Noise reduction device for transformer

Abstract

The invention relates to the technical field of noise reduction for a transformer, and discloses a noise reduction device for the transformer, through which noises produced during operation of the transformer can be effectively reduced. The noise reduction device for the transformer comprises two sound insulation layers, a sound insulation reinforcing plate, a middle sound insulation plate, an upper sound insulation plate, a plurality of T-shaped sound absorption interlayers, intermediate sound insulation plates, outer sound insulation plates, sound baffling plates shaped like broken lines, asound absorption plate, and a plurality of oval sound absorption layers, wherein the two ends of the sound insulation reinforcing plate are respectively fixed on the two sound insulation layers; the two ends of the middle sound insulation plate are respectively fixed on the two sound insulation layers, and the middle sound insulation plate is located above the sound insulation reinforcing plate; the two ends of the upper sound insulation plate are respectively fixed on the two sound insulation layers, and the upper sound insulation plate is located above the middle sound insulation plate; theT-shaped sound absorption interlayers are arranged between the middle sound insulation plate and the upper sound insulation plate; the intermediate sound insulation plates are adhered to the outer walls of the sound insulation layers; the outer sound insulation plates are connected with the intermediate sound insulation plates; the sound baffling plates shaped like the broken lines are arranged between the intermediate sound insulation plates and the outer sound insulation plates; the sound absorption plate is fixed on an upper end surface formed by the intermediate sound insulation plates andthe outer sound insulation plates; and the oval sound absorption layers are embedded in the sound absorption plate and arranged in sequence. The noise reduction device for the transformer provided bythe invention has the advantages of high simplicity in structure, low cost, and high easiness in mounting and dismounting.

Description

technical field [0001] The invention relates to the technical field of transformer noise reduction, in particular to a transformer noise reduction device. Background technique [0002] In recent years, with the continuous improvement of people's living standards, the electricity consumption of residents has increased rapidly, and the number of power transformers in residential areas has increased year by year. The power transformer is a kind of infrastructure in the power system. Due to the limitation of its working principle, the transformer will generate certain noise during operation, which will seriously affect the daily life of residents around the transformer. [0003] At present, there are some auxiliary noise reduction measures for the problem of transformer noise, but these auxiliary noise reduction measures are only suitable for medium and high frequency noise control, and the noise reduction effect is poor for transformers dominated by low frequency noise. Theref...

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