KR102217930B1 - 하이브리드 차량 - Google Patents
하이브리드 차량 Download PDFInfo
- Publication number
- KR102217930B1 KR102217930B1 KR1020190012369A KR20190012369A KR102217930B1 KR 102217930 B1 KR102217930 B1 KR 102217930B1 KR 1020190012369 A KR1020190012369 A KR 1020190012369A KR 20190012369 A KR20190012369 A KR 20190012369A KR 102217930 B1 KR102217930 B1 KR 102217930B1
- Authority
- KR
- South Korea
- Prior art keywords
- temperature
- cooling water
- water
- engine
- heat exchanger
- 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.)
- Expired - Fee Related
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- 230000001629 suppression Effects 0.000 claims abstract description 49
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 230000007423 decrease Effects 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
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Images
Classifications
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- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/33—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage controlling the temperature of the recirculated gases
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- F02B29/0493—Controlling the air charge temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0418—Air humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/0065—Specific aspects of external EGR control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits specially adapted for starting of engines
- F02N11/0814—Circuits specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
-
- 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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- 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
-
- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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Abstract
Description
도 1은 본 발명의 실시형태 1과 관련되는 하이브리드 차량의 하이브리드 시스템의 구성을 나타내는 도이다.
도 2는 충분한 난기(暖氣) 후에 엔진이 휴지되었을 경우의 기온과 가스 온도와 IC 냉각수 온도의 사이의 온도 관계를 나타내는 도이다.
도 3은 도 2에 나타내는 온도 관계 하에서의 응축수 억제 제어에 대해서 설명하는 도이다.
도 4는 난기가 불충분한 상태에서 엔진이 휴지되었을 경우의 기온과 가스 온도와 IC 냉각수 온도의 사이의 온도 관계를 나타내는 도이다.
도 5는 도 4에 나타내는 온도 관계 하에서의 응축수 억제 제어에 대해서 설명하는 도이다.
도 6은 본 발명의 실시형태 1과 관련되는 응축수 억제 제어의 플로우 차트이다.
도 7은 인터 쿨러에 있어서의 외기와 IC 냉각수의 사이의 열교환량과 차속의 관계를 나타내는 도이다.
도 8은 IC 냉각수 온도의 시간에 따른 변화와 차속의 관계를 나타내는 도이다.
도 9는 인터 쿨러에 있어서의 외기와 IC 냉각수의 사이의 열교환량과 모터 출력의 관계를 나타내는 도이다.
도 10은 본 발명의 실시형태 3와 관련되는 응축수 억제 제어의 플로우 차트이다.
도 11은 본 발명의 실시형태 3와 관련되는 응축수 억제 제어의 제어 결과의 일례를 나타내는 도이다.
도 12는 본 발명의 실시형태 4와 관련되는 엔진 및 인터 쿨러의 냉각 시스템의 구성과 통상 운전 시의 냉각수의 흐름을 나타내는 도이다.
도 13은 본 발명의 실시형태 4와 관련되는 엔진 및 인터 쿨러의 냉각 시스템의 구성과 엔진 휴지 시의 냉각수의 흐름을 나타내는 도이다.
도 14는 본 발명의 실시형태 4와 관련되는 응축수 억제 제어의 플로우 차트이다.
