KR970001878A - Catalyst converter replacement time warning device - Google Patents

Catalyst converter replacement time warning device Download PDF

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Publication number
KR970001878A
KR970001878A KR1019950017385A KR19950017385A KR970001878A KR 970001878 A KR970001878 A KR 970001878A KR 1019950017385 A KR1019950017385 A KR 1019950017385A KR 19950017385 A KR19950017385 A KR 19950017385A KR 970001878 A KR970001878 A KR 970001878A
Authority
KR
South Korea
Prior art keywords
exhaust gas
concentration
unit
catalytic converter
signal
Prior art date
Application number
KR1019950017385A
Other languages
Korean (ko)
Other versions
KR970002471B1 (en
Inventor
김인호
Original Assignee
김태구
대우자동차 주식회사
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.)
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Application filed by 김태구, 대우자동차 주식회사 filed Critical 김태구
Priority to KR1019950017385A priority Critical patent/KR970002471B1/en
Publication of KR970001878A publication Critical patent/KR970001878A/en
Application granted granted Critical
Publication of KR970002471B1 publication Critical patent/KR970002471B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

본 발명은 촉매컨버터를 통한 배출되는 배기가스의 농도가 미리 설정된 기준치 이상이 되면 촉매컨버터의 교환시기를 알리는 소정의 경고표시가 운전석 전면의 제어패널상에 디스플레이되도록 그 교환시기를 용이하게 알 수 있도록 한 촉매컨버터 교환시기경고장치를 제공하기 위한 것이다.According to the present invention, when the concentration of the exhaust gas discharged through the catalytic converter is greater than or equal to a predetermined reference value, a predetermined warning mark indicating the replacement time of the catalytic converter is displayed on the control panel in front of the driver's seat so that the replacement time can be easily understood. One catalytic converter replacement time warning device is provided.

광센서에 의한 광신호전송동작에 따라 촉매컨버터로부터 배출되는 배기가스의 농도를 감지하여 전기신호로 출력하는 배기가스 농도검출부(10)와, 상기 배기가스 농도검출부(10)로부터 출력되는 전기신호를 소정치 증폭시키는 증폭부(20), 상기 증폭부(20)에 의해 증폭된 아날로그 형태의 출력신호를 인식가능한 디지탈형태의 신호로 데이터변환하는 데이터변환부(30), 상기 데이터변환부(30)로부터의 출력신호와 미리 설정된 기준치 배기가스의 농도에 대응하는 전기신호를 비교인식하여 배기가스의 농도가 기준치를 초과하는 경우 촉매컨버터의 교체시기를 알려주는 경고표시가 디스플레이되도록 제어하는 제어부(40), 상기 제어부(40)의 제어하에 경고표시구동을 수행하는 표시구동부(50) 및, 상기 표시구동부(50)에 의해 운전석 전면제어패널상에 촉매컨버터의 교환시기에 대한 소정의 경고표시가 디스플레이되는 표시부(60)로 구성된 것이다.According to the optical signal transmission operation by the optical sensor, the exhaust gas concentration detection unit 10 for detecting the concentration of the exhaust gas discharged from the catalytic converter and outputting it as an electrical signal, and the electrical signal output from the exhaust gas concentration detection unit 10 An amplifying unit 20 for amplifying a predetermined value, a data converting unit 30 for converting data of an analog form amplified by the amplifying unit 20 into a recognizable digital form signal, and the data converting unit 30. Control unit 40 for controlling the display of the warning signal indicating when to replace the catalytic converter when the concentration of the exhaust gas exceeds the reference value by comparing the output signal from the electric signal corresponding to the concentration of the predetermined reference value exhaust gas from the control unit 40 A catalyst control unit is mounted on the front control panel of the driver's seat by the display driver 50 for performing warning display driving under the control of the controller 40 and the display driver 50. It is comprised of a display 60 that displays a predetermined warning for the replacement time of the emitter.

Description

촉매컨버터 교환시기경고장치Catalyst converter replacement time warning device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 촉매컨버터 교환시기경고장치를 설명하기 위한 블록구성도, 제3도는 제1도에 도시된 배기가스 농도검출부가 배기파이프내에 구성되는 일예를 나타내는 도면이다.FIG. 1 is a block diagram for explaining a catalyst converter replacement time warning device according to the present invention, and FIG. 3 is a diagram showing an example in which the exhaust gas concentration detection unit shown in FIG.

