Electromagnetic Effect Of Electric Vehicle Wireless Charging System On Implantable Medical Equipment

Under the concept of green and low-carbon,electric vehicles are undergoing large-scale development.The corresponding wireless charging technology is constantly innovating and improving,helping to promote the operation of wireless charging stations.The accompanying electromagnetic environmental issues are receiving increasing attention.When wireless charging of electric vehicles transmits energy,electromagnetic leakage inevitably occurs in space,causing electromagnetic disturbance to the surrounding environment and potentially affecting the normal activities of nearby personnel.This article conducts the following research on the electromagnetic effects of electric vehicle wireless charging systems on implantable medical devices in the human body.(1)Analyze the electromagnetic environmental standards for wireless charging at home and abroad,as well as the electromagnetic standards for implantable medical devices.(2)Based on wireless energy transmission technology,simulate and build a wireless charging system for electric vehicles,and analyze the electromagnetic distribution in different application scenarios.Build a wireless charging system simulation system in the laboratory and measure the magnetic field distribution of the wireless energy transmission mechanism in the pilot.(3)Investigate the working principle of cardiac pacemakers,extract electromagnetic and structural parameters,construct a human heart pacemaker model,and establish an electromagnetic comprehensive model that includes electric vehicle wireless charging system,human body,and cardiac pacemaker.Simulate the magnetic induction intensity on the surface of a cardiac pacemaker under five comprehensive application scenarios and compare it with the standard limit values.Simulate the perception circuit voltage of three different types of pacemakers,compare it with the perception threshold,and analyze the influencing factors.(4)Build a wireless charging artificial cochlear model and simulate the interference of electric vehicle wireless charging on the signal transmission circuit of the artificial cochlear.