体外能量发射装置是胶囊内窥镜无线供能系统中很重要的一部分.为了使胶囊内窥镜获得较稳定能量,同时研究传输效率和人体安全性与谐振频率的关系,设计了一种可在人体消化道区域内产生均匀交变电磁场、谐振频率在10～400 kHz范围内调节的体外能量发射装置.根据无线供能系统的要求设计了该装置的发射线圈、驱动电路,并实际搭建了整个装置.实际使用验证了该能量发射装置设计的可行性,并取得了较好的效果.

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