Latching mechanism and method for high-speed switch

Abstract

The invention provides a latching mechanism and a latching method for a high-speed switch. The latching mechanism is provided with one set of insulating device; the lower side of the insulating device is connected with a guide rod movement device and a lock hook device; a coil is embedded into an insulating embedding plate; the insulating embedding plate is fixedly connected with an insulating cover plate; the insulating cover plate is internally connected with an embedded guide sleeve through a key; one end of the guide sleeve is inserted into the insulating embedding plate; a guide rod is arranged in the guide sleeve; one end of the guide rod is fixedly connected with a repulsive force disc through a thread and a limiting disc is arranged at the other end of the guide rod; a compression spring is mounted between the guide rod and the guide sleeve; and a lock hook shaft and a lock hook are mounted on a supporting plate. When the inner side of the lock hook shaft is collided by a lock tongue, the lock hook rotates and a convex transverse beam of the guide rod falls into a gap of the lock hook, so that the lock tongue is locked; and the coil is conducted to impulse current so that the repulsive force disc generates an electromagnetic repulsive force to move rapidly, and the convex transverse beam of the guide rod is driven to be pulled out from the lock hook gap and the lock tongue is unlocked. The latching mechanism provided by the invention is compact in structure, reliable in locking and easy to release; and a direct driving form is adopted in a whole lock latch unlocking and locking process, thus having extremely high rapidness.

Description

technical field [0001] The invention relates to a fast switch locking mechanism and method, which can be widely used in switching electrical equipment such as isolating switches and circuit breakers that require high speed. Background technique [0002] Switching apparatus is an important protection device in the power system including the ship's integrated electric propulsion system, which has an extremely important impact on the safety performance of the system, especially in the field of high-voltage electrical appliances. The shorter the breaking and closing time of switching electrical equipment such as circuit breakers and isolating switches, the stronger the protection effect on various electrical equipment in the power grid. In the case of accidental current overload, the normal operation of various equipment will be affected. Small. For switching appliances, obviously, the shorter the breaking and closing time, for example, the breaking or closing action is require...

AI Technical Summary

Problems solved by technology

However, under the current situation, the locking mechanism that restricts the rapid performance of switching electrical appliances has not been well resolved, and has become the main obstacle restricting the development of switching electrical equipment to high speed.

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