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Based on the piezoelectric effect of piezoelectric power generation technology research

Author: JiYuFang
Tutor: SunYunQiang
School: University of North
Course: Instrumentation Engineering
Keywords: Piezoelectric power generating Vibration Positive piezoelectric effect A piezoelectric vibrator Finite Element Analysis
CLC: TM61
Type: Master's thesis
Year: 2011
Downloads: 407
Quote: 2
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Abstract


As people 's needs and continuous electricity supply green energy growing awareness of the use of new piezoelectric materials piezoelectric power generation technology has become a hot research field . A piezoelectric material to deform to rely on external vibration and generation of energy saving material, the use of piezoelectric material of the piezoelectric power generating device is not only the structure is relatively simple, easy to heat , low cost , and to achieve miniaturization and integration the advantages of the structure . Piezoelectric material information from abroad found that many factors affect the power generation capacity , the paper is the use of piezoelectric ceramic piezoelectric effect exists to achieve the mechanical energy and electrical energy conversion , and the factors that can affect the simulation and experimental research . The main contents are as follows : 1. Through the piezoelectric oscillator and a variety of piezoelectric material characterization, based on the theory of positive piezoelectric effect , this paper choose a suitable piezoelectric generator of PZT-5H piezoelectric ceramic materials . (2) on the impact of the piezoelectric oscillator output power parameters of the structure and size , the support means , such as incentives for a simple introduction, describes the different shapes of vibration of a piezoelectric oscillator and power generation performance for the next analysis provides a correct theoretical guidance. 3 pairs of piezoelectric transducers generating performance through experiments and finite element analysis software to test . Experimental analysis of the generation of the piezoelectric vibrator impact factors such as different shapes, different support method , different load resistance, single and double type piezoelectric resonator chip connection mode of the output voltage are different. 4 In order to get a higher piezoelectric transducer generating capacity , the results of this study are summarized on the same time, further research work presents some visions and perspectives .

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