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针对植入式心脏起搏器电池供能时间有限的缺点和电磁感应无线供能在实际应用上的不足,提出了谐振式无线能量传输技术,介绍了植入式心脏起搏器谐振式无线能量传输系统的工作原理,基于磁耦合谐振原理和电路互感计算模型,建立了植入式心脏起搏器的谐振式无线能量传输系统数学模型,引入了空心线圈互感计算的精确公式,分析了轴向距离、径向偏移和线圈半径对系统传输性能的影响,这些结果对于合理设计心脏起搏器的无线能量耦合参数和优化系统传输性能提供了重要理论指导和参考。
In order to overcome the shortcomings of battery powered time of implanted pacemaker battery and the shortage of electromagnetic induction wireless power supply in practical application, a resonant wireless energy transfer technology is presented. The implanted pacemaker resonant wireless energy Based on the principle of magnetic coupling resonance and the circuit mutual inductance calculation model, a mathematical model of the resonant wireless energy transmission system of implanted pacemaker was established. The precise formula of mutual inductance calculation of the air-core coil was introduced. Distance, radial offset and coil radius on transmission performance of the system. These results provide important theoretical guidance and reference for the rational design of wireless energy coupling parameters of cardiac pacemaker and the optimization of system transmission performance.