| 摘要 |
PURPOSE: A diaphragm-type bellows sensor is provided to achieve a simplified structure, while improving electrostatic capacity by using a medium having a high dielectric constant. CONSTITUTION: A diaphragm-type bellows sensor comprises a fixed electrode(110) having a plurality of bent pieces(112) arranged along the outer periphery of the fixed electrode; an upper housing(100) having an internal space for accommodating the fixed electrode, and which is injection molded to allow the bent pieces of the fixed electrode to be protruded from the outer periphery of the upper housing; a diaphragm(130); a lower housing(140) having a mounting portion(142) formed at the center of the lower housing so as to be coupled with the diaphragm, a connection pipe arranged at the rear surface of the mounting portion, and a through hole(148) penetrating through the mounting portion and the connection pipe; and a pin(150) which contacts the diaphragm and protrudes downward from the lower housing.
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