KR20120111654A - Apparatus of engine oil warmup using exhaust thermal energy - Google Patents

Apparatus of engine oil warmup using exhaust thermal energy Download PDF

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KR20120111654A
KR20120111654A KR1020110030275A KR20110030275A KR20120111654A KR 20120111654 A KR20120111654 A KR 20120111654A KR 1020110030275 A KR1020110030275 A KR 1020110030275A KR 20110030275 A KR20110030275 A KR 20110030275A KR 20120111654 A KR20120111654 A KR 20120111654A
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South Korea
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oil
engine
heat exchanger
cooling water
engine oil
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KR1020110030275A
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Korean (ko)
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KR101253653B1 (en
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허형석
이헌균
이동혁
배석정
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자동차부품연구원
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
    • F01M5/021—Conditioning lubricant for aiding engine starting, e.g. heating by heating
    • 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
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • 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
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: A device for warming up engine oil with exhaust heat is provided to improve fuel efficiency by reducing a warm-up time as cooling water heated by exhaust heat warms up the engine oil. CONSTITUTION: A device for warming up engine oil with exhaust heat comprises a first heat exchanger(110) and a second heat exchanger(120). The first heat exchanger is supplied with cooling water, and discharge cooling water heated by exhaust heat. The first heat exchanger heats the cooling water in a cold coolant line(111) by the exhaust heat discharged from an engine block. The first heat exchanger discharges the cooling water heated by a hot coolant line(112). The second heat exchanger warms up the engine oil by the cooling water heated in the first heat exchanger.

Description

배기열을 이용한 엔진오일 웜업장치{Apparatus of engine oil warmup using exhaust thermal energy}Apparatus of engine oil warmup using exhaust thermal energy}

본 발명은 엔진오일 웜업장치에 관한 것으로, 냉간 시동시 배기가스열 에너지에 의해 가열된 냉각수가 오일팬의 엔진오일을 가열하여 웜업시간을 단축하는 배기열을 이용한 엔진오일 웜업장치에 관한 것이다.The present invention relates to an engine oil warm-up apparatus, and relates to an engine oil warm-up apparatus using exhaust heat for cooling water heated by exhaust gas heat energy during cold start to heat engine oil of an oil pan to shorten the warm-up time.

일반적으로, 엔진은 다수의 마찰부품이 상호 유기적으로 결합되어 구동하면서 동력을 발생시키도록 구성되어 있으며, 각 마찰부품의 원활한 동작을 위해 윤활기능의 오일이 각 부품으로 공급되고 있다.In general, the engine is configured to generate power while driving a plurality of friction parts are organically coupled to each other, the oil of lubrication function is supplied to each part for smooth operation of each friction part.

이러한 오일의 공급은 오일팬에 저장된 오일을 오일펌프로 펌핑 순환시켜 공급한다.This supply of oil is supplied by pumping the oil stored in the oil pan into the oil pump.

종래, 냉간 시동시 엔진 오일의 온도가 낮으면 엔진오일 점도가 높아 마찰에 의한 손실이 커져 차량의 연비를 악화시키는 주 요인이 되는 문제가 있다.Conventionally, when the temperature of the engine oil during cold start is low, the engine oil viscosity is high and the loss caused by friction is increased, which causes a problem of deteriorating fuel efficiency of the vehicle.

그리고 냉간 시동 초기에 저온 상태의 오일이 펌핑되어 엔진 내부를 순환하면서 엔진의 웜업시간을 지연시키는 문제가 있다.In addition, there is a problem of delaying the warm-up time of the engine while circulating the inside of the engine due to the low temperature oil being pumped at the initial cold start.

본 발명은 상기와 같은 종래의 문제점을 해결하기 위하여 제안된 것으로, 엔진 오일 팬 내에 열교환기를 구성하고 배기열로부터 가열된 냉각수를 유입하여 엔진오일을 직접적으로 가열함으로써, 엔진오일을 효과적으로 웜업할 수 있도록 하는데 있다.The present invention has been proposed in order to solve the above-described problems, and by constructing a heat exchanger in the engine oil fan and flowing the cooling water from the exhaust heat to directly heat the engine oil, it is possible to effectively warm up the engine oil have.

본 발명은 배기열 에너지에 의해 가열된 냉각수가 오일팬의 엔진오일을 웜업(가열)함으로써 엔진오일의 점도가 정상화되는 웜업시간을 단축하여 차량의 연비를 개선하도록 하는데 있다.The present invention is to improve the fuel economy of the vehicle by shortening the warm-up time by which the viscosity of the engine oil is normalized by heating the coolant heated by the exhaust heat energy to warm up the engine oil of the oil pan.

