Circuit breaker capable of monitoring power line

• Main Authors: TAN WENXING, LIU RUIGANG
• Format: Patent
• Language: Chinese; English
• Published: 15.11.2022
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

A circuit breaker capable of monitoring a power line is characterized in that a power line monitoring circuit comprising a leakage current detection circuit and a state judgment circuit is arranged in the circuit breaker, and the on-off state of a shielding net wire of the power line is monitored. When leakage current occurs between the phase line and the zero line of the power line and the shielding net wire is broken, the circuit breaker can be prompted to automatically cut off the connection between the electric appliance and the power supply, thereby avoiding the occurrence of electric shock and fire hazard dangerous accidents. 一种能对电源线进行监控的断路器，该断路器内设有包括泄漏电流检测电路和状态判断电路的电源线监控电路，对电源线的屏蔽网导线的通、断状态进行监控。当电源线相、零线之间出现泄漏电流、屏蔽网导线断路时能促使断路器自动切断用电器与电源的连接，避免引发触电、火灾危险事故的发生。