On Energy Harvesting Characteristics of Cymbal Transducer

2013 ◽  
Vol 365-366 ◽  
pp. 1318-1323
Author(s):  
Yong Chao Chen ◽  
Min Gao ◽  
Wei Bo Yu ◽  
Lei Zhang
Keyword(s):  
Numerical Simulation ◽  
Energy Harvesting ◽  
Analytical Model ◽  
Energy Generation ◽  
Piezoelectric Constant ◽  
Cavity Bottom ◽  
Simulation Validation ◽  
Cymbal Transducer ◽  
Low Consumption

The energy-generating capability of a cymbal transducer was studied in order to supply the power of low-consumption electric products. An analytical model of the cymbal transducer was established by the hydrostatic piezoelectric constant method. The relation between the material of metal cap as well as the structure of transducer and energy generation were analyzed by numerical simulation. The simulation validation was done by the element software ANSYS. The results of the study show that, in the same force, the materials of metal cap, the radius of cavity bottom, and the thickness of metal cap have bigger influence on the voltage outputted, the radius of cavity top have less influence on the voltage outputted.

scholarly journals Simulation Analysis on Cymbal Transducer

2011 ◽  
Vol 2-3 ◽  
pp. 140-143
Author(s):  
Qing Feng Yang ◽  
Peng Wang ◽  
Yu Hong Wang ◽  
Kai Zhang
Keyword(s):  
Finite Element ◽  
Resonance Frequency ◽  
Piezoelectric Ceramic ◽  
Electromechanical Coupling ◽  
Free Field ◽  
Voltage Sensitivity ◽  
Element Analysis ◽  
Cavity Bottom ◽  
Finite Element Software ◽  
Cymbal Transducer

The resonance frequency of the cymbal transducer ranges from 2kHz to 40kHz and its effective electromechanical coupling factor is around 20%. Finite element analysis has been performed to ascertain how the transducer’s makeup affect the transducer’s performance parameters. Two-dimensional axisymmetric model of the cymbal transducer was founded by finite element software-ANSYS, the application of the element type was discussed and the FEM models were built up under the far field condition. Eight groups of cymbal transducers of resonance frequency around 3kHz with different structural dimensions were designed. It was better for choosing the cymbal transducer of the 8mm cavity coping diameter, 20.8mm cavity bottom diameter and 26.8mm piezoelectric ceramic wafer diameter than others for reducing distortion degree of the signal and improving communication turnover in the researched cymbal transducers. It was appropriate for choosing the cymbal transducer of the 8mm cavity coping diameter, 22.4mm cavity bottom diameter and 26.4mm piezoelectric ceramic wafer diameter in order to improve the free-field voltage sensitivity and transmission efficient.

Applications of Vibration-Based Energy Harvesting (VEH) Devices

2017 ◽  
pp. 989-1014
Author(s):  
Ooi Beng Lee ◽  
Thein Chung Ket ◽  
Yew Chun Keat ◽  
A. Rashid A. Aziz
Keyword(s):  
Energy Harvesting ◽  
Analytical Model ◽  
Electronic Devices ◽  
Modern Society ◽  
Vibration Energy ◽  
Vibration Energy Harvester ◽  
Mechanical Transducer ◽  
Alternative Power ◽  
Electronic Technologies ◽  
Electronic Sensors

This chapter reviews present usage of vibration-based energy harvesting (VEH) devices and applications. The evolution of energy resources and advance in electronic technologies has resulting the need of self-sustainable wireless/portable electronic devices in current modern society. Batteries are non-beneficial in the miniaturization process of electronic designing and alternative power supplies are desperately needed to fill in the falling behind technologies gap to drive the advance of the wireless/portable development further. VEH mechanism is suggested in this chapter as the solution for the bottleneck. Various consideration of creating an optimal vibration energy harvester are suggested through an analytical model of a mechanical transducer. Useful applications and usages of VEH are presented and some suggestion for improvement are also given. Lastly, the trend of energy harvesting is annotated and commented in-line with the demand of electronic sensors market.

scholarly journals Interface-induced enhancement of piezoelectricity in the (SrTiO3)m/(BaTiO3)M−m superlattice for energy harvesting applications

2019 ◽  
Vol 21 (42) ◽  
pp. 23541-23551 ◽  
Author(s):  
Guntars Zvejnieks ◽  
Leonid L. Rusevich ◽  
Denis Gryaznov ◽  
Eugene A. Kotomin
Keyword(s):  
Energy Harvesting ◽  
Fold Increase ◽  
Lead Free ◽  
Piezoelectric Constant

A six-fold increase of the e33 piezoelectric constant is theoretically predicted for a lead-free perovskite superlattice.

Optimizing Design of Piezoelectric Trimorph, as Positioning Element and Energy Harvesting Device

2015 ◽  
Vol 772 ◽  
pp. 125-129
Author(s):  
Cristian Necula ◽  
C. Daniel Comeagă ◽  
Octavian Donţu
Keyword(s):  
Energy Harvesting ◽  
Analytical Model ◽  
Composite Structure ◽  
Electronic Devices ◽  
Piezoelectric Composite ◽  
Fea Model ◽  
Environmental Friendly ◽  
Optimizing Design ◽  
Feasible Option ◽  
Mems Device

In future, demand on portable electronic devices will create the requirements of enduring recharged sources of power. A non-environmental friendly conventional battery with limited lifetimes has no longer feasible option. One of the mostly used solution is the piezoelectric composite structure with sensing and also actuating capabilities, mainly as a MEMS device. The optimum between actuating and energy harvesting functions is difficult to obtain. The article is presenting a study regarding the posibility to optimize both functions, performed using an analytical model and also by simulation using a FEA model.

Sign in / Sign up

Export Citation Format

Share Document