Mechanism for automatically switching operating and test positions of circuit breaker

• Main Authors: ZHU SHIJIE, GU XIAOHE, LI KUN, ZHAO ZHANGSHUN
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2011
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; RELAYS; SELECTORS

The utility model discloses a mechanism for automatically switching operating and test positions of a circuit breaker. A motor (5) is fixed on a chassis (3) of the circuit breaker; a transmission shaft (2) is fixed on the motor (5) and connected with a lead screw (4) of the circuit breaker through a meshing gear (1); a position transducer (6) and a controller (7) are also provided; a sampling point (8) of the position transducer (6) is fixed together with a movable part (11) of the circuit breaker and can move along with the movement of the circuit breaker; an operating position point (10), a test position point (9) and the sampling point (8) of the position transducer (6) are electrically connected with a contact point of the controller (7) respectively; the motor (5) is electrically connected with the contact point of the controller (7); and the controller (7) receives a position signal of the circuit breaker and controls both the operating information and operating direction of the motor (5). The control m