| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gas sensor enabling inspection of permeability during a manufacturing process, insulation properties, responsibility, sealing properties, etc, and having a high reliable structure to be easily assembled. <P>SOLUTION: The gas sensor includes an inspection unit 10 and an output extraction unit 20. The inspection unit 10 includes a concentration detection element 140 having electrodes 142 and 143 formed on the inside and the outside of a bottomed cylindrical solid electrolyte 141, a housing 150, output terminals 111 and 121, and a heater 100, The output extraction unit 20 includes at least signal lines 200 and 210, conduction lines 220 and 230, output take-out terminals 202 and 212, conduction terminals 221 and 231, an insulator 240, and a casing 260. In the insulator 240, the output terminals 111, 121 and the output extraction terminals 202, 212 sandwiching the base plate 104 of the heater 100 for insurance of the insulation, heater electrodes 101 and 102 and the conduction terminals 221 and 231 are caused to electrically conduct. The inspection unit 10 and the output extraction unit 20 are joined to each other by fitting-joining the boss 155 of the housing 150 and the tip of the casing 260 to each other. <P>COPYRIGHT: (C)2008,JPO&INPIT |
