A misoperation prevention interlocking device for cable room door of ring network switch cabinet

The dual interlocking structure of electromagnet and elastic locking component solves the problem of insufficient reliability of the cable compartment door of the ring network switchgear, achieving high-reliability safety protection, and is suitable for various models of ring network switchgear.

CN224555030UActive Publication Date: 2026-07-24INNER MONGOLIA DEGUANG ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
INNER MONGOLIA DEGUANG ELECTRIC CO LTD
Filing Date
2025-06-28
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Traditional anti-misoperation devices for cable compartment doors of ring network switchgear suffer from reliability issues due to the susceptibility of mechanical locks to misoperation or electrical interlock signal failures, making it difficult to meet the high reliability requirements for the safety protection of power equipment.

Method used

The door employs a dual interlocking structure combining an electromagnet and an elastic locking component. The electromagnet provides electrical interlocking, while the elastic locking component provides mechanical interlocking, forming a dual protection mechanism to ensure that the door can still be physically restricted from being opened accidentally in the event of an electrical failure.

Benefits of technology

It significantly improves the safety protection performance of the cable compartment door of the ring network switchgear, reduces the risk of misoperation, has a simple operation process and high device reliability, and is suitable for various models of ring network switchgear.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224555030U_ABST
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Abstract

The utility model discloses a kind of looped network switchgear cable chamber door anti-misoperation interlocking device, it is related to electric power equipment technical field, including cable chamber closed door, door lock handle is rotationally connected in the front side of cable chamber closed door, electromagnet is fixedly connected in the rear side of cable chamber closed door, set in the elastic locking assembly of door lock handle rear side, the elastic locking assembly includes spacing cross bar.The utility model is combined with the mechanical interlocking of elastic locking assembly by the electrical interlocking of electromagnet, forms double protection mechanism.Electrical interlocking real-time monitoring switchgear live state, mechanical interlocking provides physical limit, even if electrical part appears failure, mechanical structure still can guarantee door body cannot be opened by mistake, greatly reduce the risk of misoperation, the cooperation of reset spring and magnetic attraction structure, ensure that device is stable in unlocking and locking process Action, and can automatically restore to locking state, reduce manual intervention, improve the reliability of device.
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