A new type of substation SF6 electrical equipment inflation device and a method for using the same

By designing clamping and sealing structures that adapt to different specifications, the problems of cumbersome management of SF6 electrical equipment filling ports and insufficient air tightness in substations have been solved, thereby improving filling efficiency and safety.

CN119244845BActive Publication Date: 2025-11-04STATE GRID FUJIAN ELECTRIC POWER CO LTD +1
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Patent Information

Application Number
CN202411614201.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-11-04
Estimated Expiration
2044-11-13

AI Technical Summary

Technical Problem

The SF6 electrical equipment produced by different manufacturers in substations has a wide variety of air inlets with different sizes, which leads to complicated management of air inlets, low air inlet efficiency, failure to meet air tightness requirements, and potential safety hazards.

Method used

A novel air-filling device for SF6 electrical equipment in substations was designed, comprising a clamping module, a sealing module, and an air-filling auxiliary module. The device adapts to different specifications of air-filling ports through adjustable clamping and sealing structures to ensure air tightness, and air-filling is achieved by opening the air-filling port pin of the equipment pipeline through a push rod joint.

Benefits of technology

It achieves compatibility with different sized air inlets, improves inflation efficiency, ensures airtightness, and avoids air leakage and safety hazards during inflation.

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Abstract

The application relates to a novel transformer SF6 electrical equipment inflation device and a use method thereof, which comprises a gas cylinder, a clamping module, a device pipeline check valve connected to one end of the clamping module, a sealing module connected to the other end of the clamping module, and an inflation auxiliary module connected to the sealing module; a device pipeline inflation port is arranged in the device pipeline check valve, and a device pipeline inflation port thimble is arranged in the device pipeline inflation port; the clamping module comprises a fixed joint, a plurality of adjusting screws are circumferentially arranged on the fixed joint, a driving clamping structure is arranged in the fixed joint, and the driving clamping structure clamps the connecting thread outside the device pipeline inflation port through the adjusting screws; the gas cylinder is communicated with the inflation auxiliary module through an inflation pipe, can adapt to different specifications of inflation ports, and can avoid the problems of low inflation efficiency and insufficient air tightness during inflation.
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