본 발명은, 엔진 냉각 출력라인으로부터 들어오는 냉각수를 공급받고, 배출되는 배기가스의 배기열에 의해 가열되는 냉각수를 배출하는 제1 열교환부(110); 및 상기 제1 열교환부로부터 가열된 냉각수를 공급받아 오일팬의 엔진오일을 웜업하는 제2 열교환부(120);를 포함하여 구성되는 것을 특징으로 한다.The present invention comprises: a first heat exchanger (110) receiving coolant coming from an engine cooling output line and discharging coolant heated by exhaust heat of exhaust gas discharged; And a second heat exchanger 120 receiving warm water from the first heat exchanger and warming up the engine oil of the oil pan.

본 발명에 따르면, 배기열에 의해 가열된 고온의 냉각수를 엔진 오일 워머로 유입하여 엔진오일을 가열함으로써, 엔진오일의 빠른 웜업을 가능하게 하여 오일 점도의 정상화 시간을 단축하여 차량의 연비를 개선하는데 효과가 있고, 엔진오일의 빠른 웜업에 의해 엔진의 각 마찰부품으로 양질의 오일이 공급되므로 마찰부품의 마모율이 감소하여 엔진의 수명이 연장될 수 있도록 하는 효과가 있다.According to the present invention, by introducing a high temperature cooling water heated by the exhaust heat into the engine oil warmer to heat the engine oil, it is possible to quickly warm up the engine oil to shorten the normalization time of the oil viscosity to improve the fuel economy of the vehicle In addition, since high-quality oil is supplied to each friction part of the engine by rapid warm-up of the engine oil, the wear rate of the friction part is reduced, so that the life of the engine can be extended.

도 1은 본 발명의 일실시예에 따른 배기열을 이용한 엔진오일 웜업장치에 대한 구성도.
도 2 내지 도 4는 본 발명의 일실시예에 따른 엔진오일 워머에 대한 예시도.1 is a block diagram of an engine oil warm-up apparatus using exhaust heat according to an embodiment of the present invention.
2 to 4 is an exemplary view of an engine oil warmer according to an embodiment of the present invention.

본 발명의 일실시예에 따른 배기열을 이용한 엔진오일 웜업장치는, 배기열에 의해 냉각수가 웜업되는 제1 열교환부(110), 웜업된 냉각수에 의해 오일팬의 엔진오일을 웜업하는 제2 열교환부(120)를 포함하여 구성된다.Engine oil warm-up apparatus using exhaust heat according to an embodiment of the present invention, the first heat exchange unit 110, the coolant is warmed up by the exhaust heat, the second heat exchange unit for warming up the engine oil of the oil pan by the warmed-up cooling water ( 120).

우선, 제1 열교환부(110)는 엔진 냉각 출력라인(Coolant Outlet)으로부터 들어오는 콜드쿨런트(Cold Coolant)라인(111)의 냉각수를 엔진블럭으로부터 배출되는 고온의 배기가스를 이용하여 가열하고, 핫쿨런트(Hot Coolant) 라인(112)을 통해 고온의 냉각수를 배출하여 제2 열교환부(120)로 제공하는 기능을 수행한다. First, the first heat exchanger 110 heats the coolant of the cold coolant line 111 coming from the engine coolant outlet 111 using high temperature exhaust gas discharged from the engine block, and hot cools the hot water. A hot coolant is discharged through the hot coolant line 112 to provide the second heat exchanger 120.

그리고 제1 열교환부(110)는, 핫쿨런트 라인(112)으로부터 배기가스를 이용하여 가열된 냉각수를 분기파이프를 거쳐 엔진블럭(1)으로 제공하는 엔진블럭 유입라인(113)과, 가열된 냉각수를 제2 열교환부(120)로 제공하는 웜업 유입라인(114)을 포함하여 구성된다.The first heat exchange part 110 includes an engine block inflow line 113 for supplying the cooling water heated from the hot coolant line 112 using exhaust gas to the engine block 1 through a branch pipe, and the heated cooling water. It is configured to include a warm-up inlet line 114 to provide a second heat exchange unit (120).

여기서 제1 열교환부(110)는 배기열 회수 장치(Exhaust Heat Recovery Device)로서, 배기열에 의해 가열된 고온의 냉각수를 분기파이프를 통해 엔진 오일 워머와 엔진블럭 유입라인(리턴라인)으로 유입하여 엔진오일을 가열하는 기능을 수행한다.Here, the first heat exchange part 110 is an exhaust heat recovery device, and the engine oil warmer and the engine block inflow line (return line) are introduced into the engine oil warmer and the engine block inlet line (return line) through the branch pipe by the high temperature cooling water heated by the exhaust heat. Performs the function of heating.

