The Sealability and Shielding Performance of Automotive Connectors

In reality, many traffic accidents are caused by faults of automotive connectors. To ensure better running of cars, the reliability of connectors can include the sealing performance, the anti-spark performance, the shielding performance, and the temperature control performance of the car during running. This article mainly discusses the sealability and shielding performance of automotive connectors.

1. The sealability of automotive connectors

Generally speaking, when discussing the sealability of automotive connectors, we should pay more attention to the sealing performance of the car, not just waterproofing. In this field, the popular international management standard is IP67, which is also the highest level in the car sealing industry. Although the waterproof requirements for different parts of cars are different, many car manufacturers choose IP67 to ensure the sealability of their automotive connectors.

Power supply is a very important energy source for car running. It is not only related to the normal operation of the engine, but also used by people during driving. Therefore, in automotive power systems, automotive connectors are divided into different categories, and certain sealing measures can be implemented between the male connectors and the devices, between the male connectors and the cables, between the male connectors and the female connectors, and between the female connectors and the cables.

As a common tool to achieve the sealability of automotive connectors, the sealing ring can also achieve fixed effect between different hole positions. It can not only ensure the stable operation of automotive equipment, but also ensure their waterproof performance during work. Most sealing rings are made of silicone rubber, a material made of liquid and solid silicon through chemical changes.

2. Shielding performance of automotive connectors

Electronic circuit technology is very important to the stable work of the car. In order to ensure the stable operation of electronic circuits, many shielding technologies are applied in the production of automobiles, which not only play a protective role in electronic circuits of automobiles, but also play anti-interference and anti-radiation functions in automobile components. In addition, it also protects the stability of the automotive connector.

Shielding technology in automobiles can be divided into two types: inner shielding and outer shielding. When using outer shielding to protect the car connector, two identical shielding shells are usually assembled together to form a shielding layer, the length of which can cover the entire length of the connector. There must also be enough locking structure on the shielding layer shell to ensure reliable installation. In addition, the shielding material used not only needs to be electroplated, but also needs to do chemical corrosion prevention treatment.

Greenconn is a connector solution provider that has accumulated decades of experience in the field of automotive connector manufacturing, providing one-stop production service from product design and development, tooling manufacturing, terminal stamping, surface plating, and injection molding, to assembly automation and packaging. At the same time, every process is strictly adhering to ISO 9001, IATF 16949, VDA 6.3, and other standards and requirements, to ensure high quality. Greenconn’s automotive connectors and other products have been widely introduced into the supply chain of BYD, BMW, Ford and other well-known car companies. Contact us for more information!
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