Acoustic sensor with diaphragm made of fiber composite material
A technology of fiber composite materials and acoustic sensors, applied in the field of acoustic sensors, to achieve the effects of low manufacturing cost, low material cost, and simple manufacturing
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[0040] figure 1 The structure of an acoustic sensor 10 , which is designed as a pot transducer, is schematically shown. The acoustic sensor comprises a membrane 12 which is produced from a fiber composite material, for example carbon fiber reinforced plastic. Membrane 12 is connected to piezoelectric actuator 16 , which transmits the electromechanical interaction of acoustic sensor 10 as a transducer element. Furthermore, piezo actuators 16 are connected via openings 13 to electronic adjustment and control elements, which are in figure 1 not shown in
[0041] In order to form the pot converter 10 , the sensor housing 14 is formed as a hollow body which is open at both end faces 13 , 15 . Here, an end face 15 of the hollow body 14 is connected to the membrane 12 . For example, the membrane 12 can be glued to the bearing surface 18 of the sensor housing or of the hollow body 14 . Furthermore, the surrounding side wall 17 of the sensor housing 14 includes two wall sections 2...
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