즉, 배기열에 의해 가열된 고온의 냉각수를 엔진오일 워머와 엔진블럭으로 유입하여 직접적으로 가열하는 구조로 엔진오일을 효과적으로 웜업할 수 있는 효과가 있다.That is, the high temperature cooling water heated by the exhaust heat flows directly into the engine oil warmer and the engine block to directly heat the engine oil.

다음으로 제2 열교환부(120)는, 제1 열교환부로부터 웜업 유입라인(114)를 통해 웜업(가열)된 냉각수를 공급받는 엔진오일 워머(121)를 포함한다. 이러한 엔진오일 워머(121)는 웜업된 냉각수에 의해 오일팬의 엔진오일을 웜업하고, 웜업 배출라인(122)을 통해 냉각라인(2)으로 냉각수를 배출하는 구성요소이다.Next, the second heat exchanger 120 includes an engine oil warmer 121 that receives coolant that is warmed up (heated) through the warm-up inflow line 114 from the first heat exchanger. The engine oil warmer 121 is a component that warms up the engine oil of the oil pan by the warmed-up cooling water and discharges the cooling water to the cooling line 2 through the warm-up discharge line 122.

여기서 제2 열교환부(120)의 엔진오일 워머(121)는, 제1 열교환부를 통해 웜업(가열)된 냉각수에 의해 오일팬의 엔진오일을 웜업하는 기능을 수행하는데, 그 내부 형상은 단순 파이프 형상으로부터 열교환 효율을 향상하기 위한 형상으로 구성할 수 있으며, 본 실시예에 따른 제2 열교환부의 내부 형상은 도 2 내지 도 4에 도시된 바와 같이 구성된다.Here, the engine oil warmer 121 of the second heat exchanger 120 performs a function of warming up the engine oil of the oil pan by the coolant warmed up (heated) through the first heat exchanger. It can be configured in a shape for improving the heat exchange efficiency, the internal shape of the second heat exchanger according to the present embodiment is configured as shown in Figs.

본 실시예에 따른 제2 열교환부의 엔진오일 워머(Engine Oil Warmer)는 도 2 내지 도 4에 도시된 바와 같이, 나선형(spiral) 형상, 미앤더 형상, 또는 Fin 파이프 형상 등 열교환 효율을 향상하기 위한 다양한 형상으로 구성될 수 있음은 물론이다.As shown in FIGS. 2 to 4, the engine oil warmer of the second heat exchange part according to the present embodiment is for improving heat exchange efficiency, such as a spiral shape, a meander shape, or a fin pipe shape. Of course, it can be configured in a variety of shapes.

이러한 제2 열교환부(120)는 오일팬에 있는 오일을 빨아 올려 기관의 각 운동부분에 압송하는 오일펌프(123), 상기 오일펌프에 연결되어 엔진에서 발생한 쇳가루나 연소에 의해 발생한 카본 등을 여과시키는 오일필터(미도시,124), 그리고 오일펌프에 흡입하는 오일 속에 함유된 입자가 굵은 이물질을 제거하는 오일 스트레이너(Oil Strainer)(125)를 포함한다.
The second heat exchanger 120 sucks up the oil in the oil pan and pumps the oil to each moving part of the engine, and filters the carbon generated by the dust or combustion generated from the engine by being connected to the oil pump. The oil filter (not shown, 124), and the oil strainer (Oil Strainer) 125 for removing the coarse foreign particles contained in the oil sucked into the oil pump.

본 실시예에 따른 배기열을 이용한 엔진오일 웜업장치의 동작을 설명하면 다음과 같다.Referring to the operation of the engine oil warm-up apparatus using the exhaust heat according to the embodiment as follows.

엔진 냉각 출력라인(Coolant Outlet)으로부터 연결되는 콜드쿨런트(Cold Coolant)라인(111)의 냉각수를 엔진블럭(1)으로부터 배출되는 고온의 배기가스를 이용하여 가열하고, 핫쿨런트 라인(112)을 통해 고온의 냉각수를 배출한다. The coolant of the cold coolant line 111 connected to the engine coolant outlet 111 is heated using hot exhaust gas discharged from the engine block 1, and the hot coolant line 112 is heated. Through the discharge of hot water.

