KR970065096A - Vehicle speed sensor fault detection device and determination method thereof - Google Patents

Vehicle speed sensor fault detection device and determination method thereof Download PDF

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Publication number
KR970065096A
KR970065096A KR1019960009299A KR19960009299A KR970065096A KR 970065096 A KR970065096 A KR 970065096A KR 1019960009299 A KR1019960009299 A KR 1019960009299A KR 19960009299 A KR19960009299 A KR 19960009299A KR 970065096 A KR970065096 A KR 970065096A
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KR
South Korea
Prior art keywords
vehicle speed
speed sensor
failure
determination
sensor
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KR1019960009299A
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Korean (ko)
Inventor
정훈
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김영귀
기아자동차 주식회사
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Application filed by 김영귀, 기아자동차 주식회사 filed Critical 김영귀
Priority to KR1019960009299A priority Critical patent/KR970065096A/en
Publication of KR970065096A publication Critical patent/KR970065096A/en

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Abstract

본 발명은 차속센서의 고장 여부를 각종 감지센서의 출력값은 통해 논리판정하여 감지하도록 하는 차속센서 고장 감지장치 및 그 판단방법에 관한 것으로, 변속기 케이스에 장착되어 차량의 속도를 감지하는 차속센서와, 기어의 변속단 위치를 감지하는 변속감지센서와, 엔진회전수를 감지하는 엔진회전감지센서와, 배터리의 방전량을 감지하는 배터리감지센서와, 상기 감지센서로부터 입력된 신호를 근거로 차속센서의 고장여부를 판단하여 고장일 경우 소정의 제어신호를 출력하는 마이컴과, 상기 마이컴에 의해 차속센서가 고장으로 판정될 경우 소정 시간동안 시간을 계수하는 시간계수수단과, 고장으로 판정된 시점에서 일정시간이 경과할 경우 상기 마이컴에서 출력되는 제어신호에 의해 차속센서가 고장임을 외부에 알리는 표시수단으로 구성되며; 기어가 변속된 상태에서 현재 엔진의 회전수가 설정된 회전수보다 많을 경우 차속센서 고장여부를 감지하기 위한 판정이 허가되는 판정초기단계와; 상기 판정초기단계에서 고장여부예 대해 판정이 허여된 상태에서 엔진부하가 설정된 기준부하값 보다 높고, 현재차속이 판정 기준속도보다 낮을 경우 고장으로 판정하는 고장판단단계와; 고장으로 판정된 상태에서 일정시간이 경과하여 표시램프를 통해 차속센서의 고장임을 알리는 고장표시단계;를 수행한다.The present invention relates to a vehicle speed sensor failure detecting apparatus and method for determining whether a failure of a vehicle speed sensor has a logic value through an output value of various sensors and detecting the vehicle speed sensor. The vehicle speed sensor includes a vehicle speed sensor mounted on a transmission case, A sensor for detecting the rotational speed of the gear, an engine rotation sensor for sensing the rotational speed of the engine, a battery detection sensor for detecting the amount of discharged battery, and a vehicle speed sensor A time counting means for counting a time for a predetermined time when the vehicle speed sensor is determined to be faulty by the microcomputer; The control signal outputted from the microcomputer is displayed as a display means for informing the outside that the vehicle speed sensor is out of order ; A determination initial stage in which a determination is made to detect whether the vehicle speed sensor fails if the number of revolutions of the current engine is greater than a predetermined number of revolutions in a state in which the gear is shifted; A failure determination step of determining that a failure occurs when the engine load is higher than a reference load value that is set in a state where determination of whether or not a failure has occurred in the determination initial stage and the current vehicle speed is lower than a determination reference speed; And a failure display step of notifying that the vehicle speed sensor has failed through a display lamp after a predetermined time has elapsed in a state of being determined as a failure.

