What are the three main components of a power connector?

I. Power plug connector by the shell, insulator, contact body of the three basic units combined.1. Shell: power plug connector shell refers to the socket plug shell, connecting nut, end fittings. The role of the shell is to protect the insulator and contact body (pin holes in the common name) and other internal parts of the power plug connector is not damaged. The precise positioning keyway at the top ensures accurate positioning of the plug and socket. The connecting nut is used for connecting and disconnecting the plug holder. The end fittings are used to protect the wires and contacts from damage and to reinforce the cables. The new energy electric vehicle connector shell also has a corresponding electromagnetic shielding effect. The shell is commonly used aluminum alloy processing (machining, cold extrusion, die-casting) and become. Steel shell is mostly used for glass sealing welding and high temperature resistant power connectors. 2. insulator: by loading the pin insulator, loading jack insulator. Interface sealing body, sealing line body and other combinations. Used to maintain the pin hole in the setup specific position, and make each contact between the contact body and each contact body and the shell of the electrical insulation between each other. The insulator and the interface sealing body and the wire sealing body are used to obtain sealing countermeasures to improve the environmental resistance of the connectors for new energy electric vehicles. In order to apply the product's high temperature, low temperature and fire resistance, and to ensure that the geometric specifications of the parts are stable and reliable, most of the insulators are made of thermoset molding compound. Most of the insulators are made of thermoset plastic molding. Interface sealing body, sealing line body selection of silicone rubber molding and other molding. 3. contact body: pin connector is the contact body collectively, can be divided into welding, crimping and winding type, etc., used to complete the circuit connection. Power plug connector pin hole is an important part of the new energy electric vehicle connector, it can directly affect the stability of the new energy electric vehicle connector. Most of the pin holes are made of flexible copper alloy materials with good conductivity, and the surface layer is silver-plated and gold-plated to achieve small contact resistance and corrosion resistance. The holes are commonly split groove type holes, wire spring holes, crown spring holes and punched holes and so on. Structure is characterized by: environmentally friendly, bayonet type (rapid) connection, multi-key (anti-misplaced), contact body and wire crimp connection, (single take and send for easy troubleshooting). Shell plus screen cheat ring to ensure a full range of electromagnetic interference screen cheat ability.

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