The utility model relates to an engine speed detecting device, which comprises a speed measuring module and a vibration sensor inserted on a speed measuring module, wherein the cigarette wheel sensor or the ignition wire sensor is inserted on the speed measuring module. Because the utility model adopts the speed measurement module is inserted on the cigarette lighter sensor or / and ignition wire sensor, makes the detection device for vibration sensor based detection method which can be used for detection of the vibration sensor, sensor and any lighter ignition wire sensor one way (at the same time can only use one way). And through the circuit automatic identification measurement method used, without artificial selection, convenient operation, fast detection speed, but also greatly improves the accuracy and convenience of the engine speed measurement, which can meet the detection of gasoline engine, and can meet the detection of diesel engine, and low production cost, wide application range.
【技术实现步骤摘要】
【技术保护点】
１．一种发动机转速检测装置，包括转速测量模块（１）及插接在转速测量模块上的振动传感器（２），其特征在于所述转速测量模块（１）上还可插接有点烟器传感器（３）或／和点火线传感器（４）。
【技术特征摘要】
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