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Automotive wiring harnesses will be thinner, lighter and thinner

Categorization:Product Information       

Specializing in the sales of: Connectors | Wire Harness | Cable Products

Automotive wiring harnesses, often considered to be the central nervous system of a vehicle, connect the on-board computer to all relevant functions on the vehicle. Automotive wiring harness in the car electronic technology content and quantity, gradually become an important indicator to evaluate the performance of the car. With the continuous growth of China's automobile industry, the automotive wiring harness industry has also been rapid development. Suzhou Huicheng Yuan Electronics Co., Ltd. has crafted a better display platform for automotive wiring harness related enterprises. From automotive wiring harnesses to automotive connectors, from automotive electronics to automotive testing, from traditional cars to new energy vehicles, Suzhou Huicheng Yuan Electronics is committed to improving automotive comfort, safety and economy, to provide OEMs with a complete set of core components and efficient design ideas. "Cars bring a lot of convenience to people's lives, but they have also been consuming natural energy on earth. With the rapid development of automotive electronics and information technology, there are more and more electronic and electrical functions in cars. The extensive use of these electronic devices makes the electrical wiring in the car longer and more complex, and the increase in the weight of the automotive wiring harness also leads to an increase in the cost and energy consumption of the whole car."

The lightweight development trend of the wiring harness automotive wiring harness weight accounts for about 1~2% of the weight of the car. According to statistics, a car's wiring harness usage has reached 2km, weighing 20~30kg. every 100km, 25kg heavy wiring harness consumes about 50W of energy, equivalent to burning 0.1kg of fuel. Research shows that if the car weight reduction of 10%, fuel consumption can be reduced by 8%; car weight reduction of 100kg, 100km fuel consumption can be reduced by 0.3-0.6L, CO2 emissions can be reduced by about 5g/km. Therefore, the future development trend of automotive wiring harnesses is finer, lighter, thinner. In line with the trend of energy saving and environmental protection, the electrical system in the automotive wiring harness R & D goal is also finer, lighter, thinner. The focus is on 0.13mm fine gauge wires and aluminum wires.  Challenges for Aluminum Conductors Due to the nature of the aluminum material itself, which is easily oxidized and soft, the mechanical and electrical properties after crimping are relatively low. Additionally contact between aluminum and copper can cause galvanic corrosion. Aluminum conductivity is lower than copper, to achieve the same current-carrying capacity, aluminum wire diameter will be thicker than the copper wire diameter. After the wire diameter thicker, the branch wire diameter will also become thicker, for wiring difficulties. In order to solve these problems, the solution was shared at the Electronics Fair, which started with mechanical and electrical properties. In the air, stripping the head of the aluminum wire is easy to be oxidized, producing a layer of oxide film on the surface, and after crimping with the terminal, this layer of oxide film will increase the resistance value, resulting in reduced conductivity.

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