KR102564006B1 - 하이브리드 차량의 엔진클러치 누유 진단 방법 - Google Patents
하이브리드 차량의 엔진클러치 누유 진단 방법 Download PDFInfo
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- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/46—Series type
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Abstract
Description
도 2는 본 발명의 하이브리드 차량에 구비된 엔진클러치의 작동 구조를 도시하는 도면,
도 3은 본 발명의 하이브리드 차량에 구비된 엔진클러치의 유압 전달 과정을 도시하는 구조도,
도 4는 본 발명의 하이브리드 차량에 구비된 엔진클러치의 유압 액추에이터가 정상조건인 경우와 누유조건인 경우의 압력/변위 특성을 도시하는 그래프,
도 5는 본 발명의 하이브리드 차량의 엔진클러치 누유 진단 방법을 도시하는 흐름도,
도 6은 본 발명의 하이브리드 차량의 엔진클러치 누유 진단 방법에서 유압 액추에이터가 정상조건인 경우와 누유조건인 경우의 압력/변위 특성을 도시하는 그래프,
도 7은 본 발명의 하이브리드 차량의 엔진클러치 누유 진단 방법에서 다이어프램 스프링의 하중에 대한 변형량 특성을 도시하는 그래프,
도 8은 본 발명의 하이브리드 차량의 엔진클러치 누유 진단 방법에서 다이어프램 스프링의 변형 상태를 도시하는 도면,
도 9는 본 발명의 하이브리드 차량의 엔진클러치 누유 진단 방법에서 다이어프램 스프링이 정상조건인 경우의 변형 상태와 압력/변위 특성을 도시하는 도면,
도 10는 본 발명의 하이브리드 차량의 엔진클러치 누유 진단 방법에서 다이어프램 스프링이 누유조건인 경우의 변형 상태와 압력/변위 특성을 도시하는 도면.
Claims (7)
- 하이브리드 차량에서 엔진 시동 시 엔진과 모터를 연결 또는 연결해제시키는 엔진클러치에 구비된 유압 액추에이터가 작동되는 단계;
상기 유압 액추에이터에 구비되는 피스톤의 변위와, 변위별 압력을 확인하는 단계;
상기 확인된 변위와 변위별 압력을 통해 압력기울기를 계산하는 단계;
상기 계산된 상기 압력기울기를 통해 상기 엔진클러치가 누유인지 정상인지 판별하는 단계;를 포함하고,
상기 압력기울기는 하기의 수학식을 이용하여 계산되는 것을 특징으로 하는 하이브리드 차량의 엔진클러치 누유 진단 방법.
[수학식]
[Grad : 기울기(G), Pmax : 최대 압력(bar), Pend : 최대 변위에서의 압력(bar), L(Pmax) : Pmax에서의 변위(um), L(Pend) : Pend에서의 변위(um)]
- 청구항 1에 있어서,
상기 유압 액추에이터에 구비되는 피스톤의 변위와, 변위별 압력을 확인하는 단계는, 상기 유압 액추에이터의 작동에 따라 가변되는 상기 피스톤의 변위 이동을 확인하는 단계를 포함하는 것을 특징으로 하는 하이브리드 차량의 엔진클러치 누유 진단 방법.
- 청구항 2에 있어서,
상기 유압 액추에이터에 구비되는 피스톤의 변위와, 변위별 압력을 확인하는 단계는, 상기 피스톤의 변위 위치별 압력을 확인하는 단계를 더 포함하는 것을 특징으로 하는 하이브리드 차량의 엔진클러치 누유 진단 방법.
- 청구항 3에 있어서,
상기 유압 액추에이터에 구비되는 피스톤의 변위와, 변위별 압력을 확인하는 단계는, 상기 피스톤의 변위 위치에서 최대 압력 위치를 확인하는 단계; 상기 피스톤의 변위 위치에서 최대 변위의 압력을 확인하는 단계;를 포함하는 것을 특징으로 하는 하이브리드 차량의 엔진클러치 누유 진단 방법.
- 삭제
- 청구항 1에 있어서,
상기 계산된 상기 압력기울기를 통해 상기 엔진클러치가 누유인지 정상인지 판단하는 단계는 상기 계산된 압력기울기가 임계값 이상인 경우 누유로 판단하는 것을 특징으로 하는 하이브리드 차량의 엔진클러치 누유 진단 방법.
- 청구항 1에 있어서,
누유 판단 시 차량의 계기판에 상기 엔진클러치 누유 경고를 알리는 단계를 더 포함하는 것을 특징으로 하는 하이브리드 차량의 엔진클러치 누유 진단 방법.
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| KR1020160168784A KR102564006B1 (ko) | 2016-12-12 | 2016-12-12 | 하이브리드 차량의 엔진클러치 누유 진단 방법 |
| US15/603,883 US10521980B2 (en) | 2016-12-12 | 2017-05-24 | Method of diagnosing oil leak of engine clutch in hybrid electric vehicle |
| CN201710505416.2A CN108216207B (zh) | 2016-12-12 | 2017-06-28 | 诊断混合动力电动汽车中的发动机离合器的漏油的方法 |
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| CN109764823A (zh) * | 2019-03-13 | 2019-05-17 | 中国电建集团成都勘测设计研究院有限公司 | 用于混凝土面板堆石坝的变形监测系统及方法 |
| JP7310635B2 (ja) * | 2020-02-14 | 2023-07-19 | マツダ株式会社 | 摩擦締結要素の制御装置及び制御方法 |
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| US20120312080A1 (en) * | 2009-12-22 | 2012-12-13 | Mykhaylo Klymenko | Method and device for leak testing in an automated electrohydraulic clutch system in a motor vehicle |
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| KR20030038698A (ko) | 2001-06-13 | 2003-05-16 | 룩라멜렌운트쿠플룽스바우베타일리궁스카게 | 클러치 작동 장치 및 클러치 파라미터를 검출하는 방법 |
| JP3701662B2 (ja) * | 2004-02-18 | 2005-10-05 | 本田技研工業株式会社 | ハイブリッド車両の自動変速機制御装置 |
| EP1635071A2 (de) * | 2004-09-11 | 2006-03-15 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Hydraulisches System, insbesondere für Kraftfahrzeuge |
| DE102005012261A1 (de) * | 2005-03-17 | 2006-09-28 | Zf Friedrichshafen Ag | Verfahren und Vorrichtung zur Steuerung eines Kraftfahrzeug-Antriebsstranges |
| KR100844567B1 (ko) | 2007-07-24 | 2008-07-08 | 현대자동차주식회사 | 하이브리드 차량용 자동 변속기의 엔진 클러치 윤활 유량제어방법 |
| CN101412371B (zh) * | 2008-12-09 | 2012-02-15 | 瑞立集团瑞安汽车零部件有限公司 | 电子离合器控制系统 |
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| KR20180067263A (ko) | 2018-06-20 |
| US20180165896A1 (en) | 2018-06-14 |
| CN108216207A (zh) | 2018-06-29 |
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