Transformer comprehensive protection device and its system

Abstract

The invention relates to the field of transformers, in particular to a transformer comprehensive protection device and a system thereof. The transformer comprehensive protection device includes a main body, a temperature sensing element, a transparent liquid level connecting pipe and a pressure measuring element; the main body is provided with an upper through hole and a lower through hole; the protective tube of the temperature sensing element passes through The lower through hole protrudes out of the main body; the liquid level communication pipe is located in the main body and one end of the liquid level communication pipe communicates with the upper through hole, and the other end communicates with the lower through hole ; The load cell communicates with the upper through hole. In the transformer comprehensive protection system, the upper through hole communicates with the first hole through a flange; the lower through hole communicates with the second hole through a flange. The transformer comprehensive protection device and system provided by the present invention, compared with the high probability of oil leakage when multiple monitoring devices are used in the prior art, reduces the number of holes opened on the oil tank, thereby reducing the probability of oil leakage.

Description

technical field [0001] The invention relates to the field of transformers, in particular to a transformer comprehensive protection device and a system thereof. Background technique [0002] An oil-immersed transformer includes a transformer body and an oil tank, wherein the transformer body is immersed in the oil in the oil tank. The oil-immersed transformer has good insulation and cooling performance. [0003] In the process of using an oil-immersed transformer, it is necessary to monitor the oil temperature, oil level and pressure in the oil tank in real time. In the related art, in order to monitor the oil temperature, oil level and pressure in the oil tank, the oil tank of the oil-immersed transformer is provided with a mechanical oil level gauge, a mechanical temperature gauge sensor, a pressure alarm valve and a vacuum pressure gauge. When installing these monitoring devices, it is necessary to open multiple through holes on the oil tank, and install a monitoring dev...

AI Technical Summary

Problems solved by technology

[0004] However, these monitoring devices are installed on the fuel tank through through holes, and oil leakage may occur at each through hole due to poor sealing, that is, to monitor the oil temperature, oil level and pressure in the fuel tank, a large number of These monitoring devices need to open more through holes on the fuel tank, and the probability of oil leakage is high

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