Protection circuit, protection device, earth leakage protection control circuit and earth leakage protection switch

• Main Authors: CHEN QIJUN, HU WENTAO, CHEN XUDA
• Format: Patent
• Language: Chinese; English
• Published: 14.10.2022
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The embodiment of the utility model provides a protection circuit, a protection device, an earth leakage protection control circuit and an earth leakage protection switch, which are applied to the technical field of earth leakage protection and are used for solving the problem that the existing earth leakage protection switch cannot be quickly powered off after a load and a power supply are reversely connected, so that circuit devices are damaged. According to the protection circuit, a switch control module is arranged between a tripping module and an electric leakage detection control module of an electric leakage protection switch; wherein the first end of the tripping module is connected with the first connecting port, the second end of the tripping module is connected with the second connecting port, the second connecting port and the second end of the tripping module are both connected with the first end of the switch control module, and the switch control module controls the on-off state of the switch c