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                      HOME>>Product>>>> PA1-UNI-1

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                      PA1-UNI-1

                      氧传感器

                      氧传感器是排气氧传感器(Exhaust Gas Oxygen Sensor, EGO)的简称,其功用是通过监测排气中氧离子的含量来获得混合气的空燃比信号,并将该信号转变为电信号输入ECU。ECU根据氧传感器信号,对喷油时间进行修正,实现空燃比反馈控制(闭环控制),从而将过量空气系数(λ)控制在0.98~1.02之间(空燃比A/F “Air Fuel Ratio”约为14.7),使发动机得到最佳浓度的混合气,从而达到降低有害气体的排放量和节约燃油之目的。

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