Self unplugging power connector with load current sensing

摘要

A self unplugging power connector for charging mobile devices is provided. The self unplugging power connector includes electrical contact members for an electrical outlet, a release mechanism to remove the electrical contact members from the outlet and a current sensing circuit to activate the release mechanism when the circuit senses a current reduction.

主权项

1. A self unplugging power connector for electrically connecting a mobile device battery charger to a power outlet, comprising:
contacts for providing electrical connection to a power outlet; a release mechanism configured to remove the contacts from the power outlet when activated; a circuit configured to activate the release mechanism for unplugging the power connector from the power outlet when the circuit detects a current reduction from a first current value to a second current value; and a current adjustment knob with marked current ranges for selecting a current value to activate the unplugging of the power connector.