Automotive wiring harness

At present, all kinds of automotive wire harness on the market are basically the same, are composed of wires, connecting devices and wire package, the main function is transmission and distribution of automotive power and signal systems. With the increase of automobile functions, the universal application of electronic control technology, and the higher requirements of safety, comfort, economy and emission cleanness for automobiles, more and more functions of electric appliances are configured on automobiles, as more and more wires are added to the electrical components, the wiring harnesses become more and more complex, and eventually the car harnesses become thicker and heavier. The weight of automobile wiring harness is about 3-5% of automobile weight. According to statistics, a high-end car harness usage has reached 2km, the weight of 40-60 kg. For every 100 km driven, a 5 okg harness consumes about 100W of energy, equivalent to burning 0.2 kg of fuel. The results show that if the vehicle weight is reduced by 10% , the fuel consumption can be reduced by 8% , the fuel consumption can be reduced by 0.3-0.6 l and the C02 emission can be reduced by about 5 G/KMM for every 100 kg of vehicle weight. Therefore, the future trend of automotive wiring harness and its accessories is thinner, lighter, thinner. It is of great significance to study the lightweight materials and key technologies of automotive wires. As the main material of automobile wire harness, electric wire also influences the selection of connecting device and wire package to a certain extent. Common Specifications for the wires in the automotive harness are those with nominal cross-sectional area of 0.5,0.751.0.1.5,2.02.5,4.0,6.0 square mm, and 8,10,15,20 square mm for special circuits, each of them has an allowable load current value, which is suitable for the wires of different power equipment. The voltage drop and the heating of the wires should be taken into account when determining the cross-sectional area of the wires. Wires are copper multi-core soft wire, some thin as hair, a few or even dozens of soft copper wire wrapped in plastic insulated pipe, soft and not easy to break.

宁波乔普电器有限公司NINGBO QIAOPU ELECTRIC.,LTD

           2021.06.11