What is the key to new energy vehicle electrical connector design?

I. What is the new energy vehicle electrical connector design key? The key to new energy vehicle electrical connector design lies in the design of the contact point formed by the female terminal and the male pin. If the design, process and material selection, plating layer, can lead to the contact point is not ideal or can not form contacts. On the contrary, too much positive clamping force can lead to excessive wear of the plating surface of the connector and shorten its mechanical life, that is, the number of connector insertion and removal. Contacts are designed with lathe round pins and terminals, punched terminals, etc. The materials of the plating layer are gold, palladium, nickel, silver, tin, etc. Silver has high electrical conductivity, but it is easy for the connector to wear out. Silver has high electrical conductivity, but is easily discolored, especially in sulfur-containing environments. Slightly affects the appearance only, but seriously reduces the conductivity. Palladium nickel's high hardness and low void ratio, so its corrosion resistance is good. Gold has high chemical stability, low hardness and high cost. In contrast, each has its own advantages and disadvantages.

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