Automotive Shielded Wire Requirements

With the improvement of automobile electrical equipment, the functions and equipment of vehicle electrical equipment are increasingly complicated, and the effective regulations of wiring harness design are gradually improved. In addition, the cost of vehicles has a gradual downward trend, and the pressure on the cost of wiring harnesses is also gradually increasing. Therefore, whether the wire harness design is effective or not, and whether the wire harness system software can be improved for the best control design, the popularity in these two jobs is slowly increasing. The core effectiveness of wire shielding is to avoid interfering signals. When the data signal harness is close to large current or high voltage harnesses or parts, the data signal wires may cause inaccurate data signals due to interference signals. The shielded conductor surface includes an aluminum or mesh structure wire harness that serves as a grounding device. The influence of radio waves is eliminated by the direct grounding device.

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The automobile wiring harness connects all the instrument panels, electric actuators, and sensors of the automobile, and undertakes the functions of switching power supply distribution and data signal transmission in the whole vehicle. Comparing the body, the electrical wires are equivalent to the capillaries and central nervous system of a car. Therefore, whether the wiring harness design is effective or not will directly affect the safety factor of the electrical equipment of the whole vehicle and the reliability of automotive applications. The design of automobile wiring harness is unscientific. If it can't meet the requirements of actual vehicle load, the life of the fuse is too short, and safety accidents such as abnormal burning of the fuse, overload, overheating and fire may occur. Excessive duplication of wire design data is not conducive to vehicle cost management, vehicle quality and diesel rationality. Finally, to sum up, the design of automobile wiring harness is effective and appropriate, and the optimal control of wire harness design has become a concern of more and more automobile manufacturers and wiring harness manufacturers. Fusion products can detail, control and optimize all design processes according to the design method-certification-improved closed-loop control method.

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