执行器模块电动头模块-力米托克

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Special sensors can detect cracks in glass curtain wall

Special sensors can detect cracks in glass curtain wall

Source:本站    Author:管理员    Addtime:2014/11/8 10:37:46    Hits:909

According to the website of the Fraunhofer Institute in Germany, a special sensor system developed by scientists can detect small cracks in the glass curtain wall and warn of the imminent danger of glass breaking. 
Glass curtain wall embodies the best combination of modern architecture and aesthetic structure design. However, broken glass on the glass curtain wall also endangers pedestrians from time to time, and so far, the relevant safety checks have generally been judged only by the sound of knocking on the glass.Such tests can only confirm glass that has formed an entire crack, not warn of imminent danger. 

Now, the Fraunhofer silicate Institute in W ü rzburg, together with industry partners, has developed a sensor that can identify 5 mm long microcracks and issue maintenance tips in time before the glass actually breaks. Dr. Bernhard Brenner, who led the study, said they installed multiple piezoelectric sensor actuator modules one meter apart on a piece of glass, and one sensor actuator module produced ultrasound. Other sensors receive this registered ultrasound. If the ultrasonic signal remains unchanged, the glass is intact; if the signal changes, it indicates a crack in the glass.

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