Automotive Wire Harness

Automotive wiring harness consists of electrical system components such as wires, cables, connectors, etc., used to connect various parts of the car, such as engines, sensors, lighting equipment, electronic control units, etc., to achieve the transmission of power and signals. It is the main body of the automotive circuit network and is crucial for ensuring the normal operation of various systems in the car.

2、 Characteristics and Requirements

Heat resistance, oil resistance, and cold resistance: Automotive wiring harnesses need to work in various extreme environments, so they must possess these characteristics.

Flexibility: Automotive wiring harnesses need to adapt to the complex layout and mechanical strength inside the car, so they must have a certain degree of flexibility.

High data rate: With the development of automotive technology, automotive wiring harnesses need to support higher data rates to meet the requirements of high-performance data transmission applications. For example, LVDS (Low Voltage Differential Signal Transmission Line) technology has been widely used in many automotive components such as LCD displays that require speed and low power consumption.

3、 Composition and Classification

The automotive wiring harness is mainly composed of wires, cables, connectors, protective covers, etc. According to their different purposes and locations, automotive wiring harnesses can be divided into engine wiring harnesses, dashboard wiring harnesses, body wiring harnesses, chassis wiring harnesses, etc.

4、 Design and Manufacturing

Design principles: The design of automotive wiring harnesses needs to follow certain principles, such as the selection of fuses and circuit breakers, grounding distribution design, and the selection of wire types. These principles aim to ensure the reliability, safety, and maintainability of the wiring harness.

Manufacturing process: The manufacturing of automotive wiring harnesses requires multiple processes, such as wire cutting, stripping, crimping, assembly, etc. With the development of technology, the manufacturing process of automotive wiring harnesses is constantly upgrading to achieve higher levels of automation and production efficiency.

5、 Application Fields and Trends

Automotive wiring harnesses are widely used in various types of cars, including sedans, trucks, buses, etc. With the rapid development of new energy vehicles and intelligent connected vehicles, the application fields of automotive wiring harnesses will be further expanded. At the same time, automotive wiring harnesses are also facing higher technical requirements and challenges, such as trends towards lightweight, miniaturization, high-speed, and integration.