Wiring harness in the body of new energy vehicle

New energy vehicle wiring harness is the main body of the network of automotive circuits, without the wiring harness, there would be no automotive circuits. The wiring harness is a component that connects the circuit by forming a bundle with copper contact terminals (connectors) that are crimped with wires and cables and then molded and pressed with insulators or additional metal shells. The rules for the arrangement of the wire harness in the body of the car are as follows.

Here is the content:

Dynamic gap and static gap

Clearance with pipeline and high-temperature area

Wire harness direction control

Dynamic gap and static gap

First of all, there should be enough clearance between the new energy vehicle wiring harness and the body and other parts, which is divided into dynamic clearance and static clearance. Dynamic clearance: First, the clearance between the wire harness and the moving parts is required to be greater than 25mm. The initial design of the wire harness should maintain a clearance of more than 7mm with the moving envelope of the parts. Static clearance: In addition to the parts that hold the harness in place, the clearance between the harness and the relatively static parts is recommended to be maintained at 6mm (inclusive) or more.

Clearance with pipeline and high-temperature area

Avoid crossover between the new energy vehicle wiring harnessand the liquid pipeline (fuel pipe, brake pipe, etc.). The clearance between the wiring harness and pipeline should be guaranteed above 25mm. If the clearance requirement cannot be guaranteed, the wiring harness should be directed to prevent mutual wear and short circuit.

The clearance between the wire harness and the exhaust pipe/other high-temperature areas should be more than 200mm, if it cannot be guaranteed, it should be wrapped with high-temperature resistant material, and the clearance should be more than 50mm.

Wire harness direction control

In general, the distance between the new energy vehicle wiring harness and the two fixing points should be controlled at about 300mm, and the gap between the ties should be no more than 150mm in the case of mud and water, etc. The wire harness should be set at an acute angle; in the case of a right angle, the fixing points should be set at the corners to ensure the wire harness orientation; in the case of an obtuse angle, the fixing points should be set according to the previous article. When the harness branches, the branch point from the trunk of the tie fixed point gap of not more than 100mm. The connector tail within 150mm should be set fixed points to prevent the harness shaking caused by poor terminal contact and thus cause electrical failure harness should be avoided from the edge of the metal bracket, welding seam, standing water, and another harsh environment wiring.

In this era where cars are becoming as common as cell phones, people's requirements for cars are getting higher and higher, and performance is usually an important criterion for people to measure a car: power, fuel economy, braking, handling stability, and smoothness. If the performance is good and the wiring harness is not well designed, or if there is a problem with the wiring harness, the quality is not good enough. Our company has been researching and manufacturing new energy vehicle wiring harnesses for many years. Welcome to buy our products.