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1. 发明授权

US4284487A Oxygen analyzer probe 失效
标题翻译：氧分析仪探头
公开(公告)号：US4284487A
公开(公告)日：1981-08-18
申请号：US153004
申请日：1980-05-27
申请人： Lyle K. Barnes , Richard C. Barringer
发明人： Lyle K. Barnes , Richard C. Barringer
IPC分类号： G01N27/407 , G01N27/413 , G01N27/58
CPC分类号： G01N27/4075 , G01N27/4062 , H01R23/10
摘要： Disclosed is an oxygen analyzer probe for use in situ in the flue gas stream of a furnace of the type having a housing, a solid electrolytic oxygen sensor adjacent to one end of the housing and first and second noble metal leads connected to the sensor. The present invention includes a terminal block within the housing to which the noble metal leads are releasably connected. At the terminal block intermediate leads of a metal dissimilar to the noble metal lead are connected thereto. Since all connections between dissimilar metals are made at the terminal block and since all such connections are at approximately the same temperature, no unbalanced thermocouples are introduced into the electrical path from the sensor. In one embodiment, the intermediate leads are comprised of a nickel alloy and have sufficient rigidity to form the prongs of a male plug connector which prongs extend from the rear end of the housing. A female plug connector mates with the male connector for easy disassembly of the probe during maintenance thereof.
摘要翻译：公开了一种在具有壳体的炉子的烟气流中原位使用的氧分析器探头，邻近壳体的一端的固体电解氧传感器和连接到传感器的第一和第二贵金属引线。本发明包括壳体内的可释放地连接有贵金属引线的端子块。在端子块上，与贵金属引线不同的金属的中间引线与其连接。由于不同金属之间的所有连接都在端子块处进行，并且由于所有这些连接处于大致相同的温度，所以没有不平衡的热电偶被从传感器引入到电气路径中。在一个实施例中，中间导线由镍合金构成，并且具有足够的刚性以形成插头从插座的后端延伸的插头连接器的插脚。母插头连接器与阳连接器配合，以便在维护时易于拆卸探头。

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