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文章从气冷型高温传感器的冷却原理出发,分析了影响传感器外壳冷却效果的若干因素,重点研究了冷却气流压力变化对传感器外壳冷却效果以及对温度测量的影响。并通过在980℃和1 600℃试验环境下,对某气冷型高温传感器进行冷却气流压力变化试验,得到不同冷却气流压力下,传感器外壳温度变化和传感器测温结果,分析后得到该气冷型高温传感器在不同试验环境温度下最小的安全冷却气压力,以及冷却气压力与传感器测温结果的对应关系。
Based on the cooling principle of the air-cooled high temperature sensor, the paper analyzes several factors that affect the cooling effect of the sensor case, and focuses on the cooling effect of the sensor on the sensor shell and the influence on the temperature measurement. And under 980 ℃ and 1 600 ℃ test environment, a gas-cooled high-temperature sensor for cooling air pressure change test, get the pressure of different cooling air flow, the temperature of the sensor housing and the sensor temperature measurement results obtained after the air-cooled Type of high temperature sensor in different test environment temperature of the minimum safety cooling gas pressure, and cooling gas pressure sensor temperature measurement results.