Transformer oil acetylene detection method and system based on click chemistry

By generating products through a click chemical reaction in an ionic liquid phase, releasing hydrogen ions, and calculating the signal ratio, the problems of low sensitivity and poor stability in acetylene detection are solved, achieving highly sensitive and accurate detection of acetylene in transformer oil.

CN122016947BActive Publication Date: 2026-06-23WUHAN HAOMAI OPTOELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202610477775.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-04-13
Publication Date
2026-06-23
Estimated Expiration
2046-04-13

AI Technical Summary

Technical Problem

Among existing degassing-free detection methods, acetylene detection suffers from low sensitivity and poor stability, failing to provide stable and reliable quantitative measurements. Furthermore, measurement errors caused by environmental fluctuations and reagent consumption during long-term operation result in low accuracy and precision.

Method used

A click chemistry-based method for detecting acetylene in transformer oil without degassing was adopted. By adding measuring reagents and internal standard reagents to an ionic liquid phase, first and second products were generated, which triggered cascade chemical amplification reactions to release hydrogen ions. The change in conductivity was measured, and the signal ratio was calculated to determine the acetylene concentration.

Benefits of technology

It achieves highly sensitive detection of extremely low concentrations of acetylene, overcomes the problem of weak signal, and improves anti-interference ability and long-term stability through internal standard ratio logic, ensuring the accuracy and consistency of detection results.

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Abstract

The application provides a transformer oil acetylene free degassing detection method and system based on click chemistry, relates to the technical field of gas detection and analysis, and utilizes a first product generated through a first click chemistry reaction and a second product generated through a second click chemistry reaction as catalysts to trigger subsequent same cascade chemical amplification reactions, so that a single product molecule can catalyze the hydrolysis of a large amount of acid-sensitive substrates, a significant and measurable change in the conductivity of a mixed solution is realized, precise detection of extremely low concentration acetylene is realized, meanwhile, a second click chemistry reaction of a synchronous internal standard reagent and a trigger agent exists independently of the process of acetylene concentration detection, calculation of acetylene detection is performed, the final output is not a single first electric signal value, but a ratio of the first electric signal value and a second electric signal value, a signal ratio is obtained, interference factors are offset, online self-correction of acetylene detection is realized, and the high consistency and accuracy of detection results under different times and different batches of reagents are ensured.
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