Ring main unit isolation switch opening and closing running-in device

By designing an automated ring main unit disconnector switch break-in device, which utilizes a motor and universal coupling to achieve automated opening and closing operations, the problems of low efficiency and poor safety of manual operation are solved, and efficient and safe opening and closing monitoring and maintenance are realized.

CN224217413UActive Publication Date: 2026-05-08HUBEI WANGAN TECH
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Patent Information

Application Number
CN202520734833.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-05-08
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

The opening and closing operations of the disconnecting switches in the existing ring main unit rely on manual operation, which has problems such as low efficiency, poor safety, easy error, high labor intensity and unstable running-in effect.

Method used

An automated circuit breaker break-in device was designed, comprising a frame, a drive module, a control module, a human-machine interaction module, and a safety protection module. It utilizes a motor, a universal coupling, and an electromagnet to achieve automated circuit breaker operation, and monitors the number of circuit break-ins and current overloads through counters and sensors, while also providing safety protection functions.

Benefits of technology

It improves the efficiency and safety of disconnecting switches, reduces manual operation time and costs, and enables real-time monitoring and maintenance support of equipment status.

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Abstract

The utility model relates to a ring main unit disconnecting switch opening and closing running-in device which comprises a rack, one side of the rack is provided with an opening, the opening end is provided with a connecting part connected with a disconnecting switch, the rack is provided with a driving module and a control module, the driving module comprises a motor, and an output shaft of the motor faces the opening end and is provided with a universal coupling. The universal coupling is used for being connected to a handle shaft of the isolating switch; the control module comprises a controller and a counter, the controller is in signal connection with the counter and the motor, and the controller is used for controlling starting, stopping and steering of the motor and controlling the number of times of opening and closing; according to the utility model, the opening and closing running-in efficiency of the isolating switch is obviously improved, and the time and cost of manual operation are reduced.
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