Cosa è meglio, un motore a spazzole o un motore brushless? Quali sono i vantaggi, gli svantaggi e le differenze tra i due?

There are many types of motors, common brush motors, brushless motors, asynchronous motors, three-phase motors, single-phase motors, etc., we generally discuss more is a brushed motor and brushless motors, so brush motors and brushless motors in the end which is better? What are the advantages, disadvantages and differences between the two Vacuz give you an introduction to it!

Brushed motor and brushless motor, literally looks like a “brush” difference, how about the specifics?

First, brush motor:

Brush motor is a more traditional motor, started using a long time ago, mainly by the stator, rotor, shell, brushes, etc., through the magnetic field rotation to obtain the rotating torque, and then the output of kinetic energy, but this process requires the constant action of the brush, commutation and conductivity.

Its advantages are more rapid startup, smooth speed regulation, simple structure, timely braking, etc., the key price is more affordable, so it is favored by the majority of customers.

But brush motor has a bad problem, is due to the brush commutation, constant friction, it is easy to be bad, need to regularly replace the brush, this is more trouble.

Second, brushless motor

Since the brushes of the brush motor need to be replaced on a regular basis, can the brushes be removed? So there is a brushless motor.

Brushless motor has no brush commutation, using electronic commutation, work by the controller in the control circuit to complete.

The main working principle: the coil is fixed, the magnetic poles rotate, with Hall sensors instead of brushes, you can ensure that the magnetic direction, switch the current direction to drive the motor.

The advantage is that without the friction of brushes, there will be no sparks, not only long service life, maintenance-free, and can be applied to more delicate scenes. The disadvantage is that the price ratio is relatively expensive.

Here to summarize: brushed motor is more stable, large output, cheaper, simple structure; brushless motor is smaller, faster, more efficient, maintenance-free, and can be adapted to a variety of complex scenes. In fact, we should choose the right motor products according to our own needs.

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