Automatic transfer operating device and automatic transfer switch using the same

Abstract

The invention discloses an automatic transfer operation device and an automatic transfer switch using the device. The automatic conversion operation device includes a cam, the outer edge of the cam is provided with a protrusion, the motor limit switch is triggered by the protrusion, and the cam is provided with a track on its side, and the cam drives the first crank and the second crank of the automatic conversion operation device with the rotation of the motor. The follower pin of the second zone handle moves in the track, and controls the closing and opening states and sequences of the first and second switches in an interlocking manner via the first crank and the second crank respectively. The device does not need a separate mechanical interlocking device, uses a small number of parts, and has a short dimensional chain. Its cam track has an overtravel design that reduces the positional accuracy of the limit switch. Its track design can realize two opening and closing sequences after the first switch is opened and the second switch is closed again, and the first switch is opened and the second switch is closed at the same time. The track shape can be further optimized according to the closing force, so that the power provided by the motor can be fully utilized.

Description

technical field [0001] The present invention relates to an automatic transfer operation device, and more particularly, to an automatic transfer switch for dual power supply equipment and dual power supply equipment including the same. Background technique [0002] Some important occasions (the most common are firefighting, elevators, monitoring, production) usually require dual power supplies to ensure continuous power supply. The dual power supply needs a device controlled by a microprocessor for starting and switching between grid power and grid power or grid power and generator power in the grid system, that is, a transfer switch to ensure continuous power supply. The transfer switch is mainly divided into two types: PC-level dual power supply (integral type) and CB-level dual power supply (double circuit breaker type). It does not have a protection function, but it has a high tolerance and connection capacity, which can ensure the safety of the switch itself and will no...

AI Technical Summary

Problems solved by technology

As a result, the structure is cumbersome, the size chain is long, and the final accuracy is difficult to guarantee

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