本文叙述了双热电偶丝法的原理,传感器结构,实测结果分析及其修正,并与电阻丝法实测加以比较。热电偶丝法可得到同样满意的效果,并有它独特的优点。同时,还对不同规格的偶丝,如扁带、铠装热电偶进行实测,判明其热惯性的影响,初步探索了持续测量排气温度波传感器的可能性。 This paper describes the principle of double thermocouple wire method, the structure of the sensor, the analysis and correction of the measured results, and compared with the resistance wire method. Thermocouple wire method can be equally satisfactory results, and has its unique advantages. At the same time, different specifications of the wire, such as flat, armored thermocouple was also measured to determine the impact of thermal inertia, initially explored the possibility of continuous measurement of exhaust temperature sensor.