爆燃传感器（Knock Sensor)又称“爆震传感器”（爆震，即是发动机抖动）。用来检测汽车发动机缸体爆燃强度。一旦爆燃出现则通知ECU延迟点火并转入点火定时的闭环控制，以便调整点火时刻。 有磁致伸缩式，与压电式之分
右爆燃传感器 right hand detonation sensor
爆燃传感器线束 detonation sensor harness
左区爆燃传感器 left bank detonation sensor
右侧爆燃传感器连接器 rhds connector
左侧爆燃传感器连接器 lhds connector
运用该系统测量的乙炔与氧气混合气从爆燃到爆震转捩的距离，其结果与采用高频响的压力传感器系统的测量结果一致。
In this paper, the DDT distances of acetylene and oxygen mixture were measured with this system, and the results were consistent with that of high frequency pressure transducers.
试验表明，火花塞光纤传感器完全可用于爆燃测量。
The use of the spark plug sensor is proved to be feasible in knock combustion detection.
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