What is the overall structure of the car?

An ordinary car consists of about 20,000 parts. When the car is running, more than 65,438+0,500 parts run synchronously. Automobile is a product with high technical density.

However, no matter simple or complex cars, they are generally composed of four parts: engine, chassis, body and electrical system.

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Overall structure of automobile

Engine: It is the power plant of the car. At present, gasoline or diesel internal combustion engine is still the main engine, but with the progress of automobile technology, power systems such as motors gradually appear, thus replacing the traditional internal combustion engine.

Chassis: a component that receives the power of the engine and makes the car move and run normally according to the driver's operation; It is mainly composed of transmission system, running system, steering system and braking system.

Car body: The car body is a part that provides space for passengers and goods, and it can be divided into load-bearing and non-load-bearing types. Most car bodies are load-bearing, which not only provides space for members, but also serves as a carrier for installing other parts of the vehicle.

Electrical system: including power supply (battery) and electrical equipment (such as speakers, wipers, lights, etc. ); In addition, modern automobiles increasingly adopt electronic control technology and intelligent technology, such as engine electronic control, navigation system, man-machine interaction system, network system, etc., which also belong to the category of electronic equipment.