JPS59103264U - Heating device for oxygen concentration detector - Google Patents

Heating device for oxygen concentration detector

Info

Publication number
JPS59103264U
JPS59103264U JP19559682U JP19559682U JPS59103264U JP S59103264 U JPS59103264 U JP S59103264U JP 19559682 U JP19559682 U JP 19559682U JP 19559682 U JP19559682 U JP 19559682U JP S59103264 U JPS59103264 U JP S59103264U
Authority
JP
Japan
Prior art keywords
oxygen concentration
concentration detector
heating device
decrease
utility
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP19559682U
Other languages
Japanese (ja)
Other versions
JPH0239250Y2 (en
Inventor
川口 政雄
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP19559682U priority Critical patent/JPS59103264U/en
Publication of JPS59103264U publication Critical patent/JPS59103264U/en
Application granted granted Critical
Publication of JPH0239250Y2 publication Critical patent/JPH0239250Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

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 the drawing]

第1図は本考案の実施例の構成図、第2図は空気過剰率
λと02センサの出力電圧との関係を示すグラフである
。 3・・・スロットル弁、13・・・アイドルスイッチ、
14・・・0゜センサ、19・・・ヒータ、28・・・
ピーク値検出器。
FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a graph showing the relationship between the excess air ratio λ and the output voltage of the 02 sensor. 3... Throttle valve, 13... Idle switch,
14...0° sensor, 19...heater, 28...
Peak value detector.

Claims (1)

【実用新案登録請求の範囲】 1 機関の排気系に設けられて排気中の酸素濃度を検出
する酸素濃度検出器の加熱装置において、アイドリング
期間でかつ酸素濃度検出器の出力が、酸素濃度検出器温
度が低くなっていることを示している期間では、酸素濃
度検出器を加熱することを特徴とする、酸素濃度検出器
の加熱装置。 2 酸素濃度検出器温度の低下を酸素濃度検出器の出力
振幅の減少あるいは混合気リッチ時の出力電圧の低下か
ら検出することを特徴とする、実用新案登録請求の範囲
第1項記載の加熱装置。 3 酸素濃度検出器温度の低下を酸素濃度検出器の出力
周波数の減少から検出することを特徴とする、実用新案
登録請求の範囲第1項記載の加熱装置。
[Scope of Claim for Utility Model Registration] 1. In a heating device for an oxygen concentration detector installed in the exhaust system of an engine to detect the oxygen concentration in the exhaust gas, the output of the oxygen concentration detector during the idling period is A heating device for an oxygen concentration detector, characterized in that the oxygen concentration detector is heated during a period when the temperature is low. 2. The heating device according to claim 1 of the utility model registration, characterized in that a decrease in the temperature of the oxygen concentration detector is detected from a decrease in the output amplitude of the oxygen concentration detector or a decrease in the output voltage when the mixture is rich. . 3. The heating device according to claim 1, which is a utility model and is characterized in that a decrease in oxygen concentration detector temperature is detected from a decrease in the output frequency of the oxygen concentration detector.
JP19559682U 1982-12-27 1982-12-27 Heating device for oxygen concentration detector Granted JPS59103264U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19559682U JPS59103264U (en) 1982-12-27 1982-12-27 Heating device for oxygen concentration detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19559682U JPS59103264U (en) 1982-12-27 1982-12-27 Heating device for oxygen concentration detector

Publications (2)

Publication Number Publication Date
JPS59103264U true JPS59103264U (en) 1984-07-11
JPH0239250Y2 JPH0239250Y2 (en) 1990-10-22

Family

ID=30419989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19559682U Granted JPS59103264U (en) 1982-12-27 1982-12-27 Heating device for oxygen concentration detector

Country Status (1)

Country Link
JP (1) JPS59103264U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007240169A (en) * 2006-03-06 2007-09-20 Mitsubishi Motors Corp Control device of heater for oxygen sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007240169A (en) * 2006-03-06 2007-09-20 Mitsubishi Motors Corp Control device of heater for oxygen sensor

Also Published As

Publication number Publication date
JPH0239250Y2 (en) 1990-10-22

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