| 摘要 |
PURPOSE: To electronically measure the displacement of an object larger than the displacement measurable with a strain gauge by providing a spiral coil-like conductor which can provide a wide dynamic range. CONSTITUTION: An electronic (R) converter is composed of a pair of insulated copper wires 10 wound around a mandrel 11 having an appropriate size as two one-layer coils. The coils are sunk in a silastic solution contained in a container 12 and the converter is taken out from the container 12 after silastic (R) are hardened 13. Then insulated wires 15 are respectively attached to one of the end sections of the spiral bodies. In addition, heat-shrinkable sleeves 14 are fitted to the end sections of the hardened thyra-sticks 14 by heat shrinkage. Moreover, eyelets, such as eyelets 15, etc., are buried in the end sections of the converter. Because of the sleeves 14, the end sections of the converter become hard ends and, therefore, only the sensitive section of the converter indicated as the section C-C in the figure can be elongated. |
