大功率植入器件經(jīng)皮傳能系統(tǒng)的溫度場
發(fā)布時(shí)間:2018-06-05 11:28
本文選題:植入器件 + 經(jīng)皮變壓器。 參考:《科學(xué)技術(shù)與工程》2017年29期
【摘要】:依據(jù)經(jīng)皮能量傳輸理論,在罐狀變壓器的基礎(chǔ)上利用有限元軟件的磁路耦合功能進(jìn)行仿真,從而計(jì)算經(jīng)皮變壓器鐵芯和線圈的損耗和體積生熱率。通過電磁場、流固場、溫度場的多物理場耦合,對變壓器進(jìn)行溫度場分析;提出通過監(jiān)測次級線圈的溫升值進(jìn)而調(diào)整初級線圈的輸入功率來實(shí)現(xiàn)穩(wěn)定植入器件的吸收功率的方法,使植入器件功率穩(wěn)定在32 W左右,大大提高了系統(tǒng)的穩(wěn)定性和可靠性。
[Abstract]:Based on the theory of transdermal energy transfer, the magnetic circuit coupling function of finite element software is used to simulate the transdermal transformer based on the theory of transdermal energy transfer, so as to calculate the loss and volumetric heat generation rate of the core and coil of the transdermal transformer. Through the coupling of electromagnetic field, fluid-solid field and temperature field, the temperature field of transformer is analyzed. A method of stabilizing the absorption power of the implanted device by monitoring the temperature appreciation of the secondary coil and adjusting the input power of the primary coil is proposed. The power of the implanted device is stabilized at about 32 W, which greatly improves the stability and reliability of the system.
【作者單位】: 河北工業(yè)大學(xué)電氣工程學(xué)院;
【基金】:河北省科技計(jì)劃(16211828) 河北省高等學(xué)?茖W(xué)技術(shù)研究項(xiàng)目(QN20151111)資助
【分類號】:TM41
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