Stress composite sensor and stress measuring device using the same for structure
AssigneeJapan Electronics Industry, Limited
InventorNagao Miyazaki
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Abstract
A stress composite sensor has a plurality of sensor elements each including a base plate and a stress sensor disposed thereon for delivering stress signals indicating stress in one direction alone. The sensor elements have the base plates fixed together in a common plane to form a sensor segment wherein the stress sensors are provided at intervals to provide signals indicating stress in the one direction. The stress sensors optionally each include strain gauges and in an embodiment include four strain gauges. The sensor elements are arranged in rows in an embodiment and are optionally integrally fixed together.
Claims13
A stress measuring device including a stress composite sensor for measuring stress in a structure, comprising:
- the stress composite sensor including a plurality of sensor elements each including:
- a base plate;
- a stress sensor disposed thereon for delivering stress signals indicating stress in one direction alone;
- and
- said sensor elements having said base plates fixed together in a common plane to form a sensor segment wherein said stress sensors are provided at intervals to provide signals indicating stress in said one direction;
- a member in said structure defining a hole formed in a stress concentration region of said structure;
- and
- said stress selectively installed in said hole, the arranged being such that one of an X-axis, X- and Z-axis or X-, Y- and Z-axis direction shearing strains produced in the structure are selectively measurable.
Dependencies are inferred from the claim text.