The price difference between different vacuum cleaners is so big. It turns out that the motors used are different? After reading to avoid stepping on the pit
Motors and Motors
In fact, they all use motors to complete their work, and some people call it motors. The term "motor" is common in digital circles. The rotor motor, x-axis motor, and z-axis motor are very important to the experience of mobile phone vibration.
It should be noted that although the functions of the motor and the motor are the same, the motor is a machine driven by electricity, and the motor includes many driving methods, and the motor is only one of them.
So I seem to understand that many electronic products work through the rotation of motors. I didn't want to understand these complex reasons before, but after passively learning such a little knowledge, I instantly became more curious, and I also thought of the four-wheel drive car I played when I was a child.
Brushed and brushless motors
Seeing that I seemed to be interested, I picked up a Lvlian handheld portable vacuum cleaner at my house for demonstration. Listening to the sound of this vacuum cleaner working, it should be a brushless motor.
Are there brush or brushless motors? This is the first time I've heard this statement. To make it easier for me to understand, he vividly explained the two different working principles with two pictures.
In simple terms, a brushed motor uses mechanical commutation, the magnetic pole does not move, and the coil rotates; a brushless motor uses electronic commutation, the coil does not move, and the magnetic pole rotates.
Still seems hard to understand? For our users, the most intuitive feeling is that the brushless motor makes lower noise and runs more smoothly. This is why friends can immediately feel that it is a brushless motor when they turn on the vacuum cleaner.
How to make a choice
From the point of view of consumers' purchase, brushed motors have low use costs and are easy to maintain; brushless motors have fewer brushes and have a longer service life. They rarely need maintenance in the later period, and only need to do some dust removal maintenance.
After understanding the basic working principle, it is very helpful for us to choose some products on the market. For example, it is also a vacuum cleaner. The price of a vacuum cleaner with a brush motor is lower than that of a vacuum cleaner with a brushless motor. We will not blindly choose according to the price.
In addition to brush and brushless, the speed of the motor and the suction generated are easier to understand. The brushless motor speed of Lvlian's vacuum cleaner is 88,000 rpm, and the maximum suction force generated is 13,000 Pa. For a small vacuum cleaner, the suction force is enough to deal with some cleaning problems in daily life.
