The topic of this essay is the introduction of a product that features a brushed motor. Specifically, we will be discussing the advantages and disadvantages of brushed motors, with a focus on a brand called Jkongmotor. We will explore the rotational mechanism, the need for additional drivers, the torque characteristics, the rotational speed, the methods of reversing the motor's direction, the control options, and the pricing of these motors.

Advantages and Disadvantages of Brushed Motors:

Brushed motors, such as those produced by Jkongmotor, offer several advantages and disadvantages. On the positive side, these motors employ a sliding contact rectifier mechanism using brushes and commutators to switch the armature current. This design eliminates the need for additional driver devices, simplifying the overall system. Additionally, brushed motors provide high starting torque, which is proportional to the armature current. This characteristic makes them suitable for applications requiring significant torque at medium to high speeds.

However, brushed motors also have their limitations. The rotational speed of these motors is directly proportional to the voltage applied to the armature. As the load torque increases, the speed decreases. Moreover, due to the constraints of the brush and commutator rectifier mechanism, the maximum rotational speed of brushed motors is limited to a few thousand revolutions per minute. Additionally, the lifespan of the brushes and commutators is limited to several hundred to several thousand hours due to wear and tear.

Reversing the Motor's Direction:

To reverse the direction of a brushed motor, it is sufficient to change the polarity of the pin voltage. By reversing the polarity, the motor's direction of rotation can be altered easily.

Control Options:

Controlling the speed of a brushed motor requires a speed control mechanism, typically utilizing feedback from a speed sensor. This feedback allows for constant speed rotation. Additionally, since the torque is directly proportional to the current, torque control is relatively straightforward with brushed motors.

Pricing:

When it comes to pricing, brushed motors are relatively inexpensive compared to coreless motors, which can be more expensive due to the use of upgraded magnets.

Conclusion:

In conclusion, brushed motors, such as those produced by Jkongmotor, offer several advantages and disadvantages. These motors feature a sliding contact rectifier mechanism using brushes and commutators, eliminating the need for additional drivers. They provide high starting torque and are suitable for applications requiring medium to high speeds. However, their rotational speed is limited and decreases as the load torque increases. Reversing the motor's direction is simple by changing the polarity of the pin voltage. Control options include speed control using speed sensors and torque control due to the direct proportionality of torque and current. Finally, brushed motors are relatively inexpensive compared to coreless motors.