Spring piece for sensor

Abstract

The invention discloses a spring piece for a sensor. The spring piece is bent into a W shape which is provided with an upper flat plate and a lower flat plate and is integrally formed by connecting the end part of the upper flat plate, the end part of the lower flat plate, and folded plates, and a rectangular through hole alpha is processed on each folded plate. Under the condition of relatively large displacement ratio, the W-shaped spring piece with the structure has high linearity; the spring piece has a reasonable design, high sensitivity, low linearity error, high antijamming capability and stability, wide application range and the like and is easy to calibrate, and can be used on a double-cantilever large-deformation strain measurement sensor.

Description

technical field

[0001] The invention belongs to the technical field of sensors for measuring relative displacement, and in particular relates to a spring sheet used on a strain measuring sensor. Background technique

[0002] In the field of engineering, it is often necessary to study the large deformation of materials and structures. For example, when studying the mechanical properties of engineering materials, when the material yields, its relative deformation is relatively large. At present, the commonly used measurement method is to use plastic strain gauges directly Pasted on the test piece, due to the influence of many factors such as the pasting technology, the performance of the strain gauge, the performance of the glue used for the patch, the ambient temperature and the ambient humidity, the measurement effect is often very unsatisfactory. In addition, when studying the mechanical properties of masonry structures, it is necessary to measure the deformation of the blo...

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