D-Shaft 5V Dynamo Motor

Specification

• Voltage : 5V
• Shape : Round
• Shaft Length : 9 mm D-shaped
• Diameter : 35 mm
• Use For : DIY Projects

Description

A 5V dynamo motor refers to an electric motor that operates at a voltage of 5 volts (V) and utilizes the principles of electromagnetic induction to generate mechanical motion from electrical energy. Here’s a description of its key components and functioning:

1. Stator: The stator is the stationary part of the motor and consists of coils of wire wound around an iron core. These coils are typically arranged in a specific pattern to create magnetic poles when current flows through them.
2. Rotor: The rotor is the rotating part of the motor. It is usually equipped with magnets or soft iron cores to interact with the magnetic field produced by the stator. As the magnetic field changes due to the flow of electric current, the rotor experiences a mechanical force that causes it to rotate.
3. Commutator: In many dynamo motors, especially those of the direct current (DC) type, a commutator is used to reverse the direction of the current in the coils as the rotor spins. This reversal ensures that the magnetic forces continue to act in the same direction, maintaining a consistent rotational motion.
4. Brushes: Brushes are conducting elements that make physical contact with the commutator. They allow the current to flow from an external power source to the coils on the stator, energizing the motor and causing it to spin. Brushes need to maintain good contact with the commutator for efficient operation.
5. Electrical Connections: The motor is typically equipped with terminals or wires that allow it to be connected to an external power source. In the case of a 5V dynamo motor, it requires a 5-volt power supply to function correctly.

Working Principle:
When a voltage of 5V is applied to the motor, current flows through the coils in the stator. This current creates a magnetic field, which interacts with the magnetic field produced by the rotor. As a result of this interaction, a mechanical force is generated, causing the rotor to start rotating. The commutator and brushes ensure that the current direction in the coils changes at the appropriate times to sustain the rotation.