Current leakage protection circuit, power socket and electronic device using same

An electronic device, comprising a shell, a driving circuit, and a current leakage protection circuit, the current leakage protection circuit comprising:

• a first input terminal and a second input terminal for receiving a power voltage from a power supply;
• a first output terminal and a second output terminal connected to the driving circuit;
• a first switch circuit connected between the first input terminal and the first output terminal;
• a second switch circuit connected between the second input terminal and the second output terminal;
• a current leakage detection terminal connected to the shell, and configured for detecting a current leakage of the electronic device;
• and
• a control circuit connected to the first switch circuit and the second switch circuit, the control circuit being configured for providing a control signal to control the first switch circuit to switch off a first connection between the first input terminal and the first output terminal and control the second switch circuit to switch off a second connection between the second input terminal and the second output terminal when the current leakage detection terminal detects the current leakage of the electronic device;
• wherein the current leakage detection terminal detects the current leakage of the electronic device, the leakage current provides power to the control circuit to enable the control circuit to function, and wherein the electronic leakage protection circuit further comprises a rectifying circuit for converting the power voltage into a direct current (DC) current, wherein the DC current is configured to provide power to the control circuit to maintain an operation of the control circuit after the leakage current is removed.

A power socket, comprising a current leakage protection circuit, the current leakage protection circuit comprising:

• a first input terminal and a second input terminal for receiving a power voltage from a power supply;
• a first switch circuit connected between the first input terminal and a first output terminal;
• a second switch circuit connected between the second input terminal and a second output terminal;
• a current leakage detection terminal connected to an electronic device and configured for detecting a current leakage of the electronic device;
• and
• a control circuit connected to the first switch circuit and the second switch circuit, the control circuit being configured for providing a control signal to control the first switch circuit to switch off a first connection between the first input terminal and the first output terminal and control the second switch circuit to switch off a second connection between the second input terminal and the second output terminal when the current leakage detection terminal detects the current leakage of the electronic device;
• wherein the first output terminal, the second alternating-current (AC) output terminal, and the current leakage detection terminal respectively serve as a live wire terminal, a neutral wire terminal and a ground terminal of the power socket;
• wherein the leakage current provides power to the control circuit to enable the control circuit to function, and wherein the electronic leakage protection circuit further comprises a rectifying circuit for converting the power voltage into a direct current (DC) current, wherein the DC current is configured to provide power to the control circuit to maintain an operation of the control circuit after the leakage current is removed.