Multi-time toughened glass surface stress instrument

Abstract

The invention discloses a multi-time toughened glass surface stress instrument. The multi-time toughened glass surface stress instrument is provided with an outer framework, wherein a light emission unit, a light refraction element and an imaging unit, which are sequentially arranged along a light path in the outer framework, the light emission unit comprises at least two light sources and at least two light source height adjusting apparatuses, and the light sources are respectively fixed on the light source height adjusting apparatuses; the light refraction element comprises at least two refraction prisms, the refraction prisms are respectively arranged in the light emission direction of the light source and used for storing glass to be detected; the imaging unit comprises at least two imaging lens barrels, at least two imaging lens barrel angle adjusting mechanism and at least two image sensors, the front end of each imaging lens barrel is respectively arranged in the light refraction direction of the refraction prism, and the rear end of each imaging lens barrel is respectively provided with an image sensor. The stress instrument can simultaneously and precisely read a primarily-enhanced interference fringe and a multi-time-enhanced interference fringe by virtue of a way of a multi-light-path system, so that the measurement precision and efficiency can be greatly improved, and the market application prospect is wide.

Description

technical field [0001] The invention relates to a glass stress detection device, in particular to a multi-time tempered glass surface stress meter. Background technique [0002] We know that tempered glass, also known as strengthened glass, is a kind of prestressed glass, which usually uses chemical or physical methods to form compressive stress on the surface of the glass. Glass is widely used in building doors and windows, glass curtain walls, electronic instruments and other fields. However, there will be a large number of micro-cracks on the edge of tempered glass after cutting, which will reduce the strength of the glass. Especially with the vigorous development of the touch industry, the specification requirements of the touch products themselves are becoming increasingly strict. Since the touch panel uses external pressure to sense the operation of the components to achieve the use effect, the mechanical pressure resistance of the product is The important specificat...

AI Technical Summary

Problems solved by technology

When the strain gauge is used to detect the surface stress of secondary tempered glass, although all the stripes can be identified through the wide-angle lens set at the front of the eyepiece, the position of the secondary stripes is still difficult to read because the secondary strengthening stripes will be obviously thicker after zooming in. Take, only one estimate can be taken, which affects the measurement accuracy

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