Automatic Dissolved Gas Analyzer in Insulating Oil

Abstract

The invention relates to an automatic analyzer for dissolved gas in insulating oil. The gas analyzer comprises a degassing mechanism, an autoinjection mechanism, a chromatogram mechanism and a circuit control part, wherein the autoinjection mechanism comprises a degassing disc, a degassing motor, a background light source and a camera, the degassing motor drives the degassing disc to rotate, N vertical syringe mounting through holes are uniformly arranged in the circumference of the upper surface of the degassing disc, and the background light source and the camera are used for detecting the volume of insulating oil in syringes; the autoinjection mechanism comprises a gas feeding motor, a belt, a gas feeding head support, a gas feeding head and a push rod motor, the gas feeding motor drives the gas feeding head support to move up and down via the belt, and the gas feeding head is mounted on the gas feeding head support; and when the degassing disc rotates to a set position, the upper end of a to-be-detected syringe on the degassing disc just corresponds to the gas feeding head, the lower end of the to-be-detected syringe just corresponds to the upper end part of a push rod of the push rod motor, and a hollow syringe needle in the gas feeding head is connected with the chromatogram mechanism. The automatic analyzer has a high automation degree and small errors.

Description

technical field [0001] The invention relates to a gas analyzer, in particular to an automatic analyzer for dissolved gas in insulating oil. Background technique [0002] As the pace of my country's industrial and modernization construction increases year by year, the demand for electricity is also increasing day by day. More and more high-voltage substations are put into use. In order to ensure the safety and smooth operation of substations, in addition to daily inspections and maintenance, transformer oil is regularly extracted Performing gas composition analysis is essential. The detection method for transformer insulating oil is mainly gas chromatography. After the insulating oil is taken back from the site, a certain amount of balance gas is added, and then put into an oscillating device for degassing. After the degassing is completed, the degassed mixed gas is sent to the gas chromatographic equipment for component separation and detection, and the operation status of t...

AI Technical Summary

Problems solved by technology

[0003] At present, none of the insulating oil chromatographic analysis equipment on the market can achieve fully automatic analysis, and can only manually add balance gas, manually put into the oscillation equipment for degassing, and manually inject samples into the chromatogram, etc.

Because a lot of work needs to be done manually, it not only causes high labor intensity, but also has high requirements for the operator’s technical skills. A little carelessness will result in low repeatability and poor accuracy of the analysis results, and even operation failure. , the problem of needing a second oil extraction for detection

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