< / p > < p > the basic structure of circular connector
: < / p > < p > circular connectors are shell, the basic structure of the main components contact pieces, insulators, appendage.
< / p > < p > 1, shell < / p > < p > shell, also known as shell, is a circular connector cover, it is installed inside the insulation of the mounting plate and pin to provide mechanical protection, and provide the plug and socket inserted right alignment, and then to fix the connector on the device.
< / p > < p > 2, contact element < / p > < p > contact element is the core of the circular connector complete electrical connection parts.
Generally consists of positive and negative contact piece of contact, through Yin and Yang contact is inserted and complete electrical connection.
< / p > < p > 3, insulator < / p > < p > insulators are often referred to as the base or mounting plate, its role is to make contact, in accordance with the need to arrange the location and spacing, and ensure the contact and contact between the parts between the shell and insulation performance.
< / p > < p > 4, accessories < / p > < p > the attachment points structure accessories and installation accessories.
< / p > < p > circular connector connection: < / p > < p > 1, in the process of the design of the connector, is through the thermal design of the connector to meet the requirement of the rated current, because when in contact with a current flows through, due to the presence of conductor resistance and contact resistance, contact will be fever;
< / p > < p > 2, when its heat exceeds a certain limit, will damage the insulation of the connector and the formation of contact with the surface coating of softening, breakdowns;
< / p > < p > 3, therefore, to limit the rated current, in fact to limit internal temperature rise shall not exceed the specified value of the design of the connector;
< / p > < p > 4, when the choice must pay attention to the question is: for multi-fiber connector, rated current must be derating use.
< / p > < p > < / p >
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