Description

차속센서 고장 감지장치 및 그 판단방법Vehicle speed sensor fault detection device and determination method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제l도는 본 발명 차속센서 고장감지장치의 전기적인 연결구성을 보인 블럭회로도, 제2도는 본 발명의 차속센서 고장판정방법을 설명하기 위한 플로우차트도.FIG. 1 is a block circuit diagram showing an electrical connection structure of a vehicle speed sensor failure detecting device of the present invention. FIG. 2 is a flowchart for explaining a vehicle speed sensor failure determining method of the present invention.

Claims (2)

변속기 케이스에 장착되어 차량의 속도를 감지하는 차속센서와, 기어의 변속단 위치를 감지하는 변속감지 수단과, 엔진회전수를 감지하는 엔진회전감지수단과, 배터리의 방전량을 감지하는 배터리강지센서와, 상기 감지센서로부터 입력된 신호를 근거로 차속센서의 고장여부를 판단하여 고장일 경우 소정의 제어신호를 출력하는 마이컴과, 상기 마이컴에 의해 차속센서가 고장으로 판정될 경우 소정 시간동안 시간을 계수하는 시간계수수단과, 고장으로 판정된 시점에서 일정시간이 경과할 경우 상기 마이컴에서 출력되는 제어신호에 의해 차속센서가 고장임을 외부에 알리는 표시수단으로 구성됨을 특징으로 하는 차속센서 고장 감지장치.A vehicle speed sensor mounted on the transmission case for sensing the speed of the vehicle, a shift sensing means for sensing a gear position of the gear, an engine rotation sensing means for sensing the engine speed, A microcomputer for determining whether the vehicle speed sensor is faulty based on a signal input from the detection sensor and outputting a predetermined control signal when the vehicle speed sensor fails; And a display means for informing the outside of the vehicle speed sensor that the vehicle speed sensor is out of order by a control signal output from the microcomputer when a predetermined time has elapsed after a failure is determined. 차속센서 고장판단 방법에 있어서, 기어가 변속된 상태에서 현재 엔진의 회전수가 설정된 회전수보다 많을 경우 차속센서 고장여부를 감지하기 위한 판정이 허가되는 판정초기단계와; 상기 판정초기단계에서 고장 여부에 대해 판정이 허여된 상태에서 엔진부하가 설정된 기준부하값 보다 높고, 현재차속이 판정 기준속도보다낮을 경우 고장으로 판정하는 고장판단단계와; 고장으로 판정된 상태에서 일정시간이 경과하여 표시램프를 통해 차속센서의 고장임을 알리는 고장표시단계;를 수행함을 특징으로 하는 차속센서 고장판단방법.A method for determining a failure of a vehicle speed sensor, the method comprising: a determination initial stage in which a determination is made to detect whether a vehicle speed sensor fails if the number of revolutions of the current engine is greater than a predetermined number of revolutions in a state in which the gear is shifted; A failure determination step of determining a failure when the engine load is higher than a reference load value that is set in a state where a determination is made as to whether or not a failure has occurred in the determination initial stage and the current vehicle speed is lower than a determination reference speed; And a failure display step of informing that the vehicle speed sensor has failed through a display lamp after a predetermined time has elapsed in a state of being determined as a failure. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960009299A 1996-03-29 1996-03-29 Vehicle speed sensor fault detection device and determination method thereof KR970065096A (en)

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KR1019960009299A KR970065096A (en) 1996-03-29 1996-03-29 Vehicle speed sensor fault detection device and determination method thereof

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KR1019960009299A KR970065096A (en) 1996-03-29 1996-03-29 Vehicle speed sensor fault detection device and determination method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100767074B1 (en) * 2004-01-19 2007-10-15 도요다 지도샤 가부시끼가이샤 Failure sensing device of vehicle control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100767074B1 (en) * 2004-01-19 2007-10-15 도요다 지도샤 가부시끼가이샤 Failure sensing device of vehicle control system
US7630800B2 (en) 2004-01-19 2009-12-08 Toyota Jidosha Kabushiki Kaisha Failure sensing device of vehicle control system

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