In the design of high-voltage wire connectors, the anti-rotation structure is very important

High-voltage wires are usually thicker in diameter, and the reliability of the connection cannot be fully guaranteed by the fixed structure between the wire pins and the jacks of the connector alone. Especially in some moving areas, the vibration generated by the movement of the wire itself and the movement of the vehicle during operation will affect the connection reliability of the pin and the connector. In severe cases, the pins may even break. Therefore, high-voltage connectors often require additional fixing to minimize the mutual movement between the high-voltage wires and the connector. Common anti-rotation designs in interior design are:

(1) Clamping of support ribs

There are several support ribs in the inner layer of the connector, and the support ribs clamp the high-voltage wire harness to prevent the wires from rotating. This design has a certain function of releasing torsion, but the support ribs are very thin, and the performance improvement is limited.

(2) Polygon restrictions

Radial rotation of the wire relative to the shield can be effectively prevented by using a hexagonal shield/metal sleeve/counter-rotating part.

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In the design of high-voltage wire connectors, the anti-rotation structure is very important