关键词：传感器；微型电感线圈；金属碎片；碎片检测
摘 要：A micro inductance sensor model based on the software of Maxwell to detect the debris in oil is presented.The model is built to study the detecting performance of sensors with different turns and enwinding styles.It can be demonstrated that the planar coil with 15 turns has a better sensitivity to detecting metal debris with about 100 micro meters in size.The solenoid coil with 20 turns has a better performance to detect the micro metal debris.This simulation shows that the detecting performance of a sensor is related to its parameters such as the size,turns,style of enwinding.The optimization of coils for the detection of metal debris with 100 μm in size is presented at last.