铜-康铜微细热电偶制作新工艺  

A new manufacture process of Cu-CuNi fine thermocouple

作　　者：周艳[1] 孙兴华[1] 钱北行[1] 

机构地区：[1]北京卫星环境工程研究所,北京100094

出　　处：《航天器环境工程》2012年第1期66-68,共3页Spacecraft Environment Engineering

摘　　要：热电偶是航天器真空热试验中应用最广泛的温度传感器,它的制作工艺决定了其产品的质量和可靠性。文章以铜-康铜微细热电偶的制作工艺为例,提出并实现了一种在惰性气体保护条件下利用高压放电技术进行热电偶焊接制作的工艺方法。这种方法具有操作简单、成品率高的特点,极大提高了热电偶的制作效率,并且解决了热电偶制作过程中因氧化而引入第三种材质的问题。The thermocouple is the most widely used temperature sensor in the vacuum thermal tests of spacecraft.Its manufacturing process directly affects the product quality and reliability.Taking the manufacturing process of Cu-CuNi fine thermocouple as an example,this paper proposes and has realized a new method to complete the welding of thermocouple by the high-pressure discharge technique under the protection of inert gas.This method is characterized by easier operation and higher rate of acceptability,which greatly improves the efficiency of thermocouple＇s manufacturing.Besides,the problem of introducing another material during the manufacturing process is avoided.

关 键 词：铜-康铜热电偶 焊接工艺 真空热试验 温度测量 

分 类 号：TP212.11[自动化与计算机技术—检测技术与自动化装置]