Claims (3)

광센서에 의한 광신호전송동작에 따라 촉매컨버터로부터 배출되는 배기가스의 농도를 감지하여 전기신호를출력하는 배기가스 농도검출부(10)와, 상기 배기가스 농도검출부(10)로부터 출력되는 전기신호를 소정치 증폭시키는 증폭부(20), 상기 증폭부(20)에 의해 증폭된 아날로그 형태의 출력신호를 인식가능한 디지털 형태의 신호로 데이터변환하는데이터변환부(30), 상기 데이터변환부(30)로부터의 출력신호와 미리 설정된 기준치 배기가스의 농도에 대응하는전기신호를 비교인식하여 배기가스의 농도가 기준치를 초과하는 경우 촉매컨버터의 교체시기를 알려주는 경고표시가 디스플레이되도록 제어하는 제어부(40), 상기 제어부(40)의 제어하에 경고표시구동을 수행하는 표시구동부(50) 및 상기 표시구동부(50)에 의해 운전석 전면제어패널상에 촉매컨버터의 교환시기에 대한 소정의 경고표시가 디스플레이되는 표시부(60)로 구성되는 것을 특징으로 하는 촉매컨버터교환시기경고장치.According to the optical signal transmission operation by the optical sensor, the exhaust gas concentration detection unit 10 for detecting the concentration of the exhaust gas discharged from the catalytic converter and outputting an electrical signal, and the electrical signal output from the exhaust gas concentration detection unit 10 An amplifying unit 20 for amplifying a predetermined value, a data converting unit 30 for converting an analog output signal amplified by the amplifying unit 20 into a recognizable digital signal, and the data converting unit 30. Control unit 40 for controlling the display of the warning signal indicating when to replace the catalytic converter when the concentration of the exhaust gas exceeds the reference value by comparing the output signal from the electric signal corresponding to the concentration of the preset reference value exhaust gas from the control unit 40 A catalyst converter is mounted on the front control panel of the driver's seat by the display driver 50 and the display driver 50 which perform warning display driving under the control of the controller 40. Catalytic converter replacement time alert device for being configured as a display unit 60 which displays a predetermined warning for the replacement time. 제1항에 있어서, 상기 배기가스 농도검출부(10)는 배기기관(11)내의 촉매컨버터(13)와 서브머플러(14)를매개하는 배기파이프의 소정부위에 위치하는 접속부재로서 설치되고, 배기가스의 농도를 검출하기 위한 소정의 광음 발광하는 발광소자(10a)와, 그 광신호를 수취하는 수광소자(10b)로 구성되어 상기 발광소자(10a)로부터 상기 수광소자(10b)로의 광신호의 전송동작이 용이하도록 상기 접속부재를 중심으로 상호 대칭적으로 적절한 부위에 밀착시켜 설치되도록 하고, 전송되는 광신호의 양에 따라 상기 접속부재를 통해 흐르는 배기가스의 농도를 측정하게 되는 것을 특징으로 하는 촉매컨버터 교환시기경고장치.The exhaust gas concentration detecting unit 10 is installed as a connecting member positioned at a predetermined portion of an exhaust pipe for mediating the catalytic converter 13 and the submuffler 14 in the exhaust pipe 11. A light emitting element 10a for detecting a predetermined concentration of gas, and a light receiving element 10b for receiving the light signal, the light signal being received from the light emitting element 10a to the light receiving element 10b. In order to facilitate the transmission operation is to be installed in close contact with each other symmetrically with respect to the appropriate portion, and to measure the concentration of the exhaust gas flowing through the connection member in accordance with the amount of the optical signal transmitted Catalyst converter replacement time warning device. 제1항에 있어서, 상기 제어부(40)는 배기가스 농도검출부의 광신호 전송동작에 의해 촉매컨버터로부터 배출되는 배기가스의 농도를 감지하여 기준치로 설정된 배기가스의 농도 이상이 되면, 상기 표시부(60)상에 촉매컨버터의 상태를 나타내는 표시동작이 수행되도록 상기 표시구동부(50)에 제어신호를 인가하는 것을 특징으로 하는 촉매컨버터 교환시기경고장치.The display unit 60 of claim 1, wherein the control unit 40 detects a concentration of the exhaust gas discharged from the catalytic converter by an optical signal transmission operation of the exhaust gas concentration detection unit, and when the concentration of the exhaust gas is equal to or greater than the reference gas level, the display unit 60. And a control signal is applied to the display driver (50) so that a display operation indicating the state of the catalytic converter is performed. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950017385A 1995-06-26 1995-06-26 Display divice for catalytic converter exchange time KR970002471B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950017385A KR970002471B1 (en) 1995-06-26 1995-06-26 Display divice for catalytic converter exchange time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950017385A KR970002471B1 (en) 1995-06-26 1995-06-26 Display divice for catalytic converter exchange time

Publications (2)

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KR970001878A true KR970001878A (en) 1997-01-24
KR970002471B1 KR970002471B1 (en) 1997-03-05

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KR1019950017385A KR970002471B1 (en) 1995-06-26 1995-06-26 Display divice for catalytic converter exchange time

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KR970002471B1 (en) 1997-03-05

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