Pressure detection device

Provided is a pressure detection device capable of easy installation and removal of a sensor in/from a diaphragm, measurement of a pressure in a wide rage, and manufacture at a low cost while reducing a size. A sensor part (A) has: a magnet (12) being applied with a load produced by pressing of a di...

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Hauptverfasser: KANEKO MITSURU, KITANI AKI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Provided is a pressure detection device capable of easy installation and removal of a sensor in/from a diaphragm, measurement of a pressure in a wide rage, and manufacture at a low cost while reducing a size. A sensor part (A) has: a magnet (12) being applied with a load produced by pressing of a diaphragm (8); and a magnet cap (11) covering the magnet (12). The diaphragm (8) has an intra-diaphragm magnetic body (9) buried therein. The intra-diaphragm magnetic body (9) has a protrusion part protruding from the diaphragm (8) so as to be in contact with the magnet (12). The magnet cap (11) has an opening part enabling the protrusion part of the intra-diaphragm magnetic body (9) and the magnet (12) to be joined together.