Electrical connector applications/trends in electrical connectors

In addition to meet the general performance requirements of the electrical connector, especially important requirements is that the electrical connector must achieve good contact, reliable, easy to maintain, and its reliability directly affects the normal operation of the aircraft circuit, involving the entire host of the safety and security. For this reason, the host circuit on the quality and reliability of the electrical connector has very strict requirements, but also because of the high quality and high reliability of the electrical connector, so that it is also widely used in aviation, aerospace, defense and other military systems. Commonly used classification methods for electrical connectors include shape, structure, use and so on. Electrical connector structure electrical connector by the fixed end of the electrical connector, that is, the negative contact (referred to as socket), and the free end of the electrical connector, that is, the positive contact (referred to as plug) composition. Socket through its square (round) disk fixed in the electric components (individual also uses welding), plug generally connected to the cable, through the connection nut to realize the plug, socket connection. Electrical connector by the shell, insulator, contact body three basic units. Shell electrical connector shell refers to the plug and socket shell, connecting nut, tail attachment. The role of the shell is to protect the insulator and contact body (pin jack of the common name) and other internal parts of the electrical connector from damage. The upper positioning keyway ensures that the plug and socket positioning. Connection nut is used to connect and separate the plug seat. Tail accessories are used to protect wires and contacts from damage at the end of the connection and for fixing cables. The housing also provides some electromagnetic shielding. The shell is generally made of aluminum alloy processing (machining, cold extrusion, die casting) and become. Steel shell is mostly used for glass sealing welding and high temperature electrical connectors. Insulator by loading pin insulator, loading jack insulator. Interface sealing body, sealing line body and other components. Used to keep the pin jack in the set position, and make the contact body and the contact body and shell between the mutual electrical insulation. Through the insulator plus interface sealing body sealing body to obtain sealing measures to improve the environmental performance of the electrical connector. In order to adapt to the product of high temperature, low temperature, flame retardant, to ensure that the geometry of the parts is stable and reliable. Most of the insulator using thermosetting plastic molding. Interface sealing body, sealing line body using silicone rubber molding and other molding. Contact body contact body including male contact and female contact parts, sometimes also known as pin jack, the connection is divided into welding, crimping, pressing and winding type, etc., to realize the circuit connection. Pin jack is a key component of the electrical connector, which directly affects the reliability of the electrical connector. Most of the pin jack using good conductivity of the elastic copper alloy material machined from the surface using silver-plated gold-plated to achieve small contact resistance and corrosion prevention purposes. Jacks generally have split slot jacks, wire spring jacks, crown spring jacks and punching jacks. Structural features are: environmentally resistant, bayonet (fast) connection, multi-key (anti-wrong plug), contact body and wire crimp connection, (a single pick-up and delivery for easy troubleshooting). Shell plus shielding ring to ensure 360 ° electromagnetic interference shielding capacity.

The development trend of the electrical connector 1, high-frequency and high-speed connector technology in many 5G communication applications, the connector carries the optical signal and the transformation of electrical signals, with the advent of the 5G Internet of Everything era, 5G's high data and high transmission requirements are destined to require the connector's performance upgrades, and high-frequency and high-speed characteristics have become the new requirements. 2, the connector technology in the Internet of Things era of wireless technology, wireless technology will be everywhere. Will also be ubiquitous, the connector in addition to the same as before to achieve contact connection, the future in many occasions such as industrial, automotive, etc. to ensure that the wireless transmission connection is also a guarantee, after all, double protection is safe. 3, smaller and more convenient connector technology used to be used for numerous connectors, they fill in a lot of expansion slots, of course, in the era of 5G, may be a fiber-optic equipment with Dozens of connectors, it requires smaller connectors to achieve higher performance connections.4, higher accuracy, lower cost connector technology due to automotive safety is very high requirements, automotive connectors would have been a very large market, with the development of electric vehicles, connectors in the accuracy and cost will require higher, they will be more popular than the previous connectors.5, smarter connector technology With the arrival of the AI era, the connector may not just realize the simple transmission function, the future in the switching power supply, in addition to ensuring that the data of the electrical signal, the connector or can be a simple intelligent judgment and protection, the output of the correct data at the same time to avoid damage to the power supply, of course, this requires the support of the IC technology. 6, the connector's automated production technology in the traditional connector design and production inside, the artificial accounted for the major part, and with the development of industrial automation, the connector will require more precision and cost. Part, with the development of industrial automation, especially the connector precision machining, abrasives and CAD, these advanced machines will become the main force of the industry.

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