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The difference between brushless pump and brush pump

日期:2021-06-16   来源:时光电子


In the driving mode, although the brushless pump and the brush pump are electric pumps, but the brushless DC pump is driven by the brushless DC motor, the brush pump is driven by the brush motor, the default is the brush DC pump, that is, you say the traditional brush pump.

They are different in how they work.


Brushless motor and brushless motor have many differences, from the name can be seen that the brushless motor has a carbon brush, brushless motor no carbon brush brushless DC motor consists of the motor body and the driver, is a typical mechatronics products.

Because the brushless DC motor is operated in automatic control, it will not add the starting winding on the rotor like the synchronous motor started under the frequency conversion speed regulation, and it will not oscillate and lose step when the load changes.

Brush motor is a traditional product, the performance is relatively stable.


Brushless motor uses a set of electronic equipment to sense the position of permanent magnet pole through Hall element. According to this perception, electronic circuits are used to timely switch the direction of current in the coil to ensure that magnetic force in the correct direction is generated to drive the motor.

Eliminate the drawback of brush motor.

These circuits are the motor controllers.

Brushless motor controller, can also achieve some functions that can not be realized by the brush motor, such as adjusting the power switch Angle, braking the motor, so that the motor reverse, lock the motor, use the brake signal, stop the power supply to the motor.

Now the battery car's electronic alarm lock, make full use of these functions.




Two, the difference between brushless DC water pump and motor type water pump:




Motor pump is motor pump body, can be understood as a split structure.

The brushless DC water pump is an integral structure, the driver is inside the pump, and the sealing is good.




In addition, the pump in different levels have different classification methods, divided into: diaphragm pump, peristaltic pump, piston pump, gear pump, centrifugal pump.


The following picture is an example, this is a brush pump, there is a price discount, with the solenoid valve used together, the life will be increased accordingly

SC1205XPM主图1.jpg


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