Piezoelectric vibrator based on shear vibration and flexural vibration, flexural transducer and manufacturing method of flexural transducer
A piezoelectric vibrator and shear vibration technology, applied in the manufacture/assembly of piezoelectric/electrostrictive devices, piezoelectric/electrostrictive devices, piezoelectric/electrostrictive/magnetostrictive devices, etc. Solve problems such as the reduction of shear modulus, and achieve the effect of improving performance, improving operating distance, detection accuracy, and high-voltage electric constant.
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[0034] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described below through specific embodiments and accompanying drawings.
[0035] 1. Structure of piezoelectric vibrator based on shear vibration
[0036] The piezoelectric vibrator structure based on shear vibration and flexural vibration of the present invention is composed of active material, ie piezoelectric material, and passive material, ie non-piezoelectric material. Such asfigure 1 As shown, in this embodiment, the vibrator is composed of three parts: adjustable prestressed screw 1 , vibration transition bracket 2 , and flexural shell 3 , which are non-piezoelectric materials and piezoelectric materials, namely piezoelectric ceramics 4 . The piezoelectric ceramics polarized positively along the x-axis and the piezoelectric ceramics polarized negatively along the x-axis are alternately arranged and bonded along...
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