The working principle and application field of DC brushless geared motor

The working principle of the DC brushless geared motor: The brushless geared motor uses semiconductor switching devices to realize electronic commutation, that is, electronic switching devices are used to replace the traditional contact commutator and brushes. It has the advantages of high reliability, no commutation spark, and low mechanical noise.

The DC brushless geared motor is composed of a permanent magnet rotor, a multi-pole winding stator, and a position sensor. According to the change of the rotor position, the position sensor commutates the current of the stator winding in a certain order (that is, detects the position of the rotor magnetic pole relative to the stator winding, and generates a position sensor signal at the determined position, which is processed by the signal conversion circuit To control the power switch circuit, switch the winding current according to a certain logic relationship). The working voltage of the stator winding is provided by the electronic switching circuit controlled by the output of the position sensor.

 

The reason why the DC brushless geared motor is widely used is because it has the following advantages:

1. Brushless, low interference

2. Low noise and smooth operation

3. Long life and low maintenance cost

 

DC brushless motor gearbox is referred to as DC geared motor and DC brushless reducer for short. Its main structure is a deceleration device assembled by driving a DC brushless motor and a gear box (reducer). It has the functions of decelerating and increasing torque; for better To meet the market demand, it is used in more equipment and scenarios, and usually adopts the technical parameter development service of customized brushless DC motor gearbox, such as the output speed, power, voltage, diameter and other technical parameters of brushless DC motor, and the gear box Technical parameters such as transmission reduction ratio, gear transmission structure, rotation accuracy, transmission noise, and service life are custom-developed.

 

Product Usage:
Brushless DC motor reduction gearboxes are widely used in smart home, automotive drives, robots, medical equipment, office equipment, digital equipment, consumer electronics, industrial automation equipment, personal care tools, household appliances, communication equipment and other fields. Such as: electric tailgate motors for automobiles, smart electric curtain motors for smart homes, pan/tilt motors for cameras in the field of electronic products, precision micro reducers in the field of medical equipment, etc.