JPS59194060U - oxygen sensor - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の酸素センサの外観図、第２図は第１図
のＡ−Ａ線断面図、第３図は試験用保護管とした酸素セ
ンサの外観図、第４図は第３図のＢ−、−Ｂ線断面図、
第５図は試験用保護管の酸素センサ４と出力値との関係
図、第６図は本考案の酸素センサのへと出力値との関係
図である。 ２・・・栓体、３・・・センサ素子、５・・・外側保護
管（外管）、６・・・内側保護管（内管）、５１．５２
・・・ガス導入孔。Fig. 1 is an external view of the oxygen sensor of the present invention, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, Fig. 3 is an external view of the oxygen sensor used as a protective tube for testing, and Fig. 4 is an external view of the oxygen sensor of the present invention. B-, -B line sectional view of the figure,
FIG. 5 is a diagram showing the relationship between the oxygen sensor 4 of the test protective tube and the output value, and FIG. 6 is a diagram showing the relationship between the output value and the oxygen sensor of the present invention. 2... Plug body, 3... Sensor element, 5... Outer protection tube (outer tube), 6... Inner protection tube (inner tube), 51.52
...Gas introduction hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 板状固体電解質の両面に多孔質電極を形成した２枚の素
子を三方を開口した微小間隙を置いて平行に固定し１枚
の素子は酸素ポンプ素子とし他方の素子は酸素濃淡電池
素子としたセンサの測定雰囲気中におく素子の電極部を
包囲するようにして収納する保護管にガス導入孔を前記
収納したセンサ素子の端位置に続く先端側に円周方向に
複数個と先端面に１個を開口配設したことを特徴とする
酸素センサ。Two elements with porous electrodes formed on both sides of a plate-shaped solid electrolyte were fixed in parallel with a small gap open on three sides, and one element was used as an oxygen pump element and the other element as an oxygen concentration battery element. A plurality of gas inlet holes are provided in a circumferential direction on the tip side following the end position of the sensor element housed in a protective tube that is housed so as to surround the electrode part of the element placed in the measurement atmosphere of the sensor, and one on the tip surface. An oxygen sensor characterized by having a plurality of oxygen sensors arranged in an open manner.