APPARATUS FOR SENSING PRESSURE OF INSULATION MEDIUM FOR POWER FACILITY

摘要

PURPOSE: An apparatus for sensing pressure of insulation medium for power facility is provided to achieve an improved reliability by preventing thermal deformation of the diaphragm. CONSTITUTION: An apparatus(10) comprises a diaphragm(21) shaped as a cup so as to accommodate an insulation medium(4) inside thereof and which is elastically deformable along an axial direction; a housing(11) having a space(13) for accommodating the diaphragm and which fixes and supports the aperture of the diaphragm and which is fixed to a receptacle(1) of the insulation medium; a sliding rod(41) one end of which contacts the diaphragm and the other end of which is protruded from the housing; and a compression coil spring(51) for applying elastic force to the sliding rod in such a manner that the sliding rod is pressed toward the diaphragm in response to the pressure of the insulation medium. The sliding rod is coupled to the housing to be slidable along the axial direction in response to the elastic deformation of the diaphragm caused by the pressure change of the insulation medium.