The battery and starter are important components of the automotive electrical system, working together to ensure that the engine can start smoothly.
The main function of a battery is to provide electrical energy to the entire vehicle. When the engine is running at high speed, the generator generates electricity to store excess energy in the battery. Batteries are divided into traditional lead-acid batteries and maintenance free batteries. Maintenance free batteries have advantages such as no need to add any liquid and long energy storage time. Nowadays, cars equipped with start stop functions are also matched with dedicated start stop batteries, which have the advantages of larger capacity and can provide high current. When the vehicle needs to replace the battery, it is recommended to replace it with a battery that has the same function and capacity as the original vehicle battery.
The starter, also known as the motor, is the core component of the car starting system, responsible for converting the electrical energy of the battery into mechanical energy to drive the engine flywheel to rotate and start the engine. The starter motor mainly consists of three core parts: DC series excited motor, transmission mechanism, and control device. DC series excited motors are responsible for converting electrical energy into mechanical energy and generating electromagnetic torque; The transmission mechanism ensures that the small gear on the starter shaft meshes correctly with the flywheel ring gear, transmitting torque to the engine crankshaft; The control device connects and disconnects the circuit between the motor and the battery, and connects and disconnects the additional resistance of the ignition coil when needed.
It should be noted that the capacity of the battery also affects the starter motor. When the capacity of the battery does not match the power of the starter motor, the starter motor may not be able to drive the engine or the speed may not be sufficient, resulting in the inability to start the engine. Similar situations can also occur when the battery is in a depleted state.
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