and comfortable characteristics, in daily life has become more and more people's choice. As the core component of electric toothbrush, the choice of micro motor is crucial to the performance and user experience of electric toothbrush. This article will introduce the types and characteristics of mini motors commonly used in electric toothbrushes.

In the toothbrush motor, we can see two different kinds of small motors, namely, rotary micro motors and vibrating micro motors.

Rotary micro motor is a common toothbrush motor, the principle is through the motor to drive the brush head rotation, in order to achieve the effect of cleaning the mouth. This kind of motor is simple in structure, easy to manufacture and maintenance, and its speed is relatively high. This makes the brushed micro motor more effective in cleaning teeth when dealing with stubborn tooth stains. In the rotating micro motor, it is usually composed of a rotor, a stator, an electric coil and a permanent magnet. When the external power supply is input, the wire coil converts the electrical energy into magnetic energy, making the rotor rotate around the center of the electric coil due to magnetic attraction. The distance between the rotor and the stator is very small, and the electrostatic magnetic induction is converted to dynamic magnetic induction, so that the rotor rotates in the center of the stator. When the power supply is stopped, the current in the electric coil disappears and the rotor stops running. In addition, in the toothbrush motor, other auxiliary facilities will be added, such as frequency conversion circuit, vibration control circuit, etc. These devices are designed to better control the work of the motor and ensure that it is as fast, stable and silent as possible during operation.

The vibrating micro motor in a toothbrush motor works on the principle of electromagnetism. The motor is made up of two main components - a rotating armature and a stationary core. The core contains a series of copper wire coils that are wound around it. A small magnet is attached to the armature, and when electricity is applied to the coils in the core, the magnet begins to vibrate rapidly. As the magnet moves back and forth, the armature rotates and causes the bristles on the toothbrush head to oscillate. This creates a scrubbing motion that effectively removes plaque and other debris from teeth and gums. The motor is designed to operate at a high speed, typically between 20,000 to 30,000 revolutions per minute, ensuring a thorough clean every time.

The above is our VSD motor to share with you about classification and characteristics of DC mini motors in the electric toothbrush. For more information, please contact our customer service professionals. Thank you for clicking and watching.