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    • 3. 发明申请
    • METHOD FOR OPERATING A SOOT SENSOR
    • 一种用于操作传感器RUSS
    • WO2012080347A2
    • 2012-06-21
    • PCT/EP2011072778
    • 2011-12-14
    • CONTINENTAL AUTOMOTIVE GMBHANTE JOHANNESHERRMANN MARKUSOTT ANDREASREITMEIER WILLIBALDSCHAEDLICH DENNYWEIGL MANFREDWILDGEN ANDREAS
    • ANTE JOHANNESHERRMANN MARKUSOTT ANDREASREITMEIER WILLIBALDSCHAEDLICH DENNYWEIGL MANFREDWILDGEN ANDREAS
    • F01N9/00G01N15/06
    • G01N15/0656F01N9/002F01N2560/05Y02T10/47
    • The invention relates to a method for operating a soot sensor in the exhaust gas tract of an internal combustion engine. Said soot sensor comprises an inter-digital electrode structure to which a measurement voltage is applied. Soot particles from the exhaust gas flow deposit themselves on the inter-digital electrode structure and the measuring current flowing over the soot particles and the inter-digital electrode structure is evaluated as a measurement for the soot concentration of the soot sensor. Said soot sensor comprises a heating element for burning clean the inter-digital electrode structure. The aim of the invention is to provide a method for operating a soot sensor which has good measurement results, said soot sensor should have the shortest possible idle time. To this end, a point in time for burning clean the soot sensor is determined in accordance with the operational state of the internal combustion engine and then, the burning clean of the inter-digital electrode structure starts by heating the soot sensor by means of the heating element.
    • 本发明涉及一种用于在内燃发动机的排气系统中操作烟尘传感器,烟灰传感器具有交叉梳状电极结构,被施加的测量电压,其中沉积在叉指型电极结构的煤烟颗粒从废气流和流过所述烟尘颗粒电流和叉指式电极结构 测量电流被评价为烟灰传感器的煤烟荷载的测量值,并且其中所述烟灰传感器包括加热元件的叉指式电极结构的燃烧。 用于操作烟尘传感器,其提供良好的测量结果,其中所述烟灰传感器应具有最小可能的死区时间,在对内燃机的运转状态的依赖性提供一种方法,确定时间用于燃烧烟灰传感器,然后通过与加热烟尘传感器beginntdas叉指电极结构的自由燃烧 加热元件。