VENTILATION SYSTEM OF TRANSFORMER SOUND INSULATION WALL

摘要

PURPOSE:To sufficiently conduct ventilation and to improve a sound insulation performance by a method wherein a sound insulation material is installed around pipes at the opening of a sound insulation wall for oil feeding pipes, etc. and this opening is used as an air vent utilized jointly for an air inlet and an air outlet. CONSTITUTION:An opening wherein an oil feeding pipe 5 for a cooler 3 and a connection pipe 6 to a condenser bather 4 are penetrated is installed at a sound insulation wall 1 which contains a transformer body 2 in it. A sound insulation material 15 is arranged around pipes 5, 6 penetrating in this opening and a circular cover 16 and semi circular drain board 17 are installed thereat to prevent rain coming into there. It is made to be used concurrently as an air vent and can be utilized as an air inlet and an air outlet. A part of the oil feeding pipe 5 and the connection pipe 6 required for ventilation can be made to have a ventilation structre. In this way, sound insulation performance can be improved and also ventilation can be sufficiently conducted.