배출된 고온의 냉각수는 분기파이프를 통해 엔진블럭 유입라인(113)으로 엔진블럭에 제공하고, 웜업 유입라인(114)으로 제2 열교환부(120)에 고온의 냉각수를 제공한다.The discharged high temperature coolant is provided to the engine block through the branch pipe to the engine block inlet line 113, and provides a high temperature coolant to the second heat exchange unit 120 through the warm up inlet line 114.

다음으로 웜업 유입라인(114)을 통해 유입된 고온의 냉각수를 엔진오일 워머로 공급받아 오일팬의 엔진오일을 웜업하고, 웜업 배출라인(122)을 통해 냉각라인(2)으로 냉각수를 배출하게 된다. 여기서 냉각라인(2)으로 냉각된 냉각수는 다시 엔진블럭을 거쳐 콜드쿨런트(Cold Coolant)라인(111)을 통해 제1 열교환기(110)로 재순환된다.Next, the high temperature cooling water introduced through the warm-up inflow line 114 is supplied to the engine oil warmer to warm up the engine oil of the oil pan, and the cooling water is discharged to the cooling line 2 through the warm-up discharge line 122. . Here, the coolant cooled by the cooling line 2 is recycled to the first heat exchanger 110 through the cold coolant line 111 through the engine block again.

본 발명의 일실시예에 따르면, 배기열에 의해 가열된 고온의 냉각수를 엔진 오일 워머로 유입하여 엔진오일을 가열함으로써, 엔진오일의 빠른 웜업을 가능하게 하여 오일 점도의 정상화 시간을 단축하여 차량의 연비를 개선하는데 효과가 있다.According to an embodiment of the present invention, by heating the engine oil by introducing a high temperature cooling water heated by the exhaust heat into the engine oil warmer, it is possible to quickly warm up the engine oil to shorten the normalization time of the oil viscosity to reduce the fuel economy of the vehicle It is effective to improve.

그리고 엔진오일의 빠른 웜업에 의해 엔진의 각 마찰부품으로 양질의 오일이 공급되므로 마찰부품의 마모율이 감소하여 엔진의 수명이 연장될 수 있도록 하는 효과가 있다.In addition, since high-quality oil is supplied to each friction part of the engine by rapid warm-up of the engine oil, the wear rate of the friction part is reduced, so that the life of the engine can be extended.

110 : 제1 열교환부
111 : 콜드쿨런트 라인
112 : 핫쿨런트 라인
113 : 엔진블럭 유입라인
114 : 웜업 유입라인
120 : 제2 열교환부
121 : 엔진오일 워머
122 : 웜업 배출라인
123 : 오일펌프
125 : 오일 스트레이너
1 : 엔진블럭
2 : 냉각라인110: first heat exchanger
111: cold coolant line
112: hot coolant line
113: engine block inflow line
114: warm up inflow line
120: second heat exchanger
121: engine oil warmer
122: warm-up discharge line
123: oil pump
125: oil strainer
1: engine block
2: cooling line

Claims (6)

