The starter, also called the motor, converts the battery's electrical energy into mechanical energy, driving the engine flywheel to rotate the engine.
The starter is divided into a DC starter, a gasoline starter, a compressed air starter, etc. according to the working principle. Most of the internal combustion engines use a DC starter, which is characterized by compact structure, simple operation and easy maintenance. The gasoline starter is a small gasoline engine with a clutch and a shifting mechanism. It has a large power and is less affected by the temperature. It can start a large internal combustion engine and is suitable for use in high-altitude areas. Compressed air starters are divided into two categories, one is to drive compressed air into the cylinder according to the working order, and the other is to use a pneumatic motor to drive the flywheel. The use of a compressed air starter is close to that of a gasoline starter and is typically used for starting a large internal combustion engine.
The DC starter is composed of a DC series motor, an operating mechanism and a clutch mechanism. It specializes in starting the engine and requires a lot of torque, so the amount of current to pass is very large, reaching a few hundred amperes.
The DC motor has a large torque at low speeds, and the torque is gradually reduced when the speed is high, which is suitable for use as a starter.
The starter adopts a DC series motor, and the rotor and stator parts are wound by a relatively thick rectangular cross-section copper wire; the drive mechanism adopts a reduction gear structure; and the operating mechanism adopts electromagnetic magnetic attraction.
