發(fā)布時(shí)間：2018-01-26 15:27

  本文關(guān)鍵詞： 海洋波動(dòng) 永磁振子 瞬態(tài)仿真 感應(yīng)電動(dòng)勢 能量采集電路　出處：《河北工業(yè)大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：傳統(tǒng)上對海洋發(fā)電的研究著重于海洋波浪發(fā)電站及大功率發(fā)電設(shè)備,本課題重點(diǎn)研究單元式供電系統(tǒng),向海洋氣象監(jiān)測設(shè)備及搭載的傳感器網(wǎng)絡(luò)提供電能,以解決化學(xué)電池供電壽命短暫、維護(hù)成本高諸多條件限制問題。課題使用稀土永磁材料釹鐵硼N38制作振子,根據(jù)線性波動(dòng)理論,以電磁感應(yīng)定律為基礎(chǔ),設(shè)計(jì)制作試驗(yàn)樣機(jī)并進(jìn)行測試研究。以海洋波動(dòng)理論及法拉第電磁感應(yīng)定律為基礎(chǔ),分析研制永磁式海洋波動(dòng)發(fā)電裝置,基于上述理論建立波動(dòng)發(fā)電裝置機(jī)電耦合模型,此模型較好地描述波動(dòng)發(fā)電裝置輸入輸出關(guān)系,同時(shí)也為模型設(shè)計(jì)仿真提供可靠的理論指導(dǎo)。利用有限元分析軟件對波動(dòng)發(fā)電裝置進(jìn)行靜態(tài)磁場仿真分析,以確定永磁振子的模型結(jié)構(gòu)參數(shù),根據(jù)仿真結(jié)果優(yōu)化感應(yīng)線圈的結(jié)構(gòu),通過磁場瞬態(tài)分析影響裝置波動(dòng)發(fā)電裝置輸出感應(yīng)電動(dòng)勢的若干個(gè)要素,分別為永磁振子振動(dòng)幅值、振動(dòng)頻率、線圈匝數(shù)及間距、磁路結(jié)構(gòu)等。研究傳統(tǒng)型能量采集電路性能,仿真結(jié)果表明輸出電壓與功率很大程度依賴于負(fù)載,改進(jìn)型能量采集電路加入了超級電容器儲能模塊與穩(wěn)壓電路模塊、開關(guān)控制電路、補(bǔ)充回路,通過對MOS開關(guān)實(shí)現(xiàn)準(zhǔn)確的開斷控制,實(shí)現(xiàn)微功耗電源的有效管理。設(shè)計(jì)制作波動(dòng)發(fā)電裝置樣機(jī),并對樣機(jī)的輸出感應(yīng)電動(dòng)勢進(jìn)行測試,在振幅±50mm、周期T=2s、線圈匝數(shù)400匝時(shí),感應(yīng)電動(dòng)勢峰值電壓可達(dá)7.857V,測試結(jié)果表明,與采用有限元分析軟件模型計(jì)算得到的數(shù)據(jù)相差0.231V,證明之前感應(yīng)電動(dòng)勢數(shù)學(xué)推導(dǎo)過程是正確的,同時(shí)也為永磁式海洋波動(dòng)發(fā)電裝置設(shè)計(jì)制作奠定科學(xué)的理論基礎(chǔ)。
[Abstract]:Traditionally, the research of ocean power generation focuses on the ocean wave power station and high-power power generation equipment. This topic focuses on the research of unit power supply system to provide electricity to marine meteorological monitoring equipment and sensor network. In order to solve the problem of short power supply life and high maintenance cost of chemical battery, we use NdFeB N38, a rare earth permanent magnet material, to make oscillator. According to the theory of linear wave, the problem is based on the law of electromagnetic induction. Based on ocean wave theory and Faraday's law of electromagnetic induction, a permanent magnet marine wave generator is developed. Based on the above theory, the electromechanical coupling model of fluctuating generator is established, which can describe the input and output relationship of fluctuating generator. At the same time, it also provides reliable theoretical guidance for model design and simulation. The static magnetic field simulation analysis of fluctuating power generation device is carried out by using finite element analysis software to determine the model structure parameters of permanent magnet oscillator. According to the simulation results, the structure of induction coil is optimized, and some factors which affect the output of induction electromotive force by transient magnetic field analysis are respectively permanent magnet vibration amplitude and vibration frequency. The performance of the traditional energy acquisition circuit is studied. The simulation results show that the output voltage and power depend heavily on the load. The improved energy acquisition circuit includes supercapacitor energy storage module and voltage stabilizing circuit module, switch control circuit, supplementary circuit, through the MOS switch to achieve accurate switching control. To realize the effective management of the micro-power power supply, the prototype of the fluctuating power generating device is designed and fabricated, and the output induced EMF of the prototype is tested at the amplitude 鹵50mm, the period T ~ (2) s, and the coil turn number 400 turns. The peak voltage of inductive electromotive force can reach 7.857V. the test results show that the difference is 0.231V with the data calculated by the finite element analysis software model. It is proved that the mathematical derivation process of induction electromotive force is correct, and it also lays a scientific theoretical foundation for the design and manufacture of permanent magnet marine wave generator.
【學(xué)位授予單位】：河北工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TM612

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相關(guān)碩士學(xué)位論文 前2條

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2 林晨寬;電磁式低頻振動(dòng)能量收集裝置的設(shè)計(jì)與研究[D];浙江工業(yè)大學(xué);2013年

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本文編號：1465952