엔진 냉각 출력라인으로부터 들어오는 냉각수를 공급받고, 배출되는 배기가스의 배기열에 의해 가열되는 냉각수를 배출하는 제1 열교환부(110); 및
상기 제1 열교환부로부터 가열된 냉각수를 공급받아 오일팬의 엔진오일을 웜업하는 제2 열교환부(120);를 포함하여 구성되는 것을 특징으로 하는 배기열을 이용한 엔진오일 웜업장치.A first heat exchanger 110 receiving coolant coming from an engine cooling output line and discharging the coolant heated by the exhaust heat of the discharged exhaust gas; And
And a second heat exchanger (120) for warming up the engine oil of the oil pan by receiving the cooling water heated from the first heat exchanger (120). 제 1 항에 있어서,
상기 제1 열교환부(110)는,
엔진 냉각 출력라인으로부터 들어오는 콜드쿨런트 라인(111)의 냉각수를 엔진블럭으로부터 배출되는 배기가스의 배기열을 이용하여 가열하고, 핫쿨런트 라인(112)을 통해 가열된 냉각수를 배출하는 것을 특징으로 하는 배기열을 이용한 엔진오일 웜업장치.The method of claim 1,
The first heat exchanger 110,
Exhaust heat characterized in that the cooling water of the cold coolant line 111 coming from the engine cooling output line is heated using the exhaust heat of the exhaust gas discharged from the engine block, and the heated coolant is discharged through the hot coolant line 112. Engine oil warm-up device using. 제 1 항에 있어서,
상기 제1 열교환부(110)는,
상기 배기가스의 배기열을 이용하여 가열된 냉각수를 엔진블럭(1)으로 제공하는 엔진블럭 유입라인(113); 및
상기 가열된 냉각수를 제2 열교환부(120)로 제공하는 웜업 유입라인(114);을 포함하는 것을 특징으로 하는 배기열을 이용한 엔진오일 웜업장치.The method of claim 1,
The first heat exchanger 110,
An engine block inlet line 113 for supplying the cooling water heated to the engine block 1 by using the exhaust heat of the exhaust gas; And
And a warm-up inlet line (114) for providing the heated cooling water to the second heat exchange part (120). 제 1 항에 있어서,
상기 제2 열교환부(120)는,
상기 제1 열교환부로부터 공급받는 가열된 냉각수에 의해 오일팬의 엔진오일을 웜업하고, 웜업 배출라인(122)을 통해 냉각라인(2)으로 냉각수를 배출하는 엔진오일 워머(121);를 포함하는 것을 특징으로 하는 배기열을 이용한 엔진오일 웜업장치.The method of claim 1,
The second heat exchanger 120,
And engine oil warmer 121 for warming up the engine oil of the oil pan by the heated cooling water supplied from the first heat exchanger and discharging the cooling water to the cooling line 2 through the warm-up discharge line 122. Engine oil warm-up device using the exhaust heat, characterized in that. 제 4 항에 있어서,
상기 엔진오일 워머(121)는,
상기 오일팬의 엔진오일을 웜업하는 파이프 형상이 나선형(spiral) 형상, 미앤더(meander) 형상, Fin 파이프 형상 중, 어느 하나인 것을 특징으로 하는 배기열을 이용한 엔진오일 웜업장치.The method of claim 4, wherein
The engine oil warmer 121,
An engine oil warm-up device using exhaust heat, wherein the pipe shape for warming up the engine oil of the oil pan is any one of a spiral shape, a meander shape, and a fin pipe shape. 제 1 항에 있어서,
상기 제2 열교환부(120)는,
오일팬에 있는 오일을 빨아올려 기관의 각 운동부분에 압송하는 오일펌프(123);
상기 오일펌프에 연결되어 엔진에서 발생한 쇳가루 또는 연소에 의해 발생한 카본을 여과시키는 오일필터(124); 및
상기 오일펌프에 흡입하는 오일속에 함유된 이물질을 제거하는 오일 스트레이너(125);를 포함하는 것을 특징으로 하는 배기열을 이용한 엔진오일 웜업장치.The method of claim 1,
The second heat exchanger 120,
An oil pump 123 for sucking up the oil in the oil pan and pumping the oil to each moving part of the engine;
An oil filter 124 connected to the oil pump to filter carbon generated by dust or combustion generated from an engine; And
Engine oil warm-up device using an exhaust heat comprising a; oil strainer (125) for removing foreign matter contained in the oil sucked into the oil pump.
KR1020110030275A 2011-04-01 2011-04-01 Apparatus of engine oil warmup using exhaust thermal energy KR101253653B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104389663A (en) * 2014-10-31 2015-03-04 湖州三井低温设备有限公司 Flue gas recovering vaporizer
CN104533670A (en) * 2014-12-17 2015-04-22 南京航空航天大学 Heating unit and heating method for two-stroke piston engine crankcase
CN116006316A (en) * 2023-01-02 2023-04-25 重庆长安汽车股份有限公司 Hydrogen engine system and vehicle based on waste heat utilization

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10205319A (en) * 1997-01-22 1998-08-04 Hitachi Constr Mach Co Ltd Engine oil pan heating device of construction machine
JP2004132294A (en) * 2002-10-11 2004-04-30 Toyota Motor Corp Method and device for circulating and feeding oil for vehicle
JP2004257266A (en) * 2003-02-24 2004-09-16 Toyota Motor Corp Temperature control device of vehicle drive line
JP2005256704A (en) * 2004-03-11 2005-09-22 Toyota Motor Corp Lubricating device for internal combustion engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104389663A (en) * 2014-10-31 2015-03-04 湖州三井低温设备有限公司 Flue gas recovering vaporizer
CN104533670A (en) * 2014-12-17 2015-04-22 南京航空航天大学 Heating unit and heating method for two-stroke piston engine crankcase
CN116006316A (en) * 2023-01-02 2023-04-25 重庆长安汽车股份有限公司 Hydrogen engine system and vehicle based on waste heat utilization
CN116006316B (en) * 2023-01-02 2024-05-14 重庆长安汽车股份有限公司 Hydrogen engine system and vehicle based on waste heat utilization

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