Opening and closing action structure of a miniature circuit breaker controller

Abstract

The invention belongs to the electric appliance switch technical field and relates to a switching-off and switching-on actuating structure of a miniature circuit breaker controller. The switching-off and switching-on actuating structure of the miniature circuit breaker controller of the invention includes a rotating wheel which is in linkage with the switching-off and switching-on mechanism of a circuit breaker, a tripping rod which extends outwards to protrude into the circuit breaker, a toggle mechanism which is provided with a switching-on assembly which is in transmission matching with the rotating wheel to drive the rotating wheel to drive the circuit breaker to perform switching on, and a switching-off assembly which is in transmission matching with the tripping rod so as to drive the tripping rod to rotate to trigger a tripping mechanism in the circuit breaker to make the circuit breaker perform switching off, and a transmission mechanism which transfers the power of a power device to the toggle mechanism so as to drive the toggle mechanism to act. The switching-on assembly drives the switching-off and switching-on mechanism of the circuit breaker so as to realize switching-on; the switching-off assembly triggers the tripping mechanism of the circuit breaker to complete switching-off; the tripping rod triggers the tripping mechanism, so that the circuit breaker can trip fast and realize switching off. With the switching-off and switching-on actuating structure of the miniature circuit breaker controller adopted, switching-off speed is extremely high, and no electric arcs are generated in a switching-off process, and timeliness and safety of switching off can be improved.

Description

technical field [0001] The invention relates to the technical field of electrical switches, in particular to an opening structure of a miniature circuit breaker control device. Background technique [0002] The miniature circuit breaker is the most widely used terminal protection device in the building electrical terminal power distribution device. The miniature circuit breaker is composed of opening and closing mechanism, contacts, protection devices (various tripping mechanisms and current heating components), arc extinguishing system, etc. [0003] Its working principle is: use the protection device (tripping mechanism) and the current heating component to realize overload and short circuit protection. When the current passing through the coil in the current heating component is greater than the set current value, the moving iron core of the electromagnetic tripping mechanism moves , Push the striking lever to hit the operating mechanism, unlock the operating mechanism, ...

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the shortcomings of the miniature circuit breaker control device in the prior art to control the slow opening speed of the miniature circuit breaker, easy to generate arcs, and low safety, thereby providing a fast opening speed and high opening speed. A miniature circuit breaker control device opening structure with no arc generation in the process and high safety

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