Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances

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United States of America Patent

PATENT NO 12206231
APP PUB NO 20230307901A1
SERIAL NO

17706138

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Abstract

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A leakage current detection and interruption device includes a switch module for controlling electrical connection of power supply lines between input and output ends; a leakage current detection module, including first and second leakage current detection lines respectively covering the first and second power supply lines, to detect leakage current thereon and to generate respective first and second leakage signals in response thereto; a signal processing module, coupled to the leakage current detection module to receive the first and/or second leakage signals and to generate a leakage fault signal in response thereto; and a trigger module, coupled to the switch module and the signal processing module, to receive the leakage fault signal and in response thereto, to drive the switch module to disconnect the electrical connection to the output end. The device can detect current leaks on the two power supply lines and is simple, low-cost and reliable.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Long Suzhou, CN 393 1067
Li, Chengli Suzhou, CN 76 520
Yue, Guolan Suzhou, CN 17 97

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