Three-phase intelligent disconnecting switch fuse group

Through the integration of a three-level cascade architecture and a multi-physical field coupling detection unit, a deep learning trigger judgment unit, an electromagnetic drive emergency processing mechanism, and an edge computing unit, various limitations of existing disconnector fuse groups in power systems are resolved, achieving efficient, reliable, and intelligent circuit protection.

CN120657672APending Publication Date: 2025-09-16BAODING TONGLI ELECTRIC EQUIP CO LTD
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Patent Information

Application Number
CN202511083675.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-04
Publication Date
2025-09-16

AI Technical Summary

Technical Problem

Existing disconnector fuse groups in power systems have problems such as long processing time, poor safety, single-layer protection mechanism, inability to meet efficient operation, low stability and reliability, and low intelligence level.

Method used

The emergency protection circuit device adopts a three-level cascade architecture, combined with a multi-physical field coupling detection unit, a deep learning trigger judgment unit and an electromagnetic drive emergency processing mechanism, integrated with a fiber optic current sensor and a millimeter wave radar temperature measurement module, and adopts a dual-melt parallel structure of nanocrystalline copper alloy and low-melting-point tin-bismuth alloy. Combined with an edge computing unit and a multi-device collaborative early warning unit, it constructs a modular box structure and an efficient thermal management network to achieve precise monitoring, rapid response and intelligent operation.

Benefits of technology

It significantly improves the efficiency and reliability of circuit protection, shortens fault handling time, improves system stability and safety, enhances the overload protection performance and installation convenience of the equipment, expands the fault monitoring range, forms a regional protection network, and ensures stable operation of the equipment under high load.

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Abstract

The invention discloses a three-phase intelligent disconnecting switch fuse group, which relates to the technical field of circuit protection and comprises an emergency protection circuit device, a three-phase disconnecting switch module, a fuse module, an intelligent control module and a base. According to the invention, the efficiency and reliability of circuit protection can be significantly improved through a three-stage cascade architecture, the optical fiber current sensor and the millimeter wave radar temperature measurement module are integrated by using the multi-physics field coupling detection unit, accurate real-time monitoring of current, temperature and arc characteristics is realized, the sensitivity and accuracy of fault detection are enhanced, and the fault detection efficiency and reliability are improved. The deep learning trigger judgment unit adopts a CNN-LSTM hybrid network, dynamically optimizes a protection threshold and effectively deals with a complex and changeable circuit environment, and the electromagnetic driving emergency processing mechanism adopts a strong magnetic field electromagnet driving technology, so that quick response and efficient execution are ensured, the fault processing time is further shortened, the stability and safety of the system are improved, and the reliability of the system is improved. And the effect of emergency circuit protection is achieved.
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