Intelligent door lock system for secondary screen cabinet of transformer substation

The intelligent door lock system automatically controls the locking and unlocking of the secondary screen cabinet door lock of the substation, and intelligently manages it according to the working status and location of the screen cabinet, solving the problems of low efficiency and insufficient safety in traditional mechanical lock management, and improving safety and operation and maintenance efficiency.

CN119694029APending Publication Date: 2025-03-25MAINTENANCE BRANCH OF STATE GRID HEBEI ELECTRIC POWER +1
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Patent Information

Application Number
CN202411819386.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The traditional mechanical lock management of secondary screen cabinets in substations is low, prone to errors and insufficient safety, resulting in low operation and maintenance efficiency and risk of safe operation of the power grid.

Method used

Design an intelligent door lock system, including a control host, bus, programmable controller, A/D conversion module, smart door lock and smart door lock management platform, automatically control the locking and unlocking of door locks through algorithm logic, and intelligent management is carried out according to the working status and position of the screen cabinet.

Benefits of technology

Through intelligent management, the risks of misoperation and unauthorized access are reduced, the safety and operation and maintenance efficiency of secondary screen cabinets in the substation are improved, and the needs of manual monitoring and operation are reduced.

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Abstract

The invention relates to the field of power systems, in particular to an intelligent door lock system for a secondary screen cabinet of a transformer substation. Comprising a control host for receiving and processing a door lock control instruction, a bus, a programmable controller, an A / D conversion module, an intelligent door lock and an intelligent door lock management platform, an intelligent door lock management platform is arranged in the control host, algorithm logic is arranged in the intelligent door lock management platform, and locking and unlocking of a door lock are automatically controlled according to the working state and position of the screen cabinet; one end of the bus is connected with the control host, the other end is connected with the programmable controller, and the bus is used for transmitting control signals; the programmable controller receives an instruction of the control host through a bus and is connected with the A / D conversion module; the A / D conversion module is used for converting analog signals of the programmable controller into digital signals, and the intelligent door lock is connected with the A / D conversion module and used for controlling opening and closing of the door lock according to the digital signals of the A / D conversion module. The system is high in management efficiency, is not liable to make mistakes, and is high in safety.
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