Reliability analysis of automotive wiring harness design

To realize the various functions of the vehicle, and play a good protection of the vehicle driving, automotive wiring harness has a very important role. In terms of the entire automotive electrical system, the wiring harness is the main body of the network of the vehicle circuit, and the wiring harness of the various circuits is to ensure the stability of the basis, so in the process of designing the electrical circuit of the car, to the car's electrical circuit reliability has a very high demand. 1, improve the reliability of the whole circuit design of the whole car in terms of the entire automotive electrical system, the wiring harness is the main body of the network of the vehicle circuit, the wiring harness, should be connected in parallel with the form of each line, and viewed as a series of the whole. In the wiring harness, each line should be connected in the form of parallel connection, and the overall view of the series connection, the normal operation of the electrical system, the need for the normal operation of each circuit. 2, mention the reliability of the son and connector in addition to the electrical system in the circuit, the performance of the terminals and connectors directly determines the overall performance of the wiring harness, and at the same time, the terminal and connector is also a very important part of the wiring harness. Due to the poor working links, so the terminals and connectors will often fail in the work, common corrosion, aging, poor contact and other problems. Failure in the electrical system, due to the terminals and connectors accounted for about fifty percent of the problems, so its reliability for the reliability of the vehicle plays a decisive role. 3, improve the reliability of the harness protection design in the vehicle's overall environment, the wiring harness can be said to be for the harsh work, it needs to be corrosive liquids or gases in a variety of presence, and often need to withstand High temperature, collision, etc., in this working environment, there will often be insulator wear or wire corrosion and other phenomena, resulting in short circuits, and if you want to make the wiring harness can carry out good work, you need to do a good job of the corresponding protection design. To improve the reliability of the vehicle wiring harness, can be said to be a very complex work, and want to make the reliability of the vehicle wiring harness can be improved, it is necessary from its design, assembly, use and other aspects of the reliability of strict requirements. Design is one of the links, but also to improve the reliability of a link, therefore, in the design process should be strict requirements for reliability, really improve the reliability of the harness.

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