Working principle of brake motor_Difference between brake motor and ordinary motor

Working principle of brake motor

A brake motor is an electric motor that converts electrical energy into mechanical energy. It mainly achieves braking or speed control through electromagnetic force.

In a brake motor, electrical energy is input into the stator coil of the motor, and the magnetic field generated acts on the permanent magnet or electromagnet on the rotor, causing the rotor to start rotating. During braking, the power supply of the brake motor will suddenly be cut off. At this time, the rotor of the motor will continue to move, but because there is no electromagnetic force driving it, the speed of the rotor will gradually slow down and eventually stop. During this process, the electromotive force generated by the motor will generate electricity in reverse, converting the kinetic energy of the rotor during braking into electrical energy, and feeding it back to the power supply through the circuit of the brake motor.

The speed control of the brake motor is mainly achieved by changing the input voltage or current of the motor. When the input voltage or current of the motor increases, the magnetic field generated by the motor will increase, thereby increasing the speed of the rotor. Conversely, when the input voltage or current of the motor decreases, the magnetic field generated by the motor will weaken, thereby slowing down the speed of the rotor.

In general, a brake motor is an electric motor that uses electromagnetic force to achieve braking or speed control. It can convert electrical energy into mechanical energy and is widely used in various mechanical equipment.

The difference between brake motor and ordinary motor

The main difference between brake motors and ordinary motors is that brake motors have brake devices added to their design, which can achieve rapid braking and stopping in a power outage, while ordinary motors do not have this function. Specifically, the following are the main differences between brake motors and ordinary motors:

Braking device: Braking motors are usually designed with braking devices, such as electromagnetic brakes, resistor brakes, etc. These devices can apply braking torque in a power outage, allowing the motor to brake and stop quickly. Ordinary motors do not have these braking devices and need to slow down and stop through friction or other means.

Application scope: Brake motors are usually used in situations where rapid stopping or precise control is required, such as winches, hoists, cranes, railway locomotives, etc.; while ordinary motors are widely used in industry, agriculture, transportation and other fields.

Functional requirements: Since brake motors are usually used in situations that require rapid stopping or precise control, they have higher functional requirements, such as good braking effect, short braking time, high braking stability, etc.; while ordinary motors have lower requirements for these functions.

Price: Since brake motors require the addition of braking devices, their prices are usually higher than ordinary motors.

In summary, the main differences between brake motors and ordinary motors are brake components, application scope, functional requirements and price. According to different application occasions and requirements, it is necessary to select the appropriate motor type to achieve the best control effect.