风度轿车发动机爆震传感器检测气缸混合气燃烧过程中发动机的爆震情况,将缸体的振动转换为电信号送入发动机电控单元,用于点火系统的爆震控制。 一、传感器结构 爆震传感器安装于发动机气缸体上,通过压电元件检测发动机的爆震情况。爆震传感器,如图1所示。 二、控制电路 爆震传感器控制电路,如图2 Feng sedan engine knock sensor detects the combustion process of cylinder mixture engine knock, the vibration of the cylinder into electrical signals sent to the engine ECU, the ignition system for the detonation control. First, the sensor structure Knock sensor installed on the engine block, the engine through the piezoelectric components of the knock situation. Knock sensor, shown in Figure 1. Second, the control circuit Knock sensor control circuit, shown in Figure 2