Application of NdFeB Magnetic Tile in Brushless Motor

The development time of brushless motors in my country is short, and with the increasing maturity and improvement of technology, it has developed rapidly. The wide application of brushless motors in model aircraft products has driven many small and medium-sized NdFeB magnetic tiles and NdFeB diameters in the Pearl River Delta. The production and development of the magnetic ring enterprise has been widely used in many fields such as model aircraft, medical equipment, household appliances, electric vehicles, etc., and has formed a large-scale industrial chain in Shenzhen, Changsha, Shanghai and other places. In the aspect of brushless motors The research and development of new products has achieved remarkable results.

We all know that NdFeB magnetic tile or NdFeB radial magnetic ring is as important as the human heart in motor products. After the current is energized, the magnetic field generated by the coil and the NdFeB magnetic tile or NdFeB radial magnetic Therefore, the magnetic field strength of the NdFeB magnetic tile or the NdFeB radial magnetic ring is very important for the operation efficiency of the motor.

Let's take a look at the advantages of brushless motors first;

1. No brush, low interference. The brushless motor has removed the brush, and the most direct change is that there is no electric spark generated when the brushed motor is running, which greatly reduces the interference of the electric spark to the remote control radio equipment.

2. Low noise and smooth operation. The brushless motor has no brushes, the friction force is greatly reduced during operation, the operation is smooth, and the noise will be much lower. This advantage is a huge support for the stability of the model.

3. Long service life and low maintenance cost. Without the brush, the wear of the brushless motor is mainly on the bearing. From a mechanical point of view, the brushless motor is almost a maintenance-free motor. When necessary, only some dust removal maintenance can be done.

The brushless motor, as the name implies, definitely does not need the original carbon brush. A magnetic field is formed around the winding coil that rotates around the geometric axis of the motor. This magnetic field drives the Permanent Magnet magnet on the rotor to rotate, and the motor rotates. The performance is related to the number of NdFeB magnetic tiles, the magnetic flux intensity of the NdFeB radial magnetic ring, the input voltage of the motor, etc. The brushless electronic governor really determines its performance. A good electronic governor needs to have The single-chip microcomputer controls the overall control of program design, circuit design, complex processing technology and other processes, so the price is much higher than that of brushed motors.