Claims (8)
- 하이브리드 차량에 있어서,
EGR 장치를 구비한 엔진(4);
모터(6,8);
제어장치(100)를 구비하고,
상기 엔진(4)은, EGR 가스가 도입되는 흡기 통로(30)의 EGR 가스 도입부(58)보다도 하류측에 있어서 상기 흡기 통로(30)를 흐르는 가스와 열교환하는 수냉식 열교환기(60)를 가지고,
상기 제어장치(100)는, 상기 엔진(4)을 휴지시키면서의 상기 하이브리드 차량의 주행 중, 상기 수냉식 열교환기(60)에서 열교환되는 가스의 온도와 상기 수냉식 열교환기(60)에 공급하는 냉각수의 온도를 비교하고, 상기 수냉식 열교환기(60)에서 열교환되는 가스의 온도보다도 높은 온도의 냉각수를 상기 수냉식 열교환기(60)에 공급하는 응축수 억제 제어를 실행하도록 프로그램되어 있는 하이브리드 차량. - 제 1 항에 있어서,
상기 제어장치(100)는, 상기 응축수 억제 제어의 실행 시, 상기 수냉식 열교환기(60)에서 열교환에 이용되는 냉각수의 온도인 냉각수 온도와, 상기 수냉식 열교환기(60)에서 열교환되는 가스의 온도인 가스 온도를 각각 취득하고, 상기 냉각수 온도가 상기 가스 온도보다도 높은 경우에만, 상기 수냉식 열교환기(60)에의 냉각수의 공급을 실행하고, 상기 냉각수 온도가 상기 가스 온도 이하의 경우, 상기 수냉식 열교환기(60)에의 냉각수의 공급을 휴지하도록 구성되어 있는 하이브리드 차량. - 제 2 항에 있어서,
상기 제어장치(100)는, 상기 수냉식 열교환기(60)에서 열교환에 이용되는 냉각수의 온도를 온도센서로 계측하고, 상기 온도센서에 의한 계측으로 얻어진 계측값을 상기 하이브리드 차량의 차속 또는 당해 차속에 상관하는 물리량에 따라 보정하고, 상기 차속이 높을수록 낮아지는 값으로 보정된 상기 계측값을 상기 냉각수 온도로서 취득하도록 구성되어 있는 하이브리드 차량. - 제 2 항에 있어서,
상기 제어장치(100)는, 상기 수냉식 열교환기(60)에서 열교환에 이용되는 냉각수의 온도를 적어도 상기 엔진의 열발생량과, 외기 온도와, 상기 하이브리드 차량의 차속 또는 당해 차속에 상관하는 물리량을 파라미터로 하는 모델을 이용하여 추정하고, 상기 모델에 의해 추정된 추정값을 상기 냉각수 온도로서 취득하도록 구성되어 있는 하이브리드 차량. - 제 3 항 또는 제 4 항에 있어서,
상기 물리량은, 상기 모터(8)의 출력인 하이브리드 차량. - 제 2 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 제어장치(100)는, 상기 냉각수 온도와 상기 가스 온도의 온도차가 작아질수록 상기 수냉식 열교환기(60)에 공급하는 냉각수의 유량을 크게 하도록 구성되어 있는 하이브리드 차량. - 제 2 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 제어장치(100)는, 상기 가스 온도가 이슬점 온도까지 저하되었을 경우, 상기 수냉식 열교환기(60)에의 냉각수의 공급을 휴지하도록 구성되어 있는 하이브리드 차량. - 제 1 항에 있어서,
상기 수냉식 열교환기(60)는, 상기 엔진이 냉각수의 유로에 포함되지 않는 제 1 냉각수 회로와, 상기 엔진이 냉각수의 유로에 포함되는 제 2 냉각수 회로의 어느 일방에 선택적으로 접속되도록 구성되며,
상기 제어장치(100)는, 상기 엔진(4)의 운전 중, 상기 수냉식 열교환기(60)를 상기 제 1 냉각수 회로에 접속하고, 상기 응축수 억제 제어의 실행 시, 상기 수냉식 열교환기(60)를 상기 제 2 냉각수 회로에 접속하도록 구성되어 있는 하이브리드 차량.
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KR102347738B1 (ko) * | 2020-09-23 | 2022-01-07 | 현대자동차주식회사 | 하이브리드 엔진에서 응축수 분할 유입 제어 방법 |
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JP2014156804A (ja) * | 2013-02-15 | 2014-08-28 | Toyota Motor Corp | インタークーラの温度制御装置 |
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