برداشت انرژی از ماهیچه دیافراگم با استفاده از خاصیت پیزوالکتریکی
محورهای موضوعی : مهندسی الکترونیک
سپهر خلف زاده
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فرشاد پسران
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نبي اله شیری
3
1 - گروه مهندسی برق، واحد شیراز، دانشگاه آزاد اسلامی، شیراز، ایران
2 - دانشگاه آزاد اسلامی، واحد شیراز
3 - گروه مهندسی برق، واحد شیراز، دانشگاه آزاد اسلامی، شیراز، ایران
کلید واژه: دستگاه‌های کاشتنی, برداشت‌کننده انرژی, دیافراگم, تنفسی, پیزوالکتریک,
چکیده مقاله :
یکی از مهمترین کاربردهای بیوالکترونیک بهبود سلامت و افزایش طول عمر افراد از طریق دستگاه‌های قابل جای‌گذاری در بدن است. این نوع تجهیزات روز به روز اهمیت و کاربرد بیشتری پیدا می‌کنند. برای بهبود عملکرد این تجهیزات و افزایش طول عمرشان در داخل بدن، باید منبع انرژی پایداری داشته باشند. باتری‌ها هرچند قابلیت ذخیره کردن انرژی را دارند، اما با گذر زمان نیاز به تعویض دارند که باعث تحمیل جراحی مجدد و هزینه اضافی به بیمار می‌شود. تلاش‌های زیادی برای تامین این انرژی مورد نیاز از داخل بدن صورت گرفته است. در این مقاله روش جدیدی برای برداشت انرژی از حرکت انقباضی عضله دیافراگم ارائه شده است. در این روش از یک ساختار مکانیکی استفاده شده که انرژی حاصل از حرکت دیافراگم را از طریق فنر سیلیکونی به لایه پیزوالکتریک منتقل می‌کند. لایه پیزوالکتریک انرژی را به‌صورت الکتریکی در خود ذخیره می‌کند.
One of the most important applications of bioelectronics is to improve health and increase the lifespan of people through implantable devices. These types of equipment become more important and find more applications day-by-day. To improve the performance and lifetime of these equipment inside the body, they must have a stable energy supply. Batteries can save energy, but they must be replaced by passing the time, and this causes resurgery and extra costs for the patient. In this regard, many efforts have been made to supply this needed energy from inside the body. In this research, a new method for harvesting energy from the contraction movement of the diaphragm muscle is presented. In this method, a mechanical structure is used that transfers the energy from the diaphragm movement to the piezoelectric layer through a silicon spring. The piezoelectric layer stores the harvested energy in the